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Bell 801A PBX Method Of Operation page 9

Attendant and station equipment

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-0
Q
ca
(t
-e
TABLE B (Cont)
INCOMING CENTRAL OFFICE TRUNK CALL
CONDITION
RESULTS
CONSOLE A
CONSOLE B
S
T
ACTION
KEY
LAMPS
REMARKS
LAMPS
E
P
DESIG
OPR
CO
RD
CO
RD
TRK
TRK
TRK
TRK
Attendant Releases With Trunk Connected to a Register
26
Atnd releases
POS
0
@
e
CO trunk on hold
@
e
RLS
Busy tone silenced
27
Atnd reenters held trunk
CO
0
0
e
Conversation between atnd and calling
0
e
TRK
party satisfactory
28
Atnd and calling party release
POS
0
e e
Atnd console and CO trunk restored to
e e
RLS
idle condition
Call Extended to Station With Camp-On
29
At one PBX station -
e e
Two DSS lamps steadily lighted
e e
Complete a station to station call
30
Repeat Steps 1 through 3
0
e
0
e
31
Atnd dial tone connection
START MO
0
e
Dial tone heard by atnd
0
e
If first station not in hunting group ---
32
Atnd dials code of first busy station
CD
e
Atnd, first, and second station hear
0
e
audible camp-on tone
33
Atnd releases
POS
0
CD
e
CD
e
RLS
34
Repeat Steps 1 through 3
0
e
CO trunk in Steps 34 through 39 is second
0
e
incoming' trunk
35
Atnd dial tone connection
START MO
0
e
Dial tone heard by atnd
0
e
36
Atnd attempts to camp-on second incoming
Dial tone silenced
trunk cal lon first station -
CD
e
0
e
Dials code of first busy station
Busy tone heard by atnd
;;;
en
~
en
In
n
...
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UI
W
I
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