AT&T 518-600-016 manual Calls are CUT OFF or Dropped

CALLS ARE CUT OFF OR DROPPED

Symptom: Calls to voice terminals connected to 408 or 008 modules are cutoff or dropped.

Possible Cause	PossibIe Solution		To Investigate Further
Too many Off-Premises	Step 1 Check the number of		If the trouble still occurs. the
Telephone Interfaces	voice terminal connections to		module is still overloaded.
(OPTIs), Basic Telephone	the module. Make sure that		Go to Step 2.
and Modem Intererfaces	no more than four OPTIs,
(BTMIs), or Basic Telephone	BTMIs, or BTMI-2s are
and Modern Interface 2s	connected to the module. No
(BTMI-2s) are connected to	more than two should be
the module.	connected to the upper set of
	four jacks, and no more than
	two should be connected to
	the lower set of four jacks. If
	the trouble no longer occurs
	you have corrected the
	trouble.	.
	Step 2 Check the type of		If the trouble still occurs, go
	voice terminals connected to		to "General Tests" at the end
	the module. If the remaining		of this section before calling
	ports are assigned to voice		the equipment supplier.
	terminals that use two unit
	loads each, overloads may
	still occur. Switch some of
	the voice terminals to other
	modules or power each
	accessory externally with an
	auxiliary 48-volt dc power
	supply.

If the trouble no longer occurs, you have corrected the trouble.

Procedures for Specific Symptoms 4-37