When switching the power to a radio with inhibit (SLEEP) mode, the serial port 1
or 2 switched power line will go to the radio's inhibit (SLEEP) mode input. Power
out will go to the radio's power input.
6.6.1
Communication
Troubleshooting the communications for this unit requires that equipment in two
areas be tested: the NGC Comm Ports and the external Communication device.
This is discussed in more detail in the Communications Overview section.
Other communication troubleshooting information is shared in the following
categories:
•
•
•
6.6.2
Setting Up Communication
After the installation of the communication equipment, and before placing the
communication system into operation, note the following:
•
•
•
•
•
2101510 Rev. AG
RS232 Communications
RS485 Communications
RS422 Communications
Verify field wiring terminations on the NGC termination panel.
Verify field wiring from the NGC unit to the termination strip inside the
enclosure.
Verify the field wiring from the termination strip to the radio.
Check the NGC identifier (ID). Log the ID for future reference.
Log the NGC access security code, baud rate, listen cycle, protocol and
interface for future reference.
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