Loopback connector – Solvline PB2xxxUG User Manual
Page 78

8. LoopBack Connector
The loopback connector can be used to verify if the Portbase hardware is ok by performing an
external loopback test. The loopback is plugged in the Portbase’s RJ45 serial port to test that the
Portbase serial port operates normally.
The following is the Loopback Connector Wire Diagram.
RS232 Loopback Connector RS422 Loopback Connector
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