Carrier Access Broadmore 1750 - Manual (Page 105)

Broadmore 1750 - Release 4.6 6-7
Electrical Installation
BITS Interface Connections
BITS Interface Connections
NIM IOMs include a Building Integrated Timing Supply (BITS) input
connector for network timing. If required, the BITS impedance jumpers on
the OC-12 NIMs are normally adjusted during “NIM Installation” on
page
5-9 .)
1. Use cable rated for Category 3 (CAT3) or better.
2. Route the cable to the lower-left, rear of the chassis.
3. Connect the cable to the RJ48C BITS connector on the rear of the
chassis. (See example at right.)
4. Use the plastic cable guides and cable protector shipped with the
Broadmore 1750 to secure the cable.
IOM
NIM
BITS
OUT
NIM
IN
7 6 6 0 - 4 0 6
BITS Input Jack
(Front View)
1
RJ48C Plug
(Pin Side)
Pins
Pin 1
Ring Tip
Receive
Twisted Pair
2