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2. Number of station, paging zones and links
Composition
of exchange(s)
Without tielines
2 exchanges
3 exchanges
* The links within own exchange as well as the tieline links are used in
each tieline communication.
3. Numbering for stations and paging zones
Type of
exchange
Single
Exchange
(EX-1)
Exchange
"A"
(Ex-2A/3A)
Exchange
"B"
(Ex-2B/3B)
Exchange
"C"
(EX-3C)
Numbering for stations
Model
EX-510
Ex-520
EX-510
EX-520
EX-510
EX-520
EX-510
EX-520
Without Paging
200~263
200~327
200~247,
200~311,
470~517,
470~581,
740~787,
740~851,
256~263
320~327
526~533
590~597
796~803
860~867
with
paging
7 zones
per
exchange
200~255
200~319
200~247
200~311
470~517
470~581
740~787
740~851
With
paging
15 zones
per
exchange
200~247
200~311
Numbering for paging zones
Paging zone
per exchange
All call
0
00
Zone page
1~7
01~07
08~14
15~21
Paging 15 zones
per exchange
All call
00
Zone page
01~15
Maximum
number
of links
within
own ex-
change
12
16
12
*
16
*
12
*
16
*
Number
of
exchange
Maximum
number
of
paiging
zones
All call
+15zones
All call
+7zones
All call
+14zones
All call
+7zones
All call
+21zones
Maximum number of stations
Without
Paging
64
128
56
120
48
112
56
120
48
112
112
240
96
224
56
120
48
112
168
360
144
336
1
1
8
2
1
3
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