ZiLOG Z8018500ZCO User Manual page 40

Z
ILOG
Serial Interface Jumper Settings (Continued)
ASCI0 Signals
Pin
Jumper Numbers
J7 4–5
J7 5–6
Modem Control Signals
J14 allows jumpering between modem control inputs and outputs for J10-13 as shown below.
Pin
Jumper Numbers
J14 8
J14 10
J14 12
J14 14
4-4
Description
To use ASCI0 CKA0 as an input from J12 or J13.
To use ASCI0 CKA0 as an output on J12 or J13.
Description
"DSR" input from J10 or "DTR" input from J11.
"DCD" output to J11.
"DTR" output to J12 or "DCR" output to J13.
"DSR" input from J12 or "DTR" input from J13. J14-16 is
"DCD" output to J13.
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