Paradyne FrameSaver DSL 9783 CSU/DSU, Руководство пользователя, Страница: 112 / 233

Operation and Maintenance
6-14
9783-A2-GB20-00 July 2000
Health and Status Messages
The following table provides Health and Status messages that apply to the
FrameSaver DSL unit.
Table 6-7. Health and Status Messages (1 of 3)
Message What It Indicates
AIS at Network 1 An Alarm Indication Signal (AIS) is received by the
network interface. AIS is an unframed, all ones
signal. Possible reasons include:
H
Upstream FrameSaver unit is transmitting AIS
(keep-alive signal).
H
The network is transmitting an AIS.
Auto-Configuration Active Auto-Configuration feature is active, which allows
automatic configuration and cross-connection of
DLCIs as they are reported by the network LMI.
Back-to-Back Mode Active The operating mode has been configured for
back-to-back operation (
Main Menu
→
Control
→
Change Operating Mode).
The FrameSaver unit can be connected to another
FrameSaver unit without a frame relay switch
between them.
This feature is useful for product demonstrations
or for a point-to-point configuration using a leased
line.
CTS down to Port-1 Device The user data port CTS control lead on the
FrameSaver unit is off.
DLCI
nnnn Down,
frame relay link
1, 2
The DLCI for the specified frame relay link is down.
DTR Down from Port-1 Device The DTR control lead from the device connected to
the user data port is deasserted.
EER at Network 1 The error rate of the received network signal
exceeds the currently configured threshold. This
condition only occurs if the network interface is
configured for ESF framing.
This condition clears when the error rate falls
below the threshold value, which may take up to
15 minutes.
1
nnnn indicates a DLCI number of 16 through 1007.
2
frame relay link is one of the following:
– Net1-FR1. The frame relay link specified for the network interface, Network 1.
– Port-1. The frame relay link associated with the user data port.