Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 405
rts-dcd
Syntax rts-dcd {high | low | end-to-end}
Context Config>port>serial>rs232>control-lead>input
Config>port>serial>v35>control-lead>input
Description This command configures the Request To Send (RTS) or Data Carrier Detect (DCD) input
control lead. The input signal that is sent depends on the device-gender setting. For a DCE
device, the input signal is RTS. For a DTE device, the input signal is DCD.
This command is valid only for RS-232 and V.35 interfaces.
Default high
Parameters high — the input control lead is assumed to be on
low — the input control lead is assumed to be off
end-to-end — the input control lead follows that of the remote end. This parameter is not
supported for interface speeds ≥ 64 kb/s.
monitor
Syntax monitor
Context config>port>serial>rs232>control-lead
config>port>serial>v35>control-lead
config>port>serial>x21>control-lead
Description This command enables access to the context to monitor the input control leads. When
monitoring is enabled on a control lead, the 7705 SAR polls the status of the control lead
every second. Any change in state of the control lead causes an alarm to be raised. This
functionality provides an indication to the operator of a problem in the DTE-to-DCE path; for
example, it can indicate that the far-end device is disconnected.
Monitoring is enabled on a per-lead basis. The monitoring functionality is supported on ports
configured for either DTE or DCE.
Default n/a
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