3.7.3
From DSP Daughter Board at Rear of
PC Tower
&I
Headbox Connector
26 pin High Density
(see )
Pin No.
Service
1
0V
2
N/C
3
–12V
4
–12V
5
RS232_TO_HB
6
DATA
7
CLOCK
8
FRAME
9
N/C
10
N/C
11
+12V
12
N/C
13
0V
14
0V
15
N/C
16
+12V
17
+12V
18
RS232_FROM_HB
19
/DATA
20
/CLOCK
21
/FRAME
22
/BOX PRESENT
23
N/C
24
–12V
25
N/C
26
0V
3.7.4
Connections From Connection Box
9
Footswitch
9 way D type socket
Pin No.
Service
1
N/C
2
N/C
3
Acquire
4
Accept
5
0V (Footswitch)
6
N/C
7
Program
8
N/C
9
N/C
r
External Loudspeaker
2 pin DIN
Pin
Service
Small
Audio signal†
Large
Audio signal†
† These outputs are differential and do not have a
ground reference.
t
EMG Stim 1 (A) External
9 way D type socket †
Pin No.
Service
1
+12V
2
RS232 to Stim 1
3
RS232 from STIM 1
4
EMG positive trigger
5
0V
6
0V
7
EMG negative trigger
8
Stim OK
9
Sync
† This socket will not be connected inside the
Connection Unit if an internal EMG stimulator
board is installed in the Control unit and two
external stim probes have been purchased. See
Issue A May 1998
INSTALLATION AND OPERATION
Chapter 3 Page 12
Synergy Mobile Workshop Manual
1
13
14
26
Figure 3-5Pinout of headbox connector