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ERROR—CU 1 Faulty or Disconnected. CMS Cannot Manage Calls.
Status lndicator: CU 1 [flashing)
Effect on Call Management:
Until this problem is corrected, CMS cannot
manage calls.
See “Managing Calls if CMS is Disabled” at the end of this
section of the manual.
Possible cause
Corrective action
There’s a loose
Make sure one end of the cable is securely
connection between the
plugged into the CU 1 jack at the back of the
CU 1 jack and the
PC and the other end is securely plugged into
MERLIN II system the jack in the MERLIN II system control unit
control unit. assigned to CU 1.
The cable is faulty.
Try switching the cables plugged into CU 1
and CU 2. Unplug the cable from the CU 1
jack and plug it into CU 2, and vice versa, If
the CU 1 indicator on the screen stops flashing
and the CU 2 indicator goes on, you know the
problem is either a faulty cable or a faulty
MERLIN II system component. Do not plug
the cables back into their original jacks on the
CMS card. Restart CMS. CMS can manage
calls using only the CU 1 jack while you
further isolate and correct the problem.
The jack in the MERLIN
1 Unplug the CU 1 cable from its jack in the
II system control unit MERLIN II system control unit and plug it
assigned to CU 1 is
into another attendant jack, The control
faulty.
unit jacks that can be attendant jacks are
marked “ATT” on the Station Jacks section
of the MERLIN II system Master Planning
Form.
2 Administer the jack as an attendant jack
following the instructions under the
heading “Designate Attendant Positions”
in “Step 3: Perform Basic Administration”
in Section 4 of the MERLIN II
Communications System with Feature Module 2
Installation and Administration Manual.
The CU 1 jack on the
If none of the above actions corrects the
CMS card is faulty.
problem, contact your equipment supplier for
assistance.
9-4 Startup Problems