Coastcom D/I Mux III System User Manual page 226

Alarm Severity
Prov Bus Err Info
Diagnostics Info
Err
LINE T1-1 Info
LPBK
LINE T1-2 Info
LPBK
PAYLOAD Info
T1-1 LPBK
PAYLOAD Info
T1-2 LPBK
CGA Info
DCGA Info
Req Remote Info
LLB
REMOTE Info
Loop
CLOCK Info
Change
RCVD Clk Info
Freq Err
INT Clk Freq Info
Err
EXT2 Clk Info
Freq Err
EXT9 Clk Info
Freq Err
EXT CLK Fail Info
Event Trigger Info
Event Map Info
Sw
Time Map Sw Info
Alarm Map Sw Info
Task error Info
Man. Map Sw Info
TTU Red Info
Alarm
TTU Yellow Info
Alarm
Chapter 5. Diagnostics
Report Log into
to NCC History
No Yes Tx and/or Rx failed over the provisioning bus.
No No Card diagnostics failed.
Yes Yes The T1-1 span is looped back towards the network. Message at
the looped end.
Yes Yes The T1-2 span is looped back towards the network. Message at
the looped end.
Yes Yes The T1-1 span is looped back towards the network. Message at
the looped end.
Yes Yes The T1-2 span is looped back towards the network. Message at
the looped end.
Yes Yes Carrier Group Alarm signal produced 2.5 s after loss of T1
framing. Has a 10-s minimum release time.
No No Delayed Carrier Group Alarm signal is produced 0-20 seconds
after CGA is set.
No Yes Loop initiated from the local LIU.
No No T1 span is looped back towards the network. Message at the
looped end.
No Yes Reports a clock change event.
No Yes The recovered clock shifted from the Stratum 4 clock
specifications.
No Yes The internal clock shifted from the Stratum 4 clock specifications.
No Yes Slot-2 clock shifted from the Stratum 4 clock specs.
No Yes DB-9 clock shifted from the Stratum 4 clock specs.
Yes Yes External clock failed. (DB-9, Slot-2, etc.)
Yes Yes Event input is grounded. Event map is on.
No Yes Switched to an event map.
No Yes Switched to a time map.
No Yes Switched to an alarm map.
No Yes Task switching error.
No Yes Switched to a manual map.
No Yes Loss of frame reported by Tandem T1 Channel Unit (TTU).
No Yes Bit 2 = Zero for all 24 DS0s received or yellow alarm in FDL of
ESF on Tandem T1 Channel Unit (TTU).
Description
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