Ring Communications DNA934P - Manual (Page 7)

February 2013 Telephone Dialer with Recorder DNA934P
INSTALLATION
The DNA934P Interface connects to the telephone line on modular connector J3.
Modular connector J1 connects to the Ring-Master Central Exchange for Power, Voice and Data.
J1 Connector:
Use a modular jack with screw terminals (KB171) for external connections.
Connect the external jack to J1 using a modular cable (BF640A).
Pin Description
1 - No Connection
2 - +12 VDC
3 - Data +
4 - Intercom audio (b)
5 - Intercom audio (a)
6 - Data -
7 - -12 VDC
8 - External Alarm
Connect Intercom Audio, 24VDC and RS485 Data to the Central exchange using 3 twisted
pair cable (unshielded).
Page 7
Ring-Master
Illustration 1: DNA934P rear view
123456 12345678
J3 J1
PBX
Ring-Master
RM EXCHANGE