98-16081b
System
LEDs
NET
DSU/CSU
3166
Port1
OK
Fail
Test
Sig
OOF
Alrm
EER
DTR
TXD
RXD
CTS
RTS
Select
In
Out
Net
Mon
SDCP Operation
3-4
3166-A2-GB20-20
March 1999
LEDs
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:
System (Table 3-1)
Network Interface (
Table 3-2
)
Data Port (
Table 3-3
)
Table 3-1.
System LEDs
Name
Color
Meaning
OK
(Select)
Green
Indicates the current operational state of the DSU/CSU.
ON :
The DSU/CSU is operational and has power.
OFF :
The DSU/CSU is performing a power-up self-test or a
system failure has occurred.
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 :
A device error/fault is detected or a reset has just
occurred.
OFF :
No system failures are detected.
BLINKING : A self-test is in progress.
Test
Yellow
A system test is in progress.
ON :
A loopback or pattern test has been initiated either
locally, by the network, or externally.
OFF :
No tests are active.
Summary of Contents for 3166 DSU
Page 1: ...ACCULINK 3166 DSU CSU USER S GUIDE Document No 3166 A2 GB20 20 March 1999...
Page 16: ...About This Guide x 3166 A2 GB20 20 March 1999 This page intentionally left blank...
Page 20: ...Introduction 1 4 3166 A2 GB20 20 March 1999 This page intentionally left blank...
Page 68: ...SDCP Operation 3 42 3166 A2 GB20 20 March 1999 This page intentionally left blank...
Page 102: ...SDCP Menu A 2 3166 A2 GB20 20 March 1999 This page intentionally left blank...
Page 140: ...Pin Assignments D 12 3166 A2 GB20 20 March 1999 This page intentionally left blank...
Page 166: ...SNMP MIB Objects E 26 3166 A2 GB20 20 March 1999 This page intentionally left blank...
Page 192: ...Equipment List I 2 3166 A2 GB20 20 March 1999 This page intentionally left blank...