Cable Connection Of Cch And Modem - NEC NEAX 2000 IPS System Manual

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