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Emergency Transfer - Bell 801A PBX Method Of Operation

Attendant and station equipment

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TABLE M (Cont)
EMERGENCY TRANSFER
CONDITION
RESULTS
S
CONSOLE A
CONSOLE B
T
ACTION
KEY
LAMP
REMARKS
LAMP
E
--
P
DESIG
OPR
NITE
NITE
11
At atnd console -
NITE
0
e
At emergency transfer station -
e
Restore PBX to day service
PBX dial tone heard
-
-
12
At emergency transfer station -
e
e
Disconnect from call
--
PBX Not Set For Night Service
13
At PBX cabinet A-
Set PBX to emergency transfer condition -
e
GADA lamp lighted
e
Operate TRA switch
r-~----
14
Repeat Steps 4 through 8
e
e
--
15
At PBX cabinet A -
GADA lamp extinguished
Restore PBX to normal condition -
e
At emergency transfer station -
e
Restore TRA switch
PBX dial tone heard
- - - - - -
16
At emergency transfer station -
e
e
Disconnect from call
iii
en
~
en
m
n
."
-I
Q
(5
co
CD
Z
U1
UI
W
UI
W
I
~
0
...
I
W
0
0

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