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Installing the Line Interface Module on the Cisco 8110 Broadband Network Termination Unit

Installing the Line Interface Module on the Cisco 8110 Broadband Network Termination Unit

This document contains the following sections:

Unpacking the Line Interface Module

Upon receipt of, and before opening the line interface module (LIM), inspect the package for any damage that might have occurred during shipping. If the package shows any signs of external damage or rough handling, notify your carrier's representative.

When unpacking the LIM be sure to keep all original packing materials. They might be needed for storing, transporting, or returning the product.


Note   All products returned to Cisco, under warranty, must be packed in their original packing materials.

The LIM package should include the following:


Caution   All modules are susceptible to electrostatic discharge (ESD) even while installed. Take the necessary precautions to minimize electrostatic damage while handling modules.

Basic Hardware Features

The LIM is designed to be installed into the CISCO 8110 LIM slots, and operates as the Line Interface for the different Line types supported by the CISCO 8110.

A standard CISCO 8110 configuration will include two LIMs. Each of these modules has handles for insertion or extraction from the unit. The third module, placed in the far-right-hand side slot is a hot standby module.

Cable Connections

To connect the cables, use the following procedures:

Connecting Optical Cables


Warning When LIM LIM-155SM-I ,LIM-155SM-L, LIM-155SM-XL, , LIM-155SM-I-SH, LIM-155SM-L-SH or LIM-155SM-XL-SH are used the CISCO 8110 is a Class 1 Laser Product

Take the necessary precautions to avoid dangerous radiation hazards if these modules are not handled properly.

To connect your CISCO 8110 unit optical interfaces:


Step 1   Prepare a pair of appropriate (multi-mode or single-mode) optical cables with appropriate (SC or ST) connectors on the CISCO 8110 side.

Step 2   Snap the cables into the LIM ports on the front panel of your CISCO 8110 unit.

Step 3   Snap the other end of the cable into the ATM switch or other ATM equipment. Be sure that each cable connects to Tx on one end and Rx on the other.


Connecting Electrical Signal Cables


Caution   Electrical cables should be 26 AWG or lower.

To connect your CISCO 8110 unit electrical BNC interfaces:


Step 1   Prepare a pair of appropriate cables with appropriate connectors on the CISCO 8110 side

You may want to mark the ends of the cable so you can identify the wires.

Step 2   Attach the cables into the LIM ports on the front panel of your CISCO 8110 unit.

Step 3   Attach the other end of the cable into the ATM switch or other ATM equipment. Be sure that each cable connects to Tx on one end and Rx on the other.


To connect your CISCO 8110 unit electrical RJ-45 interfaces:


Step 1   Prepare an appropriate cable with appropriate connector on the CISCO 8110 side

The RJ-45 pin out should be as follows:

T1/E1 Pinouts UTP Pinouts
Pin Signal Pin Signal

1

Rx Tip

1

Tx+

2

Rx Ring

2

Tx-

4

Tx Tip

7

Rx+

5

Tx Ring

8

Rx-

Step 2   Attach the cables into the LIM ports on the front panel of your CISCO 8110 unit.

Step 3   Attach the other end of the cable into the ATM switch or other ATM equipment. Be sure that each cable connects to Tx on one end and Rx on the other.


Note   Please make sure that the JMP1 pins are not shorted. This option (shorted JMP 1 pins) may be used only when using a coax cable.


LIM Installation

This section includes the following:

Installing a Line Interface Module (LIM)

To install a LIM in your CISCO 8110:


Step 1   Verify that the module state is OOS (Out of Service), using the console or the in-band management application.

Step 2   Place the module's card edges into the right and left module guides at the front of the CISCO 8110 Slide in the module until it makes contact with the backplane, then push firmly to mate the connectors solidly with the backplane.

Step 3   Secure the module's front panel to the CISCO 8110 chassis using the mounting screws on the right and left of the module's front panel.

Step 4   Securely install and fasten each module to facilitate the installation of the one next to it.

Step 5   Configure the module type to the actual LIM type, using the console or the in-band management application.

Step 6   Change the module state to active, using the console or the in-band management application.


