3276 Switch Settings Form; Figure D-6. Example Of A Completed 3276 Switch Settings - IBM 3270 Manual

3276 Switch Settings Fonn
The operator panel drawer is located to the right of the display screen. To gain access to the switches, grasp the top of the drawer
in the recess. Push it slightly to the right, and pull it tQward you. The drawer will stop and latch at the first stop. (If the 3276 has
the Address Keylock feature, insert the key into the
lo~k
and turn the key clockwise until it stops.) Press spring (located on the
lower left side of the door), and continue to pull until the drawer stops again. After you have set the switches according to the
chart below, push the drawer back to its closed position. (If the 3276 has the Address Keylock feature, turn the key counter-
clockwise and remove the key.)
0
Switch off the 3276 power.
O
Set the 3276 Operator Panel Drawer switches to the positions that are checked in the tables on this page.
DO NOT Set any switches that are associated with any tables that are crossed out.
0
Switch on the 3276 power.
DO NOT Change the position of switches while power is on. Changing a switch position while power is on has no effect.
1
Exceptions: The Primary Line Speed/Secondary Line Speed and the SNBU switches can be changed while power is on.
(g
Set the A switches to the ON or
OFF positions checked in the
table below.
SOLC
2
fil
Set the B switches to the ON or
OFF positions checked in the
table below.
For Loop Adapter feature machine only
fil
Set the B switch positions 6, 7, ,
and 8 to the ON or OFF positions
checked in the table below.
Quick reference of switch settings for
line speed selection is located below the
B switch in the Operator Panel Drawer.
(U.S. and Canada Only)
~
. . . . . - - - - -
~-A---.
3
o
set the Transmit Level
~=B~ooanooo
v
System Machine
Check Check
Test
switches (-1dB, -2dB,
-4dB, and -8dB) to the
ON or OFF positions
checked in the tables
below.
,..,..-
-1 -2
OFF
E)
[y
ONG;)~
~
-4 -8
OFF
E:)
lS:j
ON
Qjy
4 5
I
:;~
I I
g
Set the Primary/
Secondary line
Speed switch to the
Primary (upl or the
Secondary (down)
position checked in
the table above.
@@@
r---
Primary
o
1 2 3 4 5'6 7
s
err
Line Speed
~ t~~.~~~'O'~~.. •1.--__,..t.~-~~-~-~a_::_d--;::::-.---:-l
I \1 . . . . . . . _,
OB -2 OB
IT
CommookoW
L:J
SDCC
61
Test Sub
L!:!J
System
I\
.Q
Q
Local
u
BSC
On ......._ ,___
-4 dB -8 dB ,.----,
J
•bJ
bJ
TI1
:::~witched
D
~:r''""
L
SNBU
I
Non-Switched Line
J
isl
Set the SNBU/Non·
switched line switch
to the SNBU (up) or
the Non-Switched
line (down)
position checked in
the table above.
~
/-
6 7
For Loop Adepter fHture
I
s
8
o
5
cLc
I I
m.chine only
. _ . I
Communicate
Local
Set the SOlC/BSC
'Switch to the SDLC
(up) or the BSC
(down) position
checked in the
table above.
fil'Set the Communicate/
Local switch to the
Communicate (up) or
Local (down) position
checked in the table
above.
Figure D-6. Example of a Completed 3276 Switch Settings Form
46
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