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8910ADA-M/ST/SR — Instruction Manual
Module Configuration
Onboard 8910ADA-M and -ST Configuration
The 8910ADA-M and -ST modules can be configured using the jumpers
and potentiometers shown in
.
These components perform the following:
•
Jumper blocks JP1 and JP2 (8910ADA-ST only) select the output gain
adjustment in increments of 6 dB.
•
Card edge potentiometers R5 and R6 (8910ADA-ST only) provide
greater than 6 dB gain adjustment within the jumper selected range.
•
Jumper JP3 (8910ADA-ST only) can be set to operate an 8910ADA-ST
module in Monaural or Stereo mode.
Note
Change jumper settings only when module is removed from the frame.
Figure 10. 8910ADA-M and -ST Module Configuration Switches and Jumpers
Monaural or Stereo Mode (-ST Module Only)
Set the module output to Monaural or Stereo with the following:
•
Jumper, JP3
STEREO – pins 1-2
MONAURAL – pins 2-3
8156_06
r
1
F1
F2
Gai
n
Ch. 1
pote
n
tiomete
r
Gai
n
Ch. 2
pote
n
tiomete
r
R5
R6*
*R6, JP2, a
n
d JP3 a
r
e p
r
e
s
e
n
t
o
n
s
te
r
eo (
S
T) model o
n
ly.
+30 db
+24 db
+18 db
+12 db
+6 db
0 db
-6 db
-12 db
JP1
JP2*
JP3*
S
tepped Gai
n
Mo
n
a
ur
al/
S
te
r
eo
S
elect
JP3*
2
1
15
16
S
TEREO
MONAURAL
(pi
ns
1-2)
(pi
ns
2-3)
S
TEPPED GAIN 1
S
TEPPED GAIN 2