IBM NuPRO-630 Manual page 25

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CN18 : Serial Port 10-pin Header (COM2)
l
PIN NO.
1
3
5
7
9
DATA CARRIER DETECT
RECEIVE DATA
TRANSMIT DATA
DATA TERMINAL READY (DTR)
GROUND
DATA SET READY
REQUEST TO SEND
CLEAR TO SEND
RING INDICATOR
DESCRIPTION
DCD
RXD
TXD
DTR
GND
(DCD)
(RXD)
(TXD)
(GND)
(DSR)
(RTS)
(CTS)
(RI)
PIN NO. DESCRIPTION
2 DSR
4 RTX
6 CTX
8 RI
10 NC
Connection 3-7