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Note 1: If the station called is in the process of dialing
when station paging is initiative, paging will not
be heard at that station and the call can be com-
pleted without interference.
Note 2: If a station being paged with station paging is
called by a third party, camp-on-busy will result.
Note 3: If any station in a given zone (zone 1, for example)
pages another zone (zone 2, for example), station
paging to stations in zone 1 results in camp-on-
busy.
Note 4: If station paging priority is used, the station num-
bers within the zone area must be programmed
at station No. 200. This registration is also re-
quired when station paging priority is unnecessary.
For further details, see Installation Hand Book for
EXES-5000 CPU-55.
Note 5: Use of both station paging priority and external
paging: Station paging priority interrupts calls in
stations of zones 1 through 7 for both station and
external paging. If station paging and external
paging are used simultaneously, allocate station
paging to zones 1 through 7 and external paging to
zones 8 through 1 5.
Note 6: Use of both priority station paging and external
paging within 7 zones: When responses are requir-
ed for pirority station paging but not for external
PA paging, No.200 registration of the station
allocation tables for the paging zones should be
done only for station paging. Calls are not inter-
rupted during external paging, in this case.
Station allocation table for paging zones (Example)
Zone
number
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
First station , Last station
number number
201 203
205 207
2-Digit Dialing
Standard numbering for stations is from 200 through 327.
However, station numbers 20 through 99 are available for
systems
with
less
than
80
stations.
1. Operation procedures using 2-digit dialing are the same
as those using 3-digit dialing.
2. Number programming table
Exchange
64-station system
(EX-510)
128-station system
(EX-520)
Paging
Not available
All-call plus 7 zones
(1 Paging Interface Unit)
All-call plus 15 zones
(2 Paging Interface Units)
Not available
All-call plus 7 zones
(1 Paging Interface Unit)
All-call plus 15 zones
(2 Paging Interface Units)
Station
number
64
56
48
128
120
112
3-digit dialing
No.200~263
No.200~255
No.200~247
No.200~327
No.200~319
No.200~311
2-digit dialing
No.20~83
No.20~75
No.20~67
No.20~99
/ Maximum \
\ 80 stations/
Note: PIU: Paging Interface Unit
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