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).
Pin
1
Signal
1
RX (input)
2
RX (input)
3
−−
4
TX (output)
5
TX (output)
6
−−
7
−−
8
−−
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
Color
Description
LP
Yellow Line or loopback state is detected or is
manually set by the user.
Off
Normal operation
AL
Red
No receive signal
Yellow
Remote station has an alarm condition.
Blue
The remote station is probably out of
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
