Lucent Technologies Network Router 7820 0657 001 User Manual

DSLPipe DSU (SDSL)  
User’s Guide  
Part Number: 7820-0657-001  
For software version 7.0.0  
October 1999  
 
Customer Service  
Customer Service  
Customer Service provides a variety of options for obtaining information about  
Lucent products and services, software upgrades, and technical assistance.  
Finding information and software on the Internet  
Visit the Web site at http://www.ascend.comfor technical information,  
product information, and descriptions of available services.  
Visit the FTP site at ftp.ascend.comfor software upgrades, release notes, and  
addenda to this manual.  
Obtaining technical assistance  
You can obtain technical assistance by telephone, email, fax, modem, or regular mail,  
as well as over the Internet.  
Enabling Lucent to assist you  
If you need to contact Lucent for help with a problem, make sure that you have the  
following information when you call or that you include it in your correspondence:  
Product name and model.  
Software and hardware options.  
Software version.  
Type of computer you are using.  
Description of the problem.  
Calling Lucent from within the United States  
In the U.S., you can take advantage of Priority Technical Assistance or you can call to  
request assistance.  
DSLPipe DSU (SDSL) User’s Guide  
iii  
 
 
Customer Service  
Priority Technical Assistance  
If you need to talk to an engineer right away, call (900) 555-2763 to reach the Priority  
Call queue. The charge of $2.95 per minute does not begin to accrue until you are  
connected to an engineer. Average wait times are less than three minutes.  
Other telephone numbers  
For a menu of Lucent’s services, call (800) 272-3634). Or call (510) 769-6001 for an  
operator.  
Calling Lucent from outside the United States  
You can contact Lucent by telephone from outside the United States at one of the  
following numbers:  
Telephone outside the United States  
(510) 769-8027  
Austria/Germany/Switzerland  
(+33) 492 96 5672  
(+33) 492 96 5674  
(+33) 492 96 5673  
(+33) 492 96 5676  
(+81) 3 5325 7397  
(+33) 492 96 5679  
(+33) 492 96 5677  
(+33) 492 96 5675  
(+33) 492 96 5671  
Benelux  
France  
Italy  
Japan  
Middle East/Africa  
Scandinavia  
Spain/Portugal  
UK  
For the Asia Pacific Region, you can find additional support resources at  
Obtaining assistance through correspondence  
Lucent maintains two email addresses for technical support questions. One is for  
customers in the United States, and the other is for customers in Europe, the Middle  
East, and Asia. If you prefer to correspond by fax, BBS, or regular mail, please direct  
iv  
DSLPipe DSU (SDSL) User’s Guide  
 
Important safety instructions  
your inquiry to Lucent’s U.S. offices. Following are the ways in which you can reach  
Customer Service:  
Email from within the U.S.—[email protected]  
Email from Europe, the Middle East, or Asia—[email protected]  
Fax—(510) 814-2312  
Customer Support BBS (by modem)—(510) 814-2302  
Write to Lucent at the following address:  
Attn: Customer Service  
Lucent Technologies  
1701 Harbor Bay Parkway  
Alameda, CA 94502-3002  
Important safety instructions  
A. GENERAL  
1
2
Read and follow all warning notices and instructions marked on the product or  
included in the manual.  
There are no operator serviceable parts within the unit. Refer all servicing to  
trained service personnel.  
3
4
Product installation should be performed by trained service personnel only.  
Install only in restricted-access areas in accordance with UL1950, C22.2 No. 950,  
and IEC60950  
5
6
The maximum recommended operating ambient is 104° F (40° C). Allow  
sufficient air circulation or space between units when installed in a closed or  
multiple-rack assembly.  
Slots and openings in the cabinet are provided for ventilation. To ensure reliable  
operation of the product and to protect it from overheating, these slots and  
openings must not be blocked or covered. Installation without sufficient airflow  
can be unsafe.  
7
Equipment mounted in a rack should be distributed to prevent a possible  
hazardous condition due to uneven loading. The rack should safely support the  
combined weight of all equipment. This product weighs XX lb. (XX kg).  
DSLPipe DSU (SDSL) User’s Guide  
v
 
