CTI Products NCB/IM with Internal PSTN Modem - Manual (Page 43)

CTI Products, Inc. NCB/IM User Guide
Appendix C. Connector Details 37
3 Pin Terminal Strip style:
Mating Connector: Weidmuller 128186
Pin Function
1 Network
2 Network
3 Shield (RS-485 only)
SMX Transceiver units:
SMX network connections are described in the documentation with the SMX
transceiver.
Telco LINE Connector
Connector type: Standard RJ11 telephone style, 6 position 4 contact.
For Dial-Up operation: Use pins 3 and 4 (standard telephone wiring)
For 2-wire Leased-Line operation:
Connect pins 3 and 4 from each NCB module to each end of the
bidirectional leased-line circuit.
For 4 wire Leased-Line operation:
Connect pins 3 and 4 of NCB module 1 to the circuit
carrying audio from NCB1 to NCB2, terminate this circuit
to pins 2 and 5 of NCB2.
Connect pins 2 and 5 of NCB module 1 to the circuit
carrying audio from NCB2 to NCB1, terminate this circuit
to pins 3 and 4 of NCB2.
Pin Standard
Color
Function Notes
1 No Connection
2 Black 4 wire receive tip Used for 4-wire channels only
3 Red 2 wire tip / 4 wire transmit tip
4 Green 2 wire ring / 4 wire transmit ring
5 Yellow 4 wire receive ring Used for 4-wire channels only
6 No Connection
NETWORK
1 2 3
C A - 8 0 0 8 5 - 1 0 0
NETWORK
2 1
LINE
1 2 3 4 5 6