Carrier Access 1750 Manual De Usuario

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

.)

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