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Cisco ICS 7750 System Description
78-10360-02
Chapter 2 Processor Cards Feature Summary
Voice and WAN Interface Cards
WIC-1B-U
The WIC-1B-U card is a one-port ISDN BRI interface card with integrated NT1
(U interface). (Externally, the WIC-1B-U is identical to the WIC-1T card; see
Figure 2-12.)
Technical Specifications
Table 2-16 lists the technical specifications for the WIC-1B-U card.
WIC-1DSU-56K4
The WIC-1DSU-56K4 card is a single-port, four-wire 56-kbps CSU/DSU
interface card (see Figure 2-15). Use the WIC-1DSU-56K4 card for an all-rate
synchronous interface to any point-to-point or multipoint dedicated digital data
service
(DDS) network compatible with the AT&T Publication 62310 standard.
The WIC-1DSU-56K4 card also supports four-wire switched 56-kbps data
services, such as AT&T Accunet 56 or Sprint VPN-56, plus many switched data
services offered by local exchange carriers.
Table 2-16 Technical Specifications for WIC-1B-U Card
Type Description
Interface type ISDN BRI
Interface U
Physical connector RJ-45
Number of connectors/ports One
Cisco IOS requirement 11.3(2)XA or later
Compliance FCC Class B device, CE
Safety conformance UL1950
Spare WIC-1B-U=