ISDN BRI WAN Interface Cards
ISDN BRI U WAN Interface Cards
6
OL-12844-01
ISDN BRI U WICs Overview
The 1-port ISDN BRI U WICs contain an integrated NT1 device. This interface is also known as a
U interface. There are three ISDN BRI U WICs:
Note You can distinguish between WIC36 and WIC models of an ISDN BRI WIC by the location and labeling
of the LEDs and by the number and location of cutouts in the faceplate.
• 1-port ISDN BRI WIC with integrated NT1 device (WIC36-1B-U) (see Figure 49)
• 1-port ISDN BRI WIC with integrated NT1 device (WIC-1B-U) (see Figure 50)
• 1-port ISDN BRI WIC with integrated NT1 device, version 2(WIC-1B-U-V2) (see Figure 51)
Figure 49 WIC36-1B-U Front Panel
Figure 50 WIC-1B-U Front Panel
Figure 51 WIC-1B-U-V2 Front Panel
BRI
U
B1
B2
SEE MANUAL BEFORE INSTALLATION
NT1
LEDs LED
BRI U port
41226
BRI U port
41223
BRI
U
SEE MANUAL BEFORE INSTALLATION
B1
B2
NT1
BRI U port
95121
WIC
1B-U
V2
SEE MANUAL
BEFORE INSTALLATION
B1 B2 NT1
ISDN BRI U
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