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REMOTE REL 352
IKEY OUT
REMOTE IKEY
POLARITY
OUTPUT FROM
uPROCESSOR
INVERTED
NORMAL
JMP6
LOCAL & REMOTE TCF-10B
TCF-10B
INVERSION
AND DELAY
TCF KEY
TCF MARK OUT
INPUT
TCF SPACE OUT
CHANNEL FAILURE
INPUT
Figure 2 . Signal Polarity
LOCAL REL 352
REL 352
MARK 1 INPUT
MARK 1 POLARITY
OPTO-COUPLER
INVERTED
INVERSION
NORMAL
JMP4
SPACE 1 POLARITY
OPTO-COUPLER
INVERTED
INVERSION
SPACE 1 IN
NORMAL
JMP5
REL 352
SPACE 1 INPUT
CHANNEL FAILURE POLARITY
OPTO-COUPLER
INVERTED
INVERSION
NORMAL
JMP1
MARK 1 IN
CF
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