Removing a Line Interface Module (LIM)

To remove a LIM in your CISCO 8110:


Step 1   Change the module state to OOS (Out Of Service) using the console, or the in band management application

Step 2   Unscrew the right and left mounting screws on the front panel of the module.

Step 3   Remove the module by pulling evenly its mounting screws.

Step 4   Use faceplate panels, supplied with the CISCO 8110 Unit to protect unused slots from dust and reduce electromagnetic radiation.



Caution   The CISCO 8110 ventilation mechanism is not effective if empty slots are not covered with faceplate panels.


Caution   If you store modules outside the CISCO 8110 for an extended period of time, place them in the original packaging (or equivalent packaging providing ESD protection).

Replacing Modules

When changing from one type of LIM to another (e.g. from STM-1 to E3) use the following procedure:


Step 1   Change the module state to OOS (Out of Service), using the console or the in-band management application.

Step 2   Remove the module

Step 3   Insert the new LIM

Step 4   Change the LIM module type by using the console or the in-band management application.

Step 5   Change the module state to active, using the console or the in-band management application



Table 1: Front Panel LIM LEDs
LEDIndicator Status Explanation

ALM

On

Off

Alarm present in LIM.

No alarm in LIM.

Tx

Off

On Weak

On Strong

No cells transmitted in LIM port.

LIM transmitter enabled, no ATM cells transmitted.

User cells are being transmitted.

Rx

Off

On Weak

On Strong Flashing

No cells detected in LIM port.

LIM synchronized to received signal. No ATM cells detected.
ATM cells detected.

Error during SelfTest

NOTES:

1. OUT of SERVICE - all LEDs are off

2. ACTIVE MODE - Tx and Rx active (for no alarm)

3. ACTIVE MODE - Tx +ALM active (with alarm)

4. STANDBY MODE - All LEDs off (including ALM)

Obtaining Documentation

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

Documentation CD-ROM

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly. Therefore, it is probably more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.

Ordering Documentation

Registered CCO users can order the Documentation CD-ROM and other Cisco Product documentation through our online Subscription Services at http://www.cisco.com/cgi-bin/subcat/kaojump.cgi.

Nonregistered CCO users can order documentation through a local account representative by calling Cisco's corporate headquarters (California, USA) at 408 526-4000 or, in North America, call 800 553-NETS (6387).

Obtaining Technical Assistance

Cisco provides Cisco Connection Online (CCO) as a starting point for all technical assistance. Warranty or maintenance contract customers can use the Technical Assistance Center. All customers can submit technical feedback on Cisco documentation using the web, e-mail, a self-addressed stamped response card included in many printed docs, or by sending mail to Cisco.

Cisco Connection Online

Cisco continues to revolutionize how business is done on the Internet. Cisco Connection Online is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.

CCO's broad range of features and services helps customers and partners to streamline business processes and improve productivity. Through CCO, you will find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online support services, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.

Customers and partners can self-register on CCO to obtain additional personalized information and services. Registered users may order products, check on the status of an order and view benefits specific to their relationships with Cisco.

You can access CCO in the following ways:

You can e-mail questions about using CCO to cco-team@cisco.com.

Technical Assistance Center

The Cisco Technical Assistance Center (TAC) is available to warranty or maintenance contract customers who need technical assistance with a Cisco product that is under warranty or covered by a maintenance contract.

To display the TAC web site that includes links to technical support information and software upgrades and for requesting TAC support, use www.cisco.com/techsupport.

To contact by e-mail, use one of the following:

Language E-mail Address

English

tac@cisco.com

Hanzi (Chinese)

chinese-tac@cisco.com

Kanji (Japanese)

japan-tac@cisco.com

Hangul (Korean)

korea-tac@cisco.com

Spanish

tac@cisco.com

Thai

thai-tac@cisco.com

In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers and TAC e-mail addresses worldwide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.

Documentation Feedback

If you are reading Cisco product documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.

You can e-mail your comments to bug-doc@cisco.com.

To submit your comments by mail, for your convenience many documents contain a response card behind the front cover. Otherwise, you can mail your comments to the following address:

Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883

We appreciate and value your comments.

This document is to be used in conjunction with the Installing the Line Interface Module on the Cisco 8110 Broadband Network Termination Unit publication.

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Posted: Tue Mar 13 09:30:06 PST 2001
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