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ModellA
Example: 13 Category B terminals and 17 Category A terminals would be specified
as 13 and 19, respectively. Figure 3-1 shows the relationship and the ways to specify
the various Category A and B terminal quantities. Note that, when Category A
terminal adapters are added or removed, the host-recognized address of port BO
changes.
112 Number of Category A Terminals
Enter a 2-digit number (08 to 32) specifying the number of Category A terminals that it
is possible to attach to your 3274. (The actual number you have attached at any given
time may be fewer than this number.)
Number of Category A Terminals
Quanti ty
_.
Base
..
...
A1
...
-
A2
.. -
A3
..
--
-
-
-
-
...
~
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 3031. 32
0
Specify: A08 and BOO
Specify: A 16 and BOO
Specify: A24 and BOO
Specify: A32 and BOO
1
BO=3
I
2
Specify:
Specify:
Specify:
Specify:
BO=30*
3
A08 and B04
A16 and B04
A24 and B04
32-B=A
BO=29*
4
BO=08*
BO=16*
BO=24*
BO=28*
5
BO=27*
6
Specify:
Specify:
Specify:
BO=26*
7
A08 and B08
A16 and B08
A24 and B08
aO=25*
8
BO=08~
BO=16*
BO=24*
9
BO=23*
10
Specify:
Specify:
Specify:
BO=22*
11
A08 and B12
A16andB12
32-B=A
BO=21 *
12
BO=08*
BO=16*
BO=20*
13
BO=19*
14
Specify:
Specify:
BO=18*
15
A08 and B16
A16 and B16
BO=17*
16
BO=08*
BO=16*
B4
g
Adapter Type
*The host-recognized port addresses are sequential with the first Category A port (port AO) always being
address 0 (with the exception of SNA, which is always 02). The first Category B port (port BO) is always
the next sequential address after the last Category A port.
Figure 3-t. 3274 ModellA Category A and B Terminal Quantity Relationships
Not
Permitted
Adapter
Type
1
*
Chapter 3. Preparing to Customize
3-5
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