AT&T System 75 Wiring Diagram page 228

Figure 4-17. Selector Console Installation
Installing INADS Interface
Requirements
The INADS trunk should appear on the twenty-fifth pair of a RJ21X
network interface jack. The INADS trunk is a two-way, rotary dial, loop
start trunk that connects to the TN731 maintenance circuit pack through
the INADS terminals at the trunk/auxiliary cross-connect field. Figure
4-18 shows a typical INADS trunk installation.
INADS Interface Installation
Install the INADS interface as follows:
1. Determine INADS trunk appearance at the green trunk/auxiliary
cross-connect field.
Label terminals for INADS trunk appearance (IN).
2.
3. Install jumpers between INADS trunk appearance (IN) and INADS
terminals.
Miscellaneous Wiring Installation
D8AC
CORD
SELECTOR
CONSOLE
4-31