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AC57 Special Configuration

The AC57 is a special purpose configuration. Before ordering check that the non standard Input #2 is compatible with the peripheral device you wish to attach. Contact the Support desk for assistance if you are unsure.

 

AC57: Input 1, DB9 male

PinSignalNotes
1o/cNot connected
2RxDData coming from device and entering Mux for onward transmission to Host.
3TxDOptional return data path from Mux to device. Not connected unless jumper link is fitted. Default is fitted
4DTRProvides + 5v DC at up to 300mA to power devices
5GNDCommon data ground
6DSRNot connected
7RTSRS232 handshake line output. Permanently enabled (Wired to +12v via 1k resistor)
8CTSNot connected
9o/cNot connected
 

AC57: Input 2, DB9 female

PinSignalNotes
1CTSNot Connected
2RxDData coming from device and entering Mux for onward transmission to Host.
3TxDOptional return data path from Mux to device. Not connected unless jumper link is fitted. Default is not fitted
4RTSRS232 handshake line output. Permanently enabled (Wired to +12v via 1k resistor)
5o/cNot Connected
6DSRNot connected
7GNDCommon data ground
8o/cNot connected
9DTRProvides + 5v DC at up to 300mA to power devices

AC57: Jumper Links and Data Switch

Configuration details- AC57 AC57: View inside case

Summary

  • Jumper Link Channel 1: Closed. Backward data path enabled
  • Jumper Link Channel 2: Open. Backward data path disabled
  • Data Switch: Toward Power Socket. Data injected into Host/Terminal pin 2 circuit.
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