Cisco Systems ICS-7750 Manual De Usuario
2-41
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
(U interface). (Externally, the WIC-1B-U is identical to the WIC-1T card; see
Technical Specifications
lists the technical specifications for the WIC-1B-U card.
WIC-1DSU-56K4
). Use the WIC-1DSU-56K4 card for an all-rate
synchronous interface to any point-to-point or multipoint dedicated digital data
service
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.
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=