NEC NEAX 2000 IPS - Cable Connection of CCH and MODEM

CHAPTER 2 INSTALLATION
– 85 – NWA-008853-001 Rev.3.0
97ch2001.fm
Cable Connection of CCH and MODEM
• When providing the Common Signaling Data Link via MODEM:
(1) Connect the RS NORM-4 CA-A/RS NORM-4S CA-A to the CCH card and the MODEM (PBX side)
as shown below.
Cable Connection for Common Signaling Data Link via MODEM
(2) Connect the LINE cable between the MODEM (PBX side) and MODEM (Distant PBX side) as
shown below.
LINE Cable Connection via MODEM
RS
MODEM MODEM
2P 2P
RS NORM-4 CA-A/RS NORM-4S CA-A (4 m/13.1 ft.)
CCH
PBX SIDE
DISTANT
PBX SIDE
PSTN
PSTN: Public Switched
Telephone Network
DISTANT PBX SIDE
DTE
LINE
DTE
PSTN:
LINE
PSTN
MODEMMODEM
PBX SIDE
Public Switched
Telephone Network
LINE CABLE
INSTALLATION PROCEDURE FOR ANALOG CCIS