AT&T MERLIN 820 User Manual

Trouble on an Accessory
CONTROL UNIT
TO
EXTRA-ALERT
BELL OR HORN
KS-23053, L5
ON/OFF
SWITCH
TO
EXTRA-ALERT
BELL OR HORN
170A
CARTRIDGE
(TYPE III)
EXTRA-
ALERT
JACK
D4CH
MODULAR LINE
CORDS
Figure 46—Bypassing ON/OFF Switch
Step 6.
Locate a substitute extra-alert device known to be in working condition.
IF
THEN
You have a substitute extra-alert
Go on to Step 7.
device known to be working prop-
erly,
You do not have a substitute
Call your equipment supplier for
extra-alert device,
help.
Step 7.
Unplug one malfunctioning extra-alert device from the ac power outlet, if
required.
Step 8.
At the malfunctioning extra-alert device, disconnect the modular line cord
coming from the Type III Cartridge.
Step 9.
Connect the substitute extra-alert device to the modular line cord coming
from the Type III Cartridge.
Page 92

AT&T MERLIN 820 Specifications

General

Brand	AT&T
Model	MERLIN 820
Category	Conference System
Language	English