Cisco 1601 - Router - EN Hardware Installation Manual page 92

T1/FT1 DSU/CSU WAN Interface Card
T1/FT1 DSU/CSU WICs Overview
The 1-port T1/fractionalized T1 (FT1) DSU/CSU WIC includes an integrated data service unit/channel
service unit (DSU/CSU). The WIC can be configured for either full T1 services or fractionalized T1
services. There are two T1/FT1 DSU/CSU WICs:
•
•
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
Caution
connect the 1-port T1/FT1 DSU/CSU WIC, version 2 (WIC-1DSU-T1-V2) only to intra-building or
non-exposed wiring or cabling. The intrabuilding cable must be shielded and the shield must be
grounded at both ends.
Figure 58
Figure 59
T1/FT1 DSU/CSU WIC LEDs and Loopback Button
The T1/FT1 DSU/CSU WIC LEDs and loopback button are shown in
functions of the LEDs and loopback button are described in
Table 13
Feature
LP LED
OL-12845-01
4
1-port T1/fractionalized T1 (FT1) DSU/CSU WIC (WIC-1DSU-T1) (see
1-port T1/fractionalized T1 (FT1) DSU/CSU WIC, version 2 (WIC-1DSU-T1-V2) (see
WIC-1DSU-T1 Front Panel
T1 port
LOOP
BACK
SEE MANUAL
BEFORE
INSTALLATION
LP AL CD
T1 DSU/CSU
Loopback
LP CD
button
AL
WIC-1DSU-T1-V2 Front Panel
T1 port
LOOP
BACK
SEE MANUAL
BEFORE
INSTALLATION
LP AL CD
T1 DSU/CSU
Loopback
LP CD
button
AL
T1/FT1 DSU/CSU WIC LEDs and Loopback Button
Color
Yellow
Off
DSU
CSU
T1
WIC
1DSU-T1
V2
Description
Line or loopback state is detected or is manually set by the user.
Normal operation.
DSU/CSU WAN Interface Cards
Figure 58)
Figure 58 and Figure
Table 13.
Figure 59)
59. The