 
Important safety instructions  
8
9
The power source has to be adequately rated to assure safe operation of the  
equipment. The building installation and/or power source must provide overload  
protection.  
Protective earth (PE) connection is essential to ensure safe operation before  
connecting to the power supply and telecommunication network. Do not defeat  
the purpose of the grounding-type plug by modifying the plug or using an  
adapter. Use an outlet tester or a voltmeter to check the ac receptacle for the  
presence of earth ground. If the receptacle is not properly grounded, the  
installation must not procede until a qualified electrician has corrected the  
problem.  
If the power supply is fed from a power source with no protective-earthing path  
(such as in certain Nordic countries), connect an earth-grounded copper wire to  
the dedicated wiring terminal marked with  
(PE symbol) on the chassis. The  
minimum size of the wire for a DSLPipe V.35 unit with rated input current not  
exceeding 6A is AWG 18 and cross-sectional area 0.75 mm2.  
Models with ac power inputs are intended for use with a single-phase three-wire  
power cord (which includes earthing conductor).  
For models with dc power inputs, the protective earth connection must be  
established by using the dedicated earthing terminal marked with the PE symbol  
or, if provided, the earthing pin of the input terminal block.  
10 Models with dc power inputs must be connected to a -48V dc supply source that  
is electrically isolated from the ac source in accordance with UL1950, C22.2 No.  
950, and IEC60950.  
11 For products installed in Nordic countries (except Central Office equipment), a  
type B plug or permanent connection must be used for connections to the main  
power supply.  
12 Before installing wires to the dc power terminal block, verify that these wires are  
not connected to any power source. Installing live wires (that is, wires connected  
to a power source) is hazardous.  
13 Do not allow anything to rest on the power cord, and do not locate the product  
where people will walk on the power cord.  
14 Do not attempt to service this product yourself. Opening or removing covers can  
expose you to dangerous high voltage points or other risks. Refer all servicing to  
qualified service personnel.  
15 General purpose cables are provided with this product. Special cables, which  
might be required by the regulatory inspection authority for the installation site,  
are the responsibility of the customer.  
vi  
DSLPipe DSU (SDSL) User’s Guide  
 
Important safety instructions  
16 When installed in the final configuration, the product must comply with the  
applicable safety standards and regulatory requirements of the country in which it  
is installed. If necessary, consult with the appropriate regulatory agencies and  
inspection authorities to ensure compliance.  
17 A rare phenomenon can create a voltage potential between the earth grounds of  
two or more buildings. If products installed in separate buildings are  
interconnected, the voltage potential might cause a hazardous condition. Consult  
a qualified electrical consultant to determine whether or not this phenomenon  
exists.  
In addition, if the equipment is to be used with telecommunications circuits, take the  
following precautions:  
Never install telephone wiring during a lightning storm.  
Never install telephone jacks in wet locations unless the jack is specifically  
designed for wet locations.  
Never touch uninsulated telephone wires or terminals unless the telephone line  
has been disconnected at the network interface.  
Use caution when installing or modifying telephone lines.  
Avoid using equipment connected to telephone lines (other than a cordless  
telephone) during an electrical storm. There is a remote risk of electric shock  
from lightning.  
Do not use a telephone or other equipment connected to telephone lines to report  
a gas leak in the vicinity of the leak.  
Warning: To reduce the risk of fire, communication cable conductors must be 26  
!
!
!
AWG (0.13 mm2) or larger.  
Avertissement: Afin de réduire les risques d'incendie, les fils conducteurs du câble  
de communication doivent être d'un calibre minimum de 26 AWG (American Wire  
Gauge), c'est-à-dire d'un minimum de 0,13 mm².  
Warnung:  
Um Feuer-Risiko zu reduzieren, müsssen die Querschnitte der Kom-  
munikationskabel-Leiter 0,13 mm² oder größer sein.  
B. SPECIAL REQUIREMENTS  
18 Lithium batteries:  
DSLPipe DSU (SDSL) User’s Guide  
vii  
 
