Cisco 1601 Hardware Installation Guide - Page 80

ISDN BRI U WICs Overview, WIC36-1B-U Front Panel

Page 80 highlights

ISDN BRI U WAN Interface Cards ISDN BRI WAN Interface Cards 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 BRI U port LEDs LED NT1 41226 B1 B2 SEE MANUAL BEFORE INSTALLATION BRI U Figure 50 WIC-1B-U Front Panel BRI U port B1 B2 NT1 41223 SEE MANUAL BEFORE INSTALLATION BRI U Figure 51 WIC-1B-U-V2 Front Panel BRI U port SEE MANUAL BEFORE INSTALLATION B1 B2 ISDN BRI U NT1 WIC 1B-U V2 95121 OL-12844-01 6

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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