Closet Mounted (110Ra1-12) - Lucent Technologies definity Installation Manual

DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets 555-230-128
1 Install and Cable the Cabinets
Install the BRI Terminating Resistor

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 1-34
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 Notes
1. Circuit 1
2. Circuit 12
3. Output row "A"
4. Output row "B"
Figure 1-34. Terminating Resistor Block (110RA1-12)
shows the wiring of the 110RA1-12. Three rows of 110D-4 connector
1
1 2 3 4
3
4
5
2
45 46 47 48
6
7
r910014 RPY 012098
5. Input row "C"
6. Only first circuit shown to all 12
circuits (2APR) per block
7. 110D-4 connector block
Issue 3
May 1998
Page 1-79