
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.
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