Instruction manual

Troubleshooting
ERROR--CU1 Faulty or Disconnected. CMS Cannot Manage Calls.
Status Indicator: CU 1 (flashing)
Audible Signal: A single short beep from the PC and a longer beep from
the CMS card
Effect on Call Management: CMS cannot manage calls until this problem
is corrected. See “Fallback Plan” at the end of this chapter.
NOTE:
CMS can manage calls using the CU2 port on the CMS PC if it is connected
to the CU1 jack on the control unit.
Effect on Data Collection: Data collection stops. Data on completed calls
are saved, but data on calls in progress when the problem occurred are lost.
Contact the MERLIN LEGEND system manager before attempting these
corrective actions.
Possible Cause
Corrective Action
A cable connection 1. Make sure one end of the cable is
between the CU1 jack and
plugged securely into the CU1 port on
the MERLIN LEGEND sys-
the back of the PC.
tern control unit is loose.
2. Make sure the other end is plugged
securely into the jack assigned to CU1
on the MERLIN LEGEND control unit.
CU1 and CU2 are not con-
Connect the CU1 and CU2 cables to two
netted to the same MER-
operator jacks on the same analog
LIN LEGEND system con-
module.
trol unit module.
9-4 Error Messages