Status Indicators and Control Panel Messages
C-5
3550-A2-GB20-40
July 1999
Table C-3
(3 of 3)
Device Health and Status Messages
Message
Condition
MUX Device Fail
Internal failure in the TDM/Flex is detected.
MUX CommunicFail
No reply from TDM/Flex. The DSU periodically polls the TDM/Flex for health and status.
When the DSU does not receive a response, the message MUX CommunicFail
appears in the Health and Status report.
Prt
nnn Disable
Transmitter at port
nnn (01 or 02, or All is disabled. (Go to the Control branch to enable
the port.)
Port
nnn DTR Alarm
The DTR lead at port
nnn (01 or 02, or All) has been Off for more than 30 seconds.
Prt
nnn StreamTerm
Streaming terminal. DTE at port
nnn (01 or 02, or All) has its RTS lead turned ON
longer than the predefined time.
P
nnnTst: test,init
The DSU is running a test on port
nnn (01 or 02), initiated from init.
test is one of the following tests:
BERT
—
Bit Error Rate Test
DL
—
Digital Loopback
DT
—
Digital Test
DTE
—
DTE Loopback
RL
—
Remote Digital Loopback
TM
—
Test Mode
init is one of the following initiators:
DTE
—
Data Terminal Equipment
FP
—
Front Panel (the DCP)
NMS
—
Network Management System
Remt
—
Remote DSU
Redun Fan Alarm
Indicates a problem with the fan on the – 48 Vdc Central Office Power Unit.
Redun Pwr Alarm
Indicates a problem with the power on the – 48 Vdc Central Office Power Unit.
Subnetwrk Alarm
A major alarm was set Off by one of the devices in your subnetwork. Check the
Subnetwork Health and Status report.
Sub-normal Speed
The DSU is operating at a dial backup speed that is less than the DDS network speed.
Subtree Truncat
Downstream health and status information has been truncated because it overflowed
system limits.
OutofFrameThresh
For DSUs operating on a single port (rate adaption or nondisruptive), TDM, the local
DSU has detected a continuous MUX Out-of-Frame condition. The alarm clears when a
local DSU synchronizes with a remote DSU.
On a point-to-point circuit, if the alarm continues and the local DSU is configured for
automatic backup, the local DSU disruptively tests the DDS circuit. If the test fails, the
local DSU initiates a DDS Facility Alarm and initiates dial backup.
nn.n DDS
Indicates the speed (
nn.n) of the active core (DSU or DBM) when there are no alarms.
Summary of Contents for Comsphere 3551
Page 4: ...COMSPHERE 3550 Series Data Service Units C July 1999 3550 A2 GB20 40 Notices ...
Page 12: ...COMSPHERE 3550 Series Data Service Units vi July 1999 3550 A2 GB20 40 ...
Page 68: ...COMSPHERE 3550 Series Data Service Units 4 22 July 1999 3550 A2 GB20 40 ...
Page 98: ...COMSPHERE 3550 Series Data Service Units 5 30 July 1999 3550 A2 GB20 40 ...
Page 100: ...COMSPHERE 3550 Series Data Service Units A 2 July 1999 3550 A2 GB20 40 ...
Page 101: ...DSU Menu A 3 3550 A2 GB20 40 July 1999 ...
Page 108: ...COMSPHERE 3550 Series Data Service Units B 6 July 1999 3550 A2 GB20 40 ...
Page 122: ...COMSPHERE 3550 Series Data Service Units C 14 July 1999 3550 A2 GB20 40 ...
Page 129: ...Pin Assignments D 7 3550 A2 GB20 40 July 1999 Figure D 5 EIA 232 D Crossover Cable 4951 035F ...
Page 134: ...COMSPHERE 3550 Series Data Service Units E 4 July 1999 3550 A2 GB20 40 ...