Leds - Paradyne 3166 User Manual

SDCP Operation

LEDs

Select
OK
System
Fail
LEDs
Test
Sig
OOF
NET
Alrm
EER
DTR
TXD
Port1 RXD
CTS
RTS
Net
Mon
In
Out
DSU/CSU
3166
98-16081b
3-4
There are twelve LEDs on the 3166 DSU/CSU front panel.
A green LED indicates normal operation. A yellow LED indicates activity.
Conditions are sampled every tenth of a second.
The twelve front panel LEDs are grouped into three sections to indicate the status
of the:
H
System (Table 3-1)
H
Network Interface (Table
H
Data Port (Table 3-3)
Table 3-1. System LEDs
Name Color Meaning
OK Green Indicates the current operational state of the DSU/CSU.
(Select)
ON :
OFF :
BLINKING : A software download is in progress.
FAST BLINK : The DSU/CSU is currently selected by the SDCP.
Fail Yellow Indicates a system failure or a self-test.
ON :
OFF :
BLINKING : A self-test is in progress.
Test Yellow A system test is in progress.
ON :
OFF :
March 1999
3-2)
The DSU/CSU is operational and has power.
The DSU/CSU is performing a power-up self-test or a
system failure has occurred.
A device error/fault is detected or a reset has just
occurred.
No system failures are detected.
A loopback or pattern test has been initiated either
locally, by the network, or externally.
No tests are active.
3166-A2-GB20-20