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Monitoring
6-7
9820-A2-GB20-20
June 2000
Table 6-5. Network and User Data Port LEDs and Control Leads
Label
Indication What It Means
Both Network and User Data Ports
OK Operational Status The data port is operational.
TXD Transmit Data Data is being sent to the far-end device on the
data port.
RXD Receive Data Data is being received from the far-end device
on the data port.
Additional Network Data Port Control Leads
RLSD Receiver Line Signal
Detector
If Port Type is set to V.35 or EIA530:
Shows the current state of the RLSD control
lead.
If Port Type is set to X.21:
Shows the current state of the Indication
interface control lead.
DSR Data Set Ready Shows the current state of the DSR control
lead.
This lead is not used when Port Type is set to
X.21.
CTS Clear to Send Shows the current state of the CTS control
lead.
This lead is not used when Port Type is set to
X.21.
TM Test Mode A test is currently running in the NTU.
This lead is not used when Port Type is set to
X.21.
Additional User Data Port Control Leads
DTR Data Terminal Ready Shows the current state of the DTR control
lead.
This lead is not used when Port Type is set to
X.21.
RTS Request to Send If Port Type is set to V.35 or EIA530:
Shows the current state of the RTS control
lead.
If Port Type is set to X.21:
Shows the current state of the Control interface
control lead.
See
Configuring the Physical Interfaces
in Chapter 4,
Configuration Options
, for
additional information.