Mm722 Bri Media Module; Wan Media Modules; Mm340 E1/T1 Wan Media Module - Avaya G250 Overview

Optional components
For BRI endpoints, the MM720 BRI media module supports up to 16 BRI stations and data
modules that conform to AT&T BRI, World Class BRI, and National ISDN NI1/NI2 BRI
standards. The MM720 BRI media module provides -40 volt phantom power to the BRI
endpoints.
Figure 14: The MM720 media module

MM722 BRI media module

The MM722 BRI media module provides two 4 wire S/T ISDN BRI (Basic Rate Interface) 2B+D
access ports with RJ-45 jacks. Each port interfaces to the central office at the ISDN T reference
point. Information is communicated in the same manner as for the MM720. See
media module
Figure 15: The MM722 media module
Note:
The MM722 media module does not support:
Note:
- BRI stations
- Combining both B channels together to form a 128-kbps channel

WAN media modules

MM340 E1/T1 WAN media module

The MM340 E1/T1 WAN media module provides a WAN access port for the connection of an
E1 or T1 WAN.
Figure 16: The MM340 media module
32 Overview for the Avaya G250 and Avaya G350 Media Gateways
on page 31.
MM720 BRI