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3.1.Connection to a Simplex 4020 Panel
Communication Board
Chip4100 RS2120 |
Card4020/RS232/2120modemready |
assembly. |
Terminal Block Markings
PortA=15,PortB=610.
1=+com(xmt). 2=+com(rts), 3=com(rcv), 4=com(cts), 5=gnd, 6=xmt, 7=rts, 8=rcv, 9=cts, 10=gnd,
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