CORNING ONE GX Scheda di installazione rapida - Pagina 14
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(OPTIONAL) EXTERNAL ALARM CONNECTIONS
Support for up to four dry-contact alarm connections from
external sources (incoming outputs). See Figure 20 for pinout
description.
15.
(OPTIONAL) SYSTEM ALARM CONNECTIONS
Relay alarm support for remote main status alarm. See Figure 21
for pinout description.
16.
VERIFY NORMAL OPERATION
Step 1:
Confirm the fans are working after powering.
Step 2:
Verify normal operation via LEDs:
RUN
COMM
ALM
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P/N 709C021101_Rev A00
Flashing green upon initialization for a
duration of one minute
Flashing green
(When communicating with head end)
OFF
Figure 20. External Alarm Pinout Description
Figure 21. System Alarm Pinout Description
Figure 22. GX LED Status Indicators
Pin No. Description
1
EXT_ALM1
2
EXT_COM1
3
EXT_ALM2
4
EXT_COM2
5
EXT ALM3
6
EXT_COM3
7
EXT ALM4
8
EXT_COM4
Pin No. Description
1
EXT_OPEN
2
EXT_COM
3
EXT_CLOSE