Filter
Top Products
Label
Status indicators (LEDs)
DIP switch (S2)
Port 4
Port 3
Port 2
Port 1
DIP switch (S1)
SMDR port
Application port
Warning iight
label
Diagnostic
96-pin connector
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