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Q
c.a
~
00
VI
TABLE R
PBX INTERFACE TRUNK CALL
(See 1.04, 1.05,
1.06,
and
2.03)
CONDITION
REMARKS
CONSOLE A
CONSOLE B
S
T
ACTION
KEY
LAMP
REMARKS
LAMP
E
P
DESIG
OPR
ATND
ATND
TRK
TRK
Attendant Originates Call to PBX Interface Trunk
1
Idle condition
e
e
2
Atnd seizes idle atnd trunk
ATND
a
0
tit
TRK
3
Atnd dial tone connection
START
Ma
0
Dial tone heard by atnd
e
4
Atnd dials access code of PBX
0
Dial tone silenced
e
interface trunk
Second dial tone heard
5
Atnd dials appropriate digital code
0
Second dial tone silenced
e
Audible ringing tone heard
6
Customer-provided equipment ready to
0
Audible ringing tone silenced
e
receive information
7
Atnd transmits information
0
e
8
Atnd releases
pas
a
e
Interface trunk idle
e
RLS
- - - - - - - -
Station Originates Call to PBX Interface Trunk
- - , - - - - - - -
9
At PBX station -
e
PBX dial tone heard
e
Remove handset
10
Dial access code of interface trunk
e
PBX dial tone silenced
e
t(See Note)t
Second dial tone heard
- - - _ . _ -
11
At second PBX station-
e
PBX dial tone heard
e
Remove handset from switchhook
tNote: If attendant control of station dial access to trunk groups feature is provided (24B-, 34B-, or
54B-type consoles are used). TGR-keys should be released, TGR-lamps extinguished.s
en
en
~
en
In
n
...
o
z
CII
CII
W
I
~
o
...
I
W
o
o
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