Cisco WAN Interface Cards Cable WIC-1B-U Manual de usuario

Table of Contents

WIC−1B−S/T and WIC−1B−U WAN Interface Cards Cable Specifications................................................1

Document ID: 46796................................................................................................................................1

Introduction..........................................................................................................................................................1

Prerequisites.........................................................................................................................................................1

Requirements..........................................................................................................................................1

Components Used...................................................................................................................................1

Conventions............................................................................................................................................1

WIC−1B−S/T Interface Card...............................................................................................................................1

Cables......................................................................................................................................................2

ISDN BRI S/T Port Pinouts....................................................................................................................2

BRI S/T WAN Interface Card LEDs......................................................................................................2

WIC−1B−U WAN Interface Card.......................................................................................................................3

ISDN BRI U Port Pinouts (RJ−45).........................................................................................................3

ISDN BRI U WAN Interface Card LEDs...............................................................................................3

ISDN BRI Cable Specifications..............................................................................................................3

Related Information.............................................................................................................................................4

Cisco − WIC−1B−S/T and WIC−1B−U WAN Interface Cards Cable Specifications

WIC−1B−S/T and WIC−1B−U WAN Interface Cards

Cable Specifications

Document ID: 46796

Introduction

Prerequisites

Requirements

Components Used

Conventions

WIC−1B−S/T Interface Card

Cables

ISDN BRI S/T Port Pinouts

BRI S/T WAN Interface Card LEDs

WIC−1B−U WAN Interface Card

ISDN BRI U Port Pinouts (RJ−45)

ISDN BRI U WAN Interface Card LEDs

ISDN BRI Cable Specifications

Related Information

Introduction

This document provides the technical specifications and cable requirements for the WIC−1B−S/T and

WIC−1B−U WAN interface cards.

Prerequisites

Requirements

There are no specific requirements for this document.

Components Used

This document is not restricted to specific software and hardware versions.

The information in this document was created from the devices in a specific lab environment. All of the

devices used in this document started with a cleared (default) configuration. If your network is live, make sure

that you understand the potential impact of any command.

Conventions

For more information on document conventions, see the Cisco Technical Tips Conventions.

WIC−1B−S/T Interface Card

Cisco − WIC−1B−S/T and WIC−1B−U WAN Interface Cards Cable Specifications

The Integrated Services Digital Network (ISDN) Basic Rate Interface (BRI) WAN interface cards are shared

between the Cisco 1600, 1720, 2600 and 3600 Series Routers. Each card supports a single ISDN BRI port

offered with and without the NT1 interface.

The S/T WAN interface card module (WIC−1B−S/T) needs the external Network Termination 1 (NT1) device

whereas the U WAN interface card module (WIC−1B−U) has an internal NT1 device.

Cables

The WIC−1B−S/T interface card requires RJ−45 to RJ−45 straight−through cables (provided by the

customer).

ISDN BRI S/T Port Pinouts

The table below shows the ISDN BRI S/T port pinouts (RJ−45).

8 Pin1TE2NT3Polarity

3Transmit Receive +

4Receive Transmit +

5Receive Transmit −

6Transmit Receive −

1Pins 1, 2, 7, and 8 are not used.

2TE refers to terminal terminating Layer 1 aspects of TE1, TA, and NT functional groups. This applies to the

Cisco 1603 and the ISDN BRI S/T WAN interface card.

3NT refers to network terminating Layer 1 aspects of NT1 and NT2 functional groups. This applies to the

Cisco 1604 ISDN S/T port.

BRI S/T WAN Interface Card LEDs

The table below lists the BRI S/T WAN interface card LEDs and their meaning.

LED Meaning

B1 Active connection on B1 channel

B2 Active connection on B2 channel

OK ISDN port has established a connection with the central

office switch

Cisco − WIC−1B−S/T and WIC−1B−U WAN Interface Cards Cable Specifications

WIC−1B−U WAN Interface Card

ISDN BRI U Port Pinouts (RJ−45)

The table below lists the ISDN BRI U port pinouts and their function.

8 Pin1Function

3No connection

4Signal −− Tip or Ring

5Signal −− Tip or Ring

6No connection

1Pins 1, 2, 7, and 8 are not used.

ISDN BRI U WAN Interface Card LEDs

The table below lists the ISDN BRI U WAN interface card LEDs and their meaning.

LED Meaning

B1 Active connection on B1 channel

B2 Active connection on B2 channel

NT1 NT1 has established a connection with the central office

switch

ISDN BRI Cable Specifications

The table below lists the ISDN BRI cable specifications.

Specification High−capacitance

Cable Low−Capacitance

Cable

Resistance (at 96

kHz) 160 ohms/km 160 ohms/km

Capacitance (at 1

kHz) 120 nF1/km 30 nF/km

Impedance (96

kHz) 75 ohms 150 ohms

Wire diameter 0.024" (0.6 mm) 0.024" (0.6 mm)

Distance 32.8' (10 m) 32.8' (10 m)

Cisco − WIC−1B−S/T and WIC−1B−U WAN Interface Cards Cable Specifications

limitation

1nF = nanoFarad

Related Information

Understanding the 1−Port ISDN BRI (S/T) WAN Interface Card (WIC−1B−S/T or

WIC36−1B−S/T)

•

Technical Support − Cisco Systems•

Updated: Jun 27, 2005 Document ID: 46796

Cisco − WIC−1B−S/T and WIC−1B−U WAN Interface Cards Cable Specifications

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