26 Operations Manual
Regenerative Mode: The Reset switch may be
programmed to reset other components in the same
“family.” Refer to specific site instructions.
Note: Reset also clears the message review buffer.
Alarm
Silence
Standalone Mode: The Alarm Silence switch silences
the audible appliances connected to the CM2ND only.
The yellow LED in the switch illuminates, indicating the
alarm has been silenced. This LED remains ON until a
new alarm is detected or the system is reset.
Network Mode: The Alarm Silence switch may be
programmed to silence portions of the network’s
audibles or the entire network’s audible appliances.
Refer to specific site instructions.
Regenerative Mode: The Alarm Silence switch may be
programmed to silence audible circuits on other
components in the same “family.” Refer to specific site
instructions.
Trouble
Silence
The Trouble Silence switch silences the internal
trouble buzzer in the power supply associated with the
CM2ND. The yellow LED in the switch illuminates,
indicating the trouble buzzer has been silenced. This
LED remains ON until a new trouble is detected or the
system is reset. Subsequent troubles resound the
buzzer and extinguish the LED.
Lamp Test Function:
This function is toggled ON and OFF by pressing the Alarm Silence
and Trouble Silence switches simultaneously. Lamp test is NOT an
automatic action and must be programmed to test LEDs on the RASP
and SAN panels.
Next/Ack and Back Switches (call-outs 9 and 10)
CM2ND Back and Next/Ack Switches
Switch Description
Next/Ack Press the Next/Ack button to scroll the display to the next
status display screen. The Next/Ack button is also used
to acknowledge receipt of alarm and trouble conditions.
Back Press the Back button to review the stored information.
CM2ND Display
The CM2ND controller uses a 40-character, 2-line Liquid Crystal
Display (LCD) to display messages for local alarm, trouble, and
supervisory short conditions. The display may also show messages
routed to it by the IRC-3 network controller and other CM2N(D)s if
configured as part of a regenerative network.
When the CM2ND is on-line and operating normally, the following is
displayed:
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