Important safety instructions  
Warning: The battery can explode if incorrectly replaced. Replace the battery  
only with the same or equivalent type recommended by the manufacturer.  
Dispose of used batteries according to the manufacturer’s instructions.  
!
!
!
Avertissement: Il y a danger d'explosion si la batterie n'est pas remplacée  
correctement. Remplacer uniquement avec une batterie du même type ou d'un  
type recommandé par le fabricant. Mettre au rebut les batteries usagées  
conformément aux instructions du fabricant.  
Warnung: Die Batterie kann eventuell explodieren, wenn sie nicht  
ordnungsgemäß ausgetauscht wird. Ersetzen Sie die Batterie nur mit einer  
Batterie des gleichen oder eines ähnlichen vom Hersteller empfohlenen Typs.  
Entsorgen Sie gebrauchte Batterien gemäß den Anweisungen des Herstellers.  
19 Mains Disconnect (no power switch):  
Caution: The power supply cord is used as the main disconnect device. Make  
sure that the outlet socket is located/installed near the equipment and is easily  
accessible.  
!
!
!
Attention: Le cordon d'alimentation est utilisé comme interrupteur général. La  
prise de courant doit être située ou installée à proximité du matériel et être facile  
d'accès.  
Vorsicht: Zur sicheren Trennung des Gerätes vom Netz muß der Netzstecker  
gezogen werden. Stellen Sie sicher, daß sich die Steckdose in der Nähe des  
Gerätes befindet und leicht zugänglich ist.  
viii  
DSLPipe DSU (SDSL) User’s Guide  
 
Important safety instructions ............................................................................. v  
Introduction................................................................... 1-1  
Setting up the DSLPipe DSU ........................................................................ 2-2  
Viewing configuration information ............................. 3-1  
Connecting serial cable and setting up communications software................ 3-1  
Viewing configuration information............................................................... 3-3  
Viewing diagnostic information.................................................................... 3-5  
Hardware Specifications.............................................. A-1  
Warranties and FCC Regulations................................ B-1  
DSLPipe DSU (SDSL) User’s Guide  
ix  
 
 
Introduction  
DSLPipe DSU features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2  
DSLPipe DSU configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2  
DSLPipe DSU architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3  
The DSLPipe DSU (SDSL) is a modem that allows you to send data across two  
dissimilar devices. The unit converts data to an SDSL format and sends it to the  
destination device.You can use the unit for high-speed symmetrical data  
transmission (from 144 Kbps to 2320 Kbps) on a single copper twisted-pair wire.  
Note: You cannot use a DSLPipe DSU for channelized services such as voice  
transmission.  
The DSLPipe DSU uses 2B1Q line encoding with echo cancellation to transfer at  
a high data rate. It also provides high immunity to background noise. The size of  
the wire, in part, determines the maximum transmission rate and distance, as  
shown in Table 1-1.  
Table 1-1. DSLPipe DSU transmission rate  
Wire gauge Data Transmission Rate (in Kbps) Distance (in feet)  
24  
24  
2320  
768  
12,100  
17,700  
26  
26  
2320  
768  
9,300  
13,700  
DSLPipe DSU (SDSL) User’s Guide  
1-1  
 
   
DSLPipe DSU features  
DSLPipe DSU features  
The DSLPipe DSU includes the following features:  
High-speed SDSL transport over a single copper twisted-pair telephone line  
Symmetrical multirate data transmission from 144 Kbps to 2320 Kbps  
Compatible and interoperable with major COE routers  
Easy-to use  
Low power consumption  
Easy configuration  
COE or CPE configuration  
Transmission distance of almost 18,000 feet at 786 Kbps (with a 24 gauge  
wire)  
DSLPipe DSU configuration  
You can use a DSLPipe DSU as either a Customer Premises Equipment (CPE) or  
Central Office Equipment (COE). Figure 1-1 illustrates how you can use the unit  
as a CPE.  
WAN  
V.35 Router  
DSLPipe  
DSU  
ISP Router  
(DSLTNT,  
MAXDSL20 or  
another  
LAN  
DSLPipe DSU)  
Figure 1-1. Example: Using a DSLPipe DSU as CPE  
A DSLPipe DSU accepts HDLC data from a V.35 router. It converts the data into  
SDSL format and sends it, via a WAN link, to a DSLTNT, a MAXDSL20 or  
another DSLPipe DSU (configured as COE). The DSLTNT, MAXDSL20, or  
DSLPipe DSU then sends the data to the appropriate ISP router.  
1-2  
DSLPipe DSU (SDSL) User’s Guide  
 
