TC Communications TC3400, Руководство пользователя

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For Stand Alone units, connect this port for RS-232 connection.
Connect this port for RS-232, RS-422*, RS-485* or Analog* connection.
NOTE: For RS-232 connections, use the IN(-) pin for RxD, OUT(-) pin for TxD and G pin for signal ground.
Connect this port using a twisted pair Ethernet cable to the local network.
The Dry Contact Relay is normally in the “Open” position. It will force the relay to a "Close" position
under the following conditions:
1. Alarm is on (e.g. 10 Base-T signal lost).
Note: This function can be disabled by setting the front panel "DISALM" switch to on (down) position.
2. The dry contact relay will close during power up for a few seconds.
* Note: Not used, for future release.
PWR
A
PWR
B
ALM RLY
+ - + -
PWR
A
PWR
B
ALM RLY
+ - + -