IBM 3270 Manual page 58

3276 Switch Settings Form
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 toward you. The drawer will stop and latch at the first stop. (If the 3276 has
the Address Keylock feature, insert the key into the lock and turn the key clockwise until it stops.I 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.
Exceptions: The Primary Line Speed/Secondary Line Speed and the SNBU switches can be changed while power is on.
1 2
For Loop Adapter feature machine only
0
Set the A switches to the ON or
0
Set the B switches to the ON or
0
Set the B switch positions
6, 7,
OFF positions checked in the OFF positions checked in the
and
8
to the ON or OFF positions
table below.
table below.
checked in the table below.
LM-......__ l'lll
BSC
'
.
or
I
D
•,
[
0
•
t
LlJf
o•
--n1
I I I
.
SDLC
Lo~,
' 3 4
s
6 7
•
[OFF •
[~rn
OFF
-+ \]
Lor~
, '
3 '
s
6
7
•
[o•
t
LJJ[o•
--n
[o•
t
Ll
Jo•
--n
[OFF •
GJ
][OFF
-+ \]
Quick reference of switch settings for
lo". GJJlo" -..\]
\
.
line speed selection is located below the
·~
B switch in the Operator Panel Drawer.
~.
r
(U.S. and Canada Only)
System
Machin"
3
v
Check Check
Test
D
Set the Transmit Level
012345678 @ @ @
?
OD DOD ODO
switches (-1dB, -2dB,
F
-4dB, and -BdB) to the
ON or OFF positions B
r - -
Primary @T~'5"'
checked in the tables
012345678
err
Line Speed
System
below.
N
~
00000000
Secondary
F
t---' Line Speed
~
Transmit Level
,....,.-,
,.------.,
-1 -2
-1
dB
-2
dB
u
Communicate
D1
SDLC
OFF
E)
ON
g
N·Qg
Local
BSC
On
.....____.
,~
~
-4
dB
-8
dB
~
err
SNBU
D
OFF
E:)
•6Jld
ON
G;J
Non-Switched
---_i_:--y-
Line
L
~
£._
........
4
5
6
7
For Loop Adapter feature
I
PAI
=t~
SNBU
l
I
SDLC
I
I
machine only
SEC
Non-Switched Line
l
I
Communicate
I I
BSC
D D
D
Local
Set the Primary/
Set t!Je SNBU/Non- Set the SDLC/BSC
0Set the Communicate/
Secondary Line
switched Lme
switch
switch to the SDLC
Speed switch to the
to the SNBU (uµ) or
- (up) or the BSC
Local switch to the
Primary (up) or the
the Non-Switched
(down I position
Communicate (up) or
Secondary (down)
Line (down)
checked in the Local (down) position
position checked in
position checked in
table above.
checked in the table
the table above.
the table above.
above.
47