     
DSLPipe DSU architecture  
Figure 1-2 illustrates how you can use a DSLPipe DSU as COE.  
WAN  
V.35 Router A  
DSLPipe DSU  
(as COE)  
DSLPipe DSU  
(as CPE)  
V.35 Router B  
Figure 1-2. Example: Using a DSLPipe DSU as COE  
The DSLPipe DSU in Figure 1-2 accepts HDLC data from V.35 Router A. The  
unit converts the data into SDSL format and sends it, via a WAN link, to another  
DSLPipe DSU that is configured as CPE. That unit then sends the data to V.35  
Router B.  
DSLPipe DSU architecture  
Figure 1-3 illustrates the DSLPipe architecture.  
LED  
Debugging RS-232  
SDSL  
2B1Q  
Flash  
ROM  
10/100 Base Ethernet  
V.35 driver  
Common bus  
Figure 1-3. DSLPipe DSU architecture  
The DSLPipe DSU driver picks up the HDLC data and sends it to the Ethernet  
controller for processing. The data is sent via the bus to the SDSL chip. The chip  
converts the data to RFC 1490 packets and sends it across a WAN link to another  
device.  
DSLPipe DSU (SDSL) User’s Guide  
1-3  
 
   
 
Checking package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1  
Setting up the DSLPipe DSU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2  
Connecting the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4  
Checking the activity of the LED lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4  
The DSLPipe DSU (SDSL) modem is easy to install. Open the package and  
identify the two cables, then set up the unit, and check the activity of the LED  
status lights.  
Checking package contents  
The package in which you received your DSLPipe DSU should contain the  
following items. See Figure 2-1.  
1
DSLPipe DSU. The model name, DSL-HST-DSU, is printed on the bottom  
of the unit.  
2
3
4
5
V.35 to DB-25 connector  
WAN cable with RJ-11 modular plug connectors  
DSLPipe DSU (SDSL) Users Guide  
Power supply  
DSLPipe DSU (SDSL) User’s Guide  
2-1  
 
   
Setting up the DSLPipe DSU  
1
2
3
5
4
Figure 2-1. Package contents  
Setting up the DSLPipe DSU  
Figure 2-2 shows the DSLPipe DSU’s rear panel. To set up your DSLPipe DSU,  
you use components located on the rear panel to set the data transmission rate,  
configure the unit as either CPE or COE, and connect the necessary cables  
Figure 2-2. DSLPipe DSU Rear Panel  
DC IN  
RATE  
V.35  
TERMINAL  
WAN  
2-2  
DSLPipe DSU (SDSL) User’s Guide  
 
   
Setting up the DSLPipe DSU  
Setting the data transmission rate  
To set the DSLPipe DSU data transmission rate, use a pen to move the DIP  
switches.Table 2-1 shows the DIP switch settings for each rate. Move the DIP  
switch down to turn the switch on. Move a switch up to turn it off.  
Table 2-1. Data transmission settings  
Rate  
DIP Switch 1  
ON  
DIP Switch 2  
ON  
DIP Switch 3  
ON  
144 Kbps  
272 Kbps  
400 Kbps  
528 Kbps  
784 Kbps  
1168 Kbps  
1552 Kbps  
2320 Kbps  
ON  
ON  
OFF  
ON  
OFF  
ON  
ON  
OFF  
OFF  
OFF  
ON  
ON  
OFF  
ON  
OFF  
OFF  
OFF  
ON  
OFF  
OFF  
OFF  
Configuring the unit as either CPE or COE  
If you want the DSLPipe DSU to function as a CPE, leave the fourth DIP switch  
in the up (off) position. If you want the unit to function as a COE, move the  
fourth DIP switch down.  
Note: JP3 and JP4 must be installed for Dip Switch 4 to be functional.  
DSLPipe DSU (SDSL) User’s Guide  
2-3  
 
