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2.3.5 *FireWire (IEEE1394A) Pin Header: *J148/*J149
2.3.6 Buzzer/External Speaker Header: J14
Description
Warning: Both 1394 header and 1394
cable connector are colored black in
order to distinguish from USB header
which is colored blue. Please be aware
that incorrect installation may harm
the device.
Note: J148 & J149 are only available on
S2877ANRF version
Pin #
Close Pin3 and Pin4 (Default)
Enable onboard buzzer
Open Pin3 and Pin4
Disable onboard buzzer or connect
to chassis speaker
15
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Signal
Pin
Pin
#
TPA+
1
GND
3
TPB+
5
+12V
7
KEY
9
10
Signal Description
1
Speaker+
2
3
Buzzer-
4
Speaker-
Signal
#
Description
2
TPA-
4
GND
6
TPB-
8
+12V
GND
PIN1
NC
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