Closet Mounted (110Ra1-12) - Avaya CMC1 Installation Manual

Closet Mounted (110RA1-12)

The 110RA1-12 terminating resistor block consists of twelve 2-pair circuits and provides the 100 Ohm
termination used for ISDN-BRI circuits.
Figure 57 shows the wiring of the 110RA1-12. Three rows of 110D-4 connector blocks contain resistors
and capacitors. The bottom row is designated as the input row and the top and middle rows are designated
as the output rows. The circuit assembly is mounted on a standard 110A-100 pair mounting base.
Figure 57: Terminating Resistor Block (110RA1-12)
Figure notes
1 Circuit 1
2 Circuit 12
3 Output row "A"
4 Output row "B"
Figure 58 shows the wiring connections for the 110RA1-12 terminal block. The TN556D BRI switch port
is terminated to bottom row C.
Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
June 2004
1
1 2 3 4
3
4
5
5 Input row "C"
6 Only first circuit shown to all 12
circuits (2APR) per block
7 110D-4 connector block
Installing and Cabling the Cabinets
Install the BRI Terminating Resistor
2
45 46 47 48
6
7
r910014 RPY 012098
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