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Operation and Maintenance
5-6
9123-A2-GB20-00
May 2000
Table 5-3. User Data Port LED
Label
Indication Color What It Means
OK Operational
Status
Green ON – The interchange circuits for the port
are in the correct state to transmit and
receive data.
OFF – The port is idle. Occurs if the port is
disabled, or if the port is configured to
monitor DTR and/or RTS and the
lead(s) is not asserted.
Control Lead Descriptions
See Table 5-2, Network Interface LEDs, for a description of these leads. See
Table 5-3, User Data Port LED, to interpret the user data port OK control lead.
The LED descriptions and control lead descriptions are the same.
In addition to these LEDs, additional control leads can be monitored through the
Display LEDs and Control Leads screen. These indicators show the current state
of each control lead and what they indicate when they are highlighted; that is, in
the On state. They are described in Table 5-4.
Table 5-4. Additional Control Leads
Label
Indication What It Means
Network Interface
LMI OK LMI Operational Status LMI is operating successfully on the first frame
relay link on the network interface. This control
lead is filtered in Leased Line mode.
User Data Port
TXD Transmit Data Data is being sent to the far end device.
RXD Receive Data Data is being received from the far end device.
DTR Data Terminal Ready Shows the current state of the DTR control
lead. This indicator should always be on.
RTS Request to Send Shows the current state of the RTS control
lead. This indicator should always be on.