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).
Pin1
Signal
1
2
3
4
5
6
7
8
RX (input)
RX (input)
−−
TX (output)
TX (output)
−−
−−
−−
1Any 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 | Color | Description |
| ||
LP | Yellow | Line or loopback state is detected or is |
| manually set by the user. | |
|
| |
|
|
|
| Off | Normal operation |
| Red | |
| No receive signal | |
|
| |
| Yellow | Remote station has an alarm condition. |
AL |
| The remote station is probably out of |
|
| |
| Blue | service. If the remote station is an |
|
| IOS−based router, its interface may be shut |
|
| down. |
|
|
|
| Off | Normal operation |
|
| |
CD | Green | The internal DSU/CSU in the WAN |
|
| interface card is communicating with |
|
|
|
Cisco − WIC−1DSU−T1 WAN Interface Card Cable Specifications