     
Connecting the cables  
Table 2-2 shows the proper setting for each configuration.  
Table 2-2. CPE vs. COE configuration  
Configuration  
CPE  
DIP Switch 4  
OFF  
COE  
ON  
Connecting the cables  
To connect your DSLPipe DSU:  
1
Use the V.35 to DB-25 cable to connect the V.35 device to the DSLPipe  
DSU.  
2
3
Use the WAN cable to connect the DSLPipe DSU to the SDSL line.  
Use the power supply cable to connect the DSLPipe DSU to a power source.  
Plugging the power supply automatically turns on the DSLPipe DSU.  
Checking the activity of the LED lights  
To verify that your DSLPipe DSU is connected properly, observe the activity  
pattern of the lights at the front of the unit (see Figure ). When all the cables are  
connected, verify that:  
The con light is on initially and then turns off. It blinks if there are any  
SDSL errors.  
The wanlight turns on after the conlight turns off. It blinks until a  
connection is established, and then remains on.  
The lnklight is on if the DSR (Data Set Ready) or the RTS (Request To  
Send) control on the V.35 port is active.  
The act light blinks when there is any DSL activity, but it remains off  
otherwise.  
The pwr light comes on and remains on.  
2-4  
DSLPipe DSU (SDSL) User’s Guide  
 
     
Figure 2-3 shows the location of the status lights on the DSLPipe DSU front  
panel.  
Figure 2-3. Location of the LED lights in the DSLPipe DSU front panel  
DSLPipe DSU (SDSL) User’s Guide  
2-5  
 
     
 
Items you need . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1  
Connecting serial cable and setting up communications software . . . . . . . . 3-1  
Viewing configuration information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3  
Viewing diagnostic information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5  
Before you can view the configuration information for the DSLPipe unit, you  
must set up VT100 emulation to view the on-board software.  
Items you need  
You need a serial cable that can plug into an available, enabled serial port on  
your computer. The other end of the cable must have a male DB-9 connector  
to fit the serial port connector on the back of the DSLPipe unit. If your  
computer is a Macintosh, the cable must fit the modem port’s nine-pin mini  
DIN connector.  
You also need communications software that supports VT100 emulation.  
Connecting serial cable and setting up  
communications software  
To establish a serial connection, proceed as follows:  
1
Use a serial cable to connect your computer’s serial (or modem) port to the  
terminal port on the back of the DSLPipe unit.  
DSLPipe DSU (SDSL) User’s Guide  
3-1  
 
     
Connecting serial cable and setting up communications software  
2
3
Use a communications program (such as HyperTerm, PROCOMM PLUS,  
Zterm, or any other program that supports VT100 terminal emulation) to  
open a session directly with the port to which the DSLPipe unit is connected.  
Set your communications software to connect with the following settings:  
Note: If you are not already familiar with the settings listed, see the  
documentation for your communications software. If you’re using the  
software for the first time, going through an online or printed tutorial (if the  
software includes one) is a good way to get started.  
Direct connection: Tell the software that there is a serial cable  
connecting the DSLPipe directly to the computer.  
Serial port: Specify which of the computer’s serial ports the software  
uses. If the only serial port available is currently used by an internal  
modem, you may need to use your computer’s setup software to specify  
an external connector for the port that will be used in place of the  
internal modem. In some cases, you also may need to remove the  
modem. See the manual for the modem and your computer’s user  
manual for details.  
Terminal type: Specify VT100.  
Duplex: If the software lets you choose, specify Full. Because this is by  
far the most common choice, most communications software sets this  
by default.  
Bits per second: Specify 57600.  
Data bits: Specify 8.  
Parity: Specify None.  
Stop bits: Specify 1.  
Flow control: Turn off software flow control (XON/XOFF) and, if  
possible, hardware flow control (RTS/CTS). Specify None.  
4
Your communications program should now display the DSLPipe main  
window. If it does not, press the Enter key.  
The following message appears on the screen:  
Select Function Items?  
Press Ctrl-L and the following message appears:  
Press any key to continue...  
3-2  
DSLPipe DSU (SDSL) User’s Guide  
 
