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9-42 Issue 1 September 1995
Figure 9-18. Terminating Resistor Block (110RA1-12)
Figure 9-19 shows the wiring connections for the 110RA1-12 terminal block. The
TN556 Basic Rate Interface (BRI) switch port is terminated to the bottom row C.
For point-to-point applications, the top row is connected to the blue station field.
Notice 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.
1. Circuit 1
2. Circuit 2
3. Output row “A”
4. Output row “B”
5. Input row “C”
6. Only first circuit shown to all 12 circuits
(2APR) per block
7. 110D-4 connector block
8. Printed circuit board mounted on
standard 110A, 100APR block
Figure Notes:
1
2
11
T R T1 R1
12
6
7
8
9
10
3
4
5