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.
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