Related Information.............................................................................................................................................3
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WIC−1DSU−T1 WAN Interface Card Cable
Specifications
Document ID: 46795
Introduction
Prerequisites
Requirements
Components Used
Conventions
WIC−1DSU−T1 WAN Interface Card
Cables
LEDs
Related Information
Introduction
This document provides the cable specifications for the WIC−1DSU−T1 WAN interface card.
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−1DSU−T1 WAN Interface Card
The Cisco T1 DSU/CSU WAN interface card is an integrated, fully managed Data Service Unit/Channel
Service Unit (DSU/CSU) for T1 or fractional T1 service. It is supported on the Cisco 1600, 1720, 2600, and
Cisco − WIC−1DSU−T1 WAN Interface Card Cable Specifications
3600 Series Routers, and it provides a cost−effective router−DSU/CSU combination with the following
features:
T1 or fractional T1 network interface•
N X 64 kbps or N X 56 kbps non−channelized data rates (N = 1 to 24)•
Standards−based, including ANSI T1.403 and AT&T Publication 62411•
Cables
This card requires an RJ−45 to RJ−45 straight−through cable (provided by customer).
The following table provides the pinouts for T1/E1 trunk and digital voice ports (RJ−48).
1
Pin
1
2
3
4
5
6
7
8
RX (input)
RX (input)
−−
TX (output)
TX (output)
−−
−−
−−
Signal
1
Any pin not referenced on a connector is not connected.
LEDs
The table below provides the specifications for the T1/FT1 LEDs and the loopback button.
LED
Feature
LP
AL
CDGreenThe internal DSU/CSU in the WAN
ColorDescription
Yellow Line or loopback state is detected or is
manually set by the user.
Off
Red
Yellow
Blue
Off
Normal operation
No receive signal
Remote station has an alarm condition.
The remote station is probably out of
service. If the remote station is an
IOS−based router, its interface may be shut
down.
Normal operation
interface card is communicating with
Cisco − WIC−1DSU−T1 WAN Interface Card Cable Specifications