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CAUTIONTOPREVENT D AMAGE
DUETO ELECTROSTATIC
DISCHARGE,
AVOIDTOUCHING COMPONENTS
ONTHISPCBOARD.
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PROGRAMMING JUMPERS
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0
IN-LINEFUSENO.
60-12=
-
FUSE NO. 90-21
COMPUTER CONNECTION +f-,&?
3A,32V
JACK
/
TO 24 HR.
120VAC
60tiz,
0.5A
BAITERY (–)
No.7S20SE
T RANSCEIVER (COVER. REMOVED)
IMPORTANT:
If upgrading the software to version 7.02 or higher for a previously
installed unit, the last resistor (next to the diode) in the resistor row below the
programming jumpers on the Interface board must be jumpered. This jumper
albws the usa of the 7720P for prog rammingthe 7920SE Transceiver.
- 35-
JUMPERS
C&lPUTER
JACK
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