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 2-16lists the technical specifications for the WIC-1B-U card.
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= |
| |
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.
| | Cisco ICS 7750 System Description | | |
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| 78-10360-02 | | | 2-41 |
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