Comtech EF Data CDM-700 Dokumentacja Pobierz pdf (Strona 169)

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Chapter 6. CONNECTOR PINOUTS

6.1 CRS-230 Controller Connectors

6.1.1 IF Switch Control – DB-25M Connector

The DB-25M IF Switch Control connector is cabled directly to the

corresponding connector on the CRS-280 or CRS-350, if used. This

supplies power to the CRS-280/350, along with the logic interface

to drive the currently selected terrestrial modem, and to decide

whether the system is in bridged or backup mode. The CRS-280/350 performs the same bridging

and backing up functions of the Tx and Rx IF signals to match what the CRS-300 does to the

terrestrial data signals.

6.1.1: IF Switch Control Connector

6.1.4: System Alarms Connector

6.1.3: Remote Control Connector

6.1.2: 485 Pass-Through Connector

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