DSU/CSU WAN Interface Cards
T1/FT1 DSU/CSU WAN Interface Card
4
OL-12845-01
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:
•
1-port T1/fractionalized T1 (FT1) DSU/CSU WIC (WIC-1DSU-T1) (see
Figure 58
)
•
1-port T1/fractionalized T1 (FT1) DSU/CSU WIC, version 2 (WIC-1DSU-T1-V2) (see
Figure 59
)
Caution
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
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
WIC-1DSU-T1 Front Panel
Figure 59
WIC-1DSU-T1-V2 Front Panel
T1/FT1 DSU/CSU WIC LEDs and Loopback Button
The T1/FT1 DSU/CSU WIC LEDs and loopback button are shown in
Figure 58
and
Figure 59
. The
functions of the LEDs and loopback button are described in
Table 13
.
SEE MANUAL
BEFORE
INSTALLATION
41215
CD
LP
AL
Loopback
button
LP
AL
CD
LOOP
BACK
DSU
CSU
T1
T1 port
T1 DSU/CSU
SEE MANUAL
BEFORE
INSTALLATION
88109
CD
LP
AL
Loopback
button
LP
AL
CD
LOOP
BACK
WIC
1DSU-T1
V2
T1 port
T1 DSU/CSU
Table 13
T1/FT1 DSU/CSU WIC LEDs and Loopback Button
Feature
Color
Description
LP LED
Yellow
Line or loopback state is detected or is manually set by the user.
Off
Normal operation.