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Models IC and SIC
Example: 13 Category B terminals and 17 Category A terminals would be specified
as 13 and 19, respectively. Figure 3-5 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
en
iii
c
.~
G)
~
m
>
C
f
a
...
0
j
E
:I
2
(does not apply to 51 C)
Quantity
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.) (Although not asked for the SIC, the number is
shown on the modify frame with 08 filled in.)
Number of Category A Terminals
Adapter
Base
A 1
A2
A3 - - -.......
Type
2
3
4
5
6
7
B
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
o
Specify: A08 and BOO
Specify: A16 and BOO
Specify: A24 and BOO
Specify: A32 and BOO
~------------------r------------------r---------------
__
--r-~--~----------~
Note: The 51C is limited
t
to 8
A devices and 4 8
devices.
2
Specify:
Specify:
Specify:
Specify:
B1
H
A08 and B04
A16 and B04
A24 and B04
32-B=A
BO=24*
BO=08*
BO=16*
Specify:
Specify-:
Specify:
H
A08 and B08
A16 and B08
A24 and B08
BO=08*
BO=16.*
BO=24*
BO=23*
B3
Specify:
Specify:
Specify:
Not
H
A08 and B12
A16 and B12
32-B=A
Permitted
12
80=08*
BO=16*
13
14
Specify:
Specify:
B4
A08 and B16
A16 and 816
g
16
BO=08*
BO=16*
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 3·5. 3274 Models lC and SIC Category A and B Terminal Quantity Relationships
Otapter 3. Preparing to Customize
3-19
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