Checking The Transceiver Boards; Figure C-32: Low Voltage Power Supply Connector Pinouts; Figure C-33: Transceiver Board - Klein 3000 Series Operation And Maintenance Manual

+200 VDC
Gnd
Figure C-32:
C.6.12 Checking the Transceiver Boards
Before checking the Transceiver boards, make sure the Multiplexer board is
functioning properly. A Transceiver board is shown in Figure C-33. Next, verify
the following voltages on the Transceiver board:
• +15 VDV on pins 23 and 24
• -15 VDC on pins 27 and 28
• +5 VDC coming into the board on pins 35 and 36
• +5 VDC on board + side of C8 (See Figure C-34.)
• -5 VDC on board - side of C9 (See Figure C-34.)
• +200 VDC on pins 1, 2, 3, 4, 5, and 6
Low Voltage Power Supply Connector Pinouts
Transceiver Board
Figure C-33:
C-33
Towfish
+15 VDC
Gnd
Gnd
-15 VDC
+5 VDC
Gnd