Carrier Access Broadmore 1750 - Manual (Page 38)

1-14 Broadmore 1750 - Release 4.6
Product Description
NIM IOM
NIM IOM
Module Type NIM IOM
Part Number 7660-406
Slot Number Mounts in rear behind corresponding OC-12c/STM-4c
NIM
Features BITS clock input
Jumper selectable BITS clock termination impedance
Description The NIM IOM provides a physical interface to an
external clock, giving the option of synchronizing the
Broadmore 1750 master clock to an external source.
BITS timing is provided to the Broadmore 1750 via the
NIM IOM. In a redundant system, BITS clock may be
provided to each NIM IOM.
Connectors NIM IN – BNC connector reserved for future use.
NIM OUT – BNC connector reserved for future use.
BITS – RJ48C connector for BITS input clock.
Jumpers BITS impedance matching jumpers located on the
component side of the circuit board provide selection
of 100 ohms, 75 ohms, or no termination.
IOM
NIM
BITS
OUT
NIM
IN
7 6 6 0 - 4 0 6