AT&T System 75 Wiring Diagram page 266

Mount indicator at specified location.
3.
4. Connect a 2-pair line cord (modular plug at one end) from the
information outlet to the indicator (Figure 4-39).
5. Connect red (R) and green (T) leads to the indicator.
Administer per AT&T System 75 and System 75 XE—Implementation
6.
( 5 5 5 - 2 0 0 - 6 5 1 ) a n d AT&T System 75 and System 75
XE—Administration (555-200-500).
Miscellaneous Wiring Installation
4-69