Viewing configuration information  
Press any key on the keyboard and the DSLPipe unit’s configuration menu  
appears:  
SDSL V.35 DSU  
Software Version 3.31  
0. Show DSL Status  
1. Change Configuration  
2. Upgrade Operation Software  
3. Upgrade SDSL Firmware  
4. Debug Mode  
Figure 3-1. DSLPipe configuration window  
Note: At this time, you cannot change DSLPipe configuration, upgrade the  
DSLPipe software, or upgrade the DSLPipe firmware using the on-board  
software. In other words, you cannot change anything by using options 1, 2, or  
3 from the DSLPipe configuration window (see Figure 3-1).  
Viewing configuration information  
After you set up the communications software and the DSLPipe unit’s  
configuration menu appears (see Figure 3-1), you can enter 0 to view DSLPipe  
status information. The DSLPipe status screen continues to refresh every few  
seconds -- press any key to stop the refresh. Table 3-1 describes the fields that  
display in the status window.  
Table 3-1. Fields in the DSLPipe status window  
Fields  
Description  
Bitpump Status  
Terminal Type  
Operation Status  
Shows either OKor NG(No Good).  
Indicates CO(Central Office) or RT(Remote Terminal) mode.  
Indicates UPor DN.  
DSLPipe DSU (SDSL) User’s Guide  
3-3  
 
     
Viewing configuration information  
Table 3-1. Fields in the DSLPipe status window (Continued)  
Fields  
Description  
V35  
Indicates OFF_line or ON_line  
Data Bit Polarity  
Indicates Norm(Normal) or Rev(Reverse). The default is  
Rev.This means that the transmitter inverts the data polarity  
before sending data.  
Sign/Magn Bit Seq  
Indicates Norm(Normal) or Rev(Reverse). The default is  
Rev. This means that the magnitude bit is followed by the sign  
bit.  
Noise Margin  
Data Rate  
Shows the noise margin value (in dB). If the noise margin is  
less than -5dB, the SDSL line is terminated.  
Shows the current transmission rate  
DSL ch Data  
Encode/Decode  
Shows one of the following: NRZ, NRZI, FMO, FM1, or  
Manchester. The default is NRZ. This means that signal  
transmissions go from positive to negative without ever  
assuming a zero value (Non-Return to Zero).  
V.35 ch Data  
Encode/Decode  
Shows one of the following: NRZ, NRZI, FMO, FM1, or  
Manchester. The default is NRZ. This means that signal  
transmissions go from positive to negative without ever  
assuming a zero value (Non-Return to Zero).  
DSL ch Rx CRC  
DSL ch Tx CRC  
V.35 ch Rx CRC  
Shows either Enableor Disable. The default is Enable.  
This means that the receiver will check for CRC over the SDSL  
line.  
Shows either Enableor Disable. The default is Enable.  
This means that the CRC is appended to the end of the frame  
when data is sent over the SDSL line.  
Shows either Enableor Disable. The default is Enable.  
This means that the receiver will check for CRC over the V.35  
line.  
3-4  
DSLPipe DSU (SDSL) User’s Guide  
 
