Hardware Description and Reference for Avaya ... - Avaya Support

MM717 DCP Media Module
MM717 DCP Media Module
The Avaya MM717 Media Module provides 24 Digital Communications Protocol (DCP) ports
connected through an RJ21X Amphenol connector. The MM717 supports simultaneous
operation of all 24 ports. Each port can be connected to a 2-wire DCP telephone.The MM717
does not support 4-wire DCP telephones.
Figure 68: Avaya MM717 DCP Media Module
Note:
Note: The MM717 is supported in both the G700 and G350 Media Gateways.
Signal timing specifications for the MM717 support TDM Bus Timing in receive and transmit
modes. The G700 and G350 Media Gateways supply only +5 VDC and –48 VDC to the MM717
Media Module.
Loop range secondary protection is provided on the MM717. The MM717 is also self-protecting
from an over current condition on a tip and ring interface. The MM717 supports a loop length as
follows:
● 5500 feet (1676 meters) over 0.65 mm (.025 in.) wire (22 AWG)
● 3500 feet (1067 meters) over 0.5 mm (.02 in.) wire (24 AWG)
● 2200 (671 meters) over 0.4 mm (.016 in.) wire (26 AWG)
The MM717 Media Module is connected to the wall field or breakout box with a B25A
unshielded 25-pair cable.
CAUTION: The
ALM
TST
ACT
mmdc717 LAO 102505
! CAUTION:
ports on the MM717 are intended for in-building use only. Phone lines
connected to those ports are not to be routed out-of-building. Failure to comply
with this restriction could cause harm to personnel or equipment.
Issue 6 February 2007 297