Symbol PTC-870IM User Manual page 60

Figure 10. RS-232 (Type II)-to-PTC cable, P/N 12705-XX2
RS-232 Type II
TXD 2
RXD 3
DSR 6
GND 7
CD 8
N.C.
DTR 20
RI 22
PTC-870IM
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 DIGND
8 CD
9 DS0
10 DTR
11 RI
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