Viewing diagnostic information  
Table 3-1. Fields in the DSLPipe status window (Continued)  
Fields  
Description  
V.35 ch Tx CRC  
Shows either Enableor Disable. The default is Enable.  
This means that the CRC is appended to the end of the frame  
when data is sent over the V.35 line.  
V.35 ch RxC  
Polarity  
Indicates Norm(Normal) or Rev(Reverse). The default is  
Norm.This means that data will be sampled at the rising edge  
of the clock.  
V.35 ch TxC  
Polarity  
Indicates Norm(Normal) or Rev(Reverse). The default is  
Norm.This means that data will be shifted out of the buffer at  
the falling edge of the clock.  
Viewing diagnostic information  
After you set up the communications software and the DSLPipe unit’s  
configuration menu appears (see Figure 3-1), you can press 4to enter debug  
mode and view diagnostic information. When you press 4, the following window  
appears:  
SDSL V.35 DSU  
Debug Mode  
0. Return to Main Menu  
1. Check HDLC Registers  
2. Print Rx Data  
Figure 3-2. Debug Mode window  
At the Select Function Itemsprompt, press 1 to display the HDLC  
registers. Table 3-2 describes the fields that display in the list that appears.  
DSLPipe DSU (SDSL) User’s Guide  
3-5  
 
 
Viewing diagnostic information  
Table 3-2. Fields in the HDLC Registers list  
Fields  
Description  
HDMARXCNTA  
HDMARXCNTB  
HINTENA  
HINTENB  
HSTATA  
These fields are not currently supported.  
HSTATB  
HCON0A  
HCON0B  
HCON1A  
HCON1B  
SDSL_RX PACKETS  
V35_RX PACKETS  
V35_RX_ERROR_COUNT  
V35_TX_ERROR_COUNT  
SDSL_RX_ERROR_COUNT  
SDSL_TX_ERROR_COUNT  
DMA_TXA_STATUS  
Shows the number of packets received by the SDSL line.  
Shows the number of packets received by the V.35 line.  
Shows the number of errors received by the V.35 receiver.  
Shows the number of errors transmitted by the V.35 transmitter.  
Shows the number of errors received by the SDSL receiver.  
Shows the number of errors transmitted by the SDSL transmitter.  
Shows Workingif the SDSL line is working. Otherwise, shows  
Non-Working.  
3-6  
DSLPipe DSU (SDSL) User’s Guide  
 
 
Viewing diagnostic information  
Table 3-2. Fields in the HDLC Registers list (Continued)  
Fields  
Description  
DMA_TXB_STATUS  
Shows Workingif the V.35 line is working. Otherwise, shows  
Non-Working.  
DSLPipe DSU (SDSL) User’s Guide  
3-7  
 
 
Hardware Specifications  
A
Table A-1 lists the DSLPipe DSU specifications.  
Table A-1. DSLPipe DSU specifications  
Physical connectors  
RJ-11 for SDSL WAN  
DB-25 to V.35 connector  
Transmission rate  
DSL line code  
Line impedance  
Dimensions  
144 Kbps - 2320 Kbps  
2B1Q  
135 ohms  
220mm x 169mm x 40mm  
Approximately 2 lbs (0.9 kg)  
1A @ 9 to 18 VDC via AC Adapter  
Less than 5 watts  
5% - 95%, noncondensing  
0-50° C  
Weight  
Electrical, power input  
Electrical, power consumption  
Operating humidity  
Operating temperature  
EMC  
FCC-15B  
Safety  
UL  
DSLPipe DSU (SDSL) User’s Guide  
A-1  
 
 
 
 
Product warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1  
FCC Part 15 Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2  
IC CS-03 Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3  
Product warranty  
1
Lucent Technologies warrants that the DSLPipe V.35 unit will be free from  
defects in material and workmanship for a period of twelve (12) months from  
date of shipment.  
2
Lucent Technologies shall incur no liability under this warranty if:  
The allegedly defective goods are not returned prepaid to Lucent  
Technologies within thirty (30) days of the discovery of the alleged defect  
and in accordance with Lucent Technologies’ repair procedures; or  
Lucent Technologies’ tests disclose that the alleged defect is not due to  
defects in material or workmanship.  
3
4
Lucent Technologies’ liability shall be limited to either repair or replacement of  
the defective goods, at Lucent Technologies’ option.  
Lucent Technologies MAKES NO EXPRESS OR IMPLIED WARRANTIES  
REGARDING THE QUALITY, MERCHANTABILITY, OR FITNESS FOR A  
PARTICULAR PURPOSE BEYOND THOSE THAT APPEAR IN THE  
APPLICABLE Lucent Technologies USER'S DOCUMENTATION. Lucent  
Technologies SHALL NOT BE RESPONSIBLE FOR CONSEQUENTIAL,  
INCIDENTAL, OR PUNITIVE DAMAGE, INCLUDING, BUT NOT LIMITED  
TO, LOSS OF PROFITS OR DAMAGES TO BUSINESS OR BUSINESS  
DSLPipe DSU (SDSL) User’s Guide  
B-1  
 
