Lucent Technologies 555-230-128 manual Typical Installation of Terminating Resistor Block

DEFINITY Enterprise Communications Server Release 6	Issue 3
Installation and Test for Compact Modular Cabinets 555-230-128	May 1998
1 Install and Cable the Cabinets
Install the BRI Terminating Resistor	Page 1-80

Figure 1-35 shows the wiring connections for the 110RA1-12 terminal block. The TN556 BRI switch port is terminated to bottom row C.

1

9

10

11

6

2

T R T1 R1

6

7

3

8

4

term_blk RPY 012098

5

Figure Notes
1.	Part of terminating resistor block	7.	Basic multi-point option
2.	White or purple field	8.	4-pair horizontal cables
3.	Part of 4-pair blue field	9.	Row “A”
4.	From ISDN T-interface circuit	10.	Row “B”
	(2-pair)	11.	Row “C”

5.To ISDN S/T-interface terminals

6.2-pair cross-connect

Figure 1-35. Typical Installation of Terminating Resistor Block

For point-to-point wiring, the top row connects to the blue station field. The pair connects from the 110RA1-12 to the standard 4-pair circuit. Pair 1 from the 110RA1-12 is connected to Pair 1 of the station field, and Pair 2 is connected to Pair 3 of the station field.

Two terminal basic multi-point applications are accommodated by connecting row B (output) to the second terminal common to the multi-point circuit.