User's Manual

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E1 Spread Spectrum Radios
8-13
8.2.4 User I/O
Figure 8-18 User I/O
This subpage allows you to set the configurations of User I/O interfaces.
9 Besides the standard E1 interface, there are the User I/O ports. This allows the users to fully control the
controlling room from the local end. For example: If there is no manual control over the remote end, it is
possible to have all the date of temperature, alarm, power supply etc. from the central controlling
computer. The central controlling computer controls most of the functions which makes intelligent
management possible. This device has 8
ports for input and 4 relay output ports.
8 input ports: Setting can be Not in Use status or Alarm on Low status.
4 relay output ports: Setting can be Not in Use status, or Always Open status, or Always Closed status, or
Closed on Input Alarm status, or Closed on Alarm status. For either of these, you may select either of Rx or
Tx.