   
Warranties and FCC Regulations  
FCC Part 15 Notice  
RELATIONS. THIS WARRANTY IS IN LIEU OF ALL OTHER  
WARRANTIES.  
Warranty repair  
1
During the first three (3) months of ownership, Lucent Technologies will repair  
or replace a defective product covered under warranty within twenty-four (24)  
hours of receipt of the product. During the fourth (4th) through twelfth (12th)  
months of ownership, Lucent Technologies will repair or replace a defective  
product covered under warranty within ten (10) days of receipt of the product.  
The warranty period for the replaced product shall be ninety (90) days or the  
remainder of the warranty period of the original unit, whichever is greater.  
Lucent Technologies will ship surface freight. Expedited freight is at customers  
expense.  
2
The customer must return the defective product to Lucent Technologies within  
fourteen (14) days after the request for replacement. If the defective product is  
not returned within this time period, Lucent Technologies will bill the customer  
for the product at list price.  
Out-of warranty repair  
Lucent Technologies will either repair or, at its option, replace a defective product not  
covered under warranty within ten (10) working days of its receipt. Repair charges are  
available from the Repair Facility upon request. The warranty on a serviced product is  
thirty (30) days measured from date of service. Out-of-warranty repair charges are  
based upon the prices in effect at the time of return.  
FCC Part 15 Notice  
Warning: This equipment has been tested and found to comply with the limits  
for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are  
designed to provide reasonable protection against harmful interference when the  
equipment is operated in a residential environment. This equipment generates,  
uses, and can radiate radio frequency energy, and, if not installed and used in  
accordance with the instruction manual, may cause harmful interference to radio  
communications. Operation of this equipment in a residential area is unlikely to  
!
B-2  
DSLPipe DSU (SDSL) User’s Guide  
 
Warranties and FCC Regulations  
IC CS-03 Notice  
cause harmful interference. But if it does, the user will be required to correct the  
interference at his or her own expense.  
The authority to operate this equipment is conditioned by the requirement that no  
modifications will be made to the equipment unless the changes or modifications are  
expressly approved by Lucent Technologies.  
IC CS-03 Notice  
The Industry Canada label identifies certified equipment. This certification means  
that the equipment meets certain telecommunications network protective, operational,  
and safety requirements as prescribed in the appropriate Terminal Equipment  
Technical Requirements document(s). The Department does not guarantee that the  
equipment will operate to the user’s satisfaction.  
Before installing this equipment, users should make sure that it is permissible to be  
connected to the facilities of the local telecommunications company. An acceptable  
method of connection must be used to install the equipment. The customer should be  
aware that compliance with the above conditions may not prevent degradation of  
service in some situations.  
Repairs to certified equipment should be coordinated by a representative designated  
by the supplier. Any repairs or alterations made by the user to this equipment, or  
equipment malfunctions, may give the telecommunications company cause to request  
the user to disconnect the equipment.  
Users should ensure for their own protection that the electrical ground connections of  
the power utility, telephone lines, and internal metallic water pipe system, if present,  
are connected together. This precaution may be particularly important in rural areas.  
Warning: Users should not attempt to make such connections themselves, but should  
contact the appropriate electric inspection authority, or electrician, as appropriate.  
DSLPipe DSU (SDSL) User’s Guide  
B-3  
 
 
 

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