Ring Communications DNB100 - Manual (Page 6)

September 2004 DIGITAL NETWORK BRIDGE DNB100
F6 RING COMMUNICATIONS INC.
Figure F1 - Rear Panel Connectors
INSTALLATION
Each DNB100 in a system can be individually powered from a fuse in the CB901/RM5000 or a local
power supply operating off 24V regulated DC.
J1 - 8 pin (RJ45) Network connections :
Two modular jacks are provided at the rear of the DNB100. See Figure F1. Use modular cables
with straight through pin configuration only! An 8-pin (RJ45) modular jack (KB171) and cord
(BF640A) are required for connection to the network.
PIN# - DESIGNATION
1 - No connection.
2 - +12 VDC power input
3 - Data + (positive)
4 - No connection.
5 - No connection.
6 - Data - (negative)
7 - -12 VDC power input
8 - Not used.