5 Diagnostics
5-2
FrameSaver NP 64+ User’s Manual - Installation Guide
980-001-0221C
March
2001
Table 5-1 FrameSaver NP 64+ Front Panel Indicators
Nomenclature
Description
Function
POWER
Green LED
ON, indicates unit is receiving proper operating
voltages.
READY
Green LED
Steady ON, indicates unit has successfully passed its
internal self-test.
FLASHING, indicates the unit is performing its self-
test (test time approx. 45 sec.).
OFF after self-test, indicates a hardware failure was
detected during the self-test.
DDS ALARM
Red LED
OFF, indicates the DDS Facility (WAN) is active,
properly connected, and the DSU is in sync. with the
DDS Network.
ON, indicates RLOS or OOS condition detected.
FLASHING simultaneously with FR MGMT. LED,
indicates software download* in process.
NETW LMI
Green LED
ON, indicates network is responding to all LMI
requests from unit.
FLASHING, indicates unit is reaching timeout before
some (but not all) network LMI responses are received.
OFF, indicates no network response to LMI requests.
USER LMI
Green LED
ON, indicates unit is receiving all LMI requests from
user (DTE).
FLASHING, indicates unit is reaching timeout before
some (but not all) user LMI requests are received.
OFF, indicates no user LMI requests to unit.
HS PORT TxD
Green LED
ON, indicates High Speed data is being Received from
the local DTE (Router).
HS PORT RxD
Green LED
ON, indicates High Speed data is being Sent to local
DTE (Router).
FR MGMT.
Green LED
On momentarily whenever a message is received on the
Management Channel PVC.
FLASHING simultaneously with DDS ALARM LED,
indicates software download* in process.
MODEM IN USE
Green LED
Steady ON, indicates the modem is connected to a port.
FLASHING, indicates that ringing is incoming on the
Dial Line.
*See Software Download at the end of this section for description.
Содержание FrameSaver NP 64+
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