Nortel Meridian Circuit IOP/CMDU Card NT5D20BA Conference Phones or through the use of

or through the use of a power injector

Provides eight 2-wire analog FXS interfaces (RJ-45 modular connectors)

The Avaya 4610SW is a programmable IP phone for the Avaya IP Office

The Adtran 4242908L1 offers four T1

This Adtran 1355 has the same functionality of the Adtran Total Access 900e series combined with a 24 port 10/100 PoE switch

Nortel Meridian Circuit IOP/CMDU Card NT5D20BA Conference Phones or through the use ofThe Nortel IOP CMDU Card is the programming and memory center of the Meridian Option PBX system. The IOP CMDU includes the main hard drive disk, the cd rom and the floppy disk drive. It is required for proper system operation.