Page 35 - Echotrac E20 SBES

CABLE CONNECTORS

All connector views are the faces of the cable connectors on the rear panel of the E20.

B.1 TX1 and TX2

Pin Signal
1 Ch B+ (low freq.)
3 2 Ch B- (low freq.)
2 4
3 Shield
1 5 4 Ch A+ (high freq.)
5 Ch A- (high freq.)

Note: Connectors TX1 and TX2 are connected in parallel.
Connect only 1 transducer for each pair.

B.2 COM Ports

Pin Signal
1 RS-232 out

3 4 2 RS-232 GND
3 RS-232 in
2 1 4 Shield

B.3 SYNC

Pin Signal
1 Trig out
3 4 2 Trig in/out GND
3 Trig in
2 1 4 Shield

B.4 Power

Pin Signal
1 Protection Earth
(chassis)
3 2
2 GND
1 3 10-30VDC

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