AT&T 518-600-016 manual Module controls and indicators

Label	SMDR port
	Application port
Status indicators (LEDs)	Warning iight
DIP switch (S2)	l a b e l
Port 4
Port 3
	Diagnostic
	96-pin connector

Port 2

Port 1

DIP switch (S1)

Tie line module (517A14)	Processor module (517A7)
	for Feature Moduies 1 and 2

FIGURE 1-5 Module controls and indicators (continued).

●On/off switch. This switch applies or removes power to the earner.

●Power connector. This is a male connector for the ac power cord.

●Ground lug. This connects the control unit chassis to an approved ground for the building.

1-24 System Hardware