Paradyne COMSPHERE 3610 Operator's Manual page 221

Message
No Ext Timing
OnePrt no undspd
PCC/Async Conflc
Port Off Undersp
1
Only use if backup is the same speed as DDS.
3610-A2-GB91-90
Table C-10
(6 of 8)
TDM/MCMP/Bridge Configuration Error Messages
Condition
Bridge mode: An attempt is made to
configure a DSU as a central-site
bridge sourcing external timing on
Prt1, and the Bridge Rate
configuration option is set to any
value but =DSU. Bridge Rate is a
configuration option in the Setup path
of the MUX configuration submenu.
For a central-site bridge configuration
sourcing external timing on Prt1, the
Bridge Rate configuration option must
be set to =DSU. This combination of
configuration values would support
multipoint LADS operation where the
controlling DTE supplies the system
clock.
For a central-site bridge configuration
where Bridge Rate is set to any value
but =DSU, valid clock sources are
internal, received, and DDS.
TDM mode: Only one port is active
and an attempt is made to configure it
for underspeed.
Since only one port is active, there is
only one TDM channel (no in-band
framing); therefore, no underspeed
port is required.
TDM or MCMP mode: An
asynchronous port's Receiver Carrier
Select and PCC Buffer settings are
incompatible.
For an asynchronous port having
Receiver Carrier Select set to Cntrl,
PCC Buffer must be set to Enab.
TDM mode: A port that is disabled
(0 bps) is also set to run underspeed.
A port that is disabled cannot run
underspeed.
July 1999
Diagnostic Control Panel Messages Reference
Action
Correct the problem in one of two
ways:
1. For a central-site bridge
configuration where the
configuration option Bridge Rate is
set to any value but =DSU, set the
TxClkSource configuration option
in the DSU submenu to Int, RXC,
or DDS.
2. For a central-site bridge
configuration sourcing external
timing on Prt1, set the Bridge Rate
configuration option to =DSU.
Disable the port's underspeed
configuration option via the
appropriate path (DSU or DBM) in the
PrtSp configuration submenu.
Set configuration option PCC Buffer
to Enab for the port via the
appropriate path (Prt1—Prt6) in the
MUX configuration submenu.
Correct the problem in one of two
ways:
1. Set the speed of the port to any
value but Disab via the
appropriate path (DSU or DBM) in
the PrtSp configuration submenu.
2. Select another synchronous port
to run underspeed via the
appropriate path (DSU or DBM) in
the PrtSp configuration submenu.
1
C-19