UltraPort Serial Adaptors User Guide
Host card back panel connectors and pinouts
Page 109
Chapter 3 Cabling information
3
RI4
RTS4+
NC
4
RTS4
RTS4-
NC
5
DCD4
CTS4-
NC
6
DTR4
TXD4+
TXD4+/RXD4+
7
DSR4
RXD4-
RXD4-
8
TXD4
TXD4-
TXD4-/RXD4-
9
S-GND
S-GND
S-GND
10
TXD3
TXD3-
TXD3-/RXD3-
11
DSR3
RXD3-
RXD3-
12
DTR3
TXD3+
TXD3+/RXD3+
13
DCD3
CTS3-
NC
14
RTS3
RTS3-
NC
15
RI3
RTS3+
NC
16
CTS3
CTS3+
NC
17
RXD3
RXD3+
RXD3+
18
RXD2
RXD2+
RXD2+
19
CTS2
CTS2+
NC
20
RI2
RTS2+
NC
21
RTS2
RTS2-
NC
22
DCD2
CTS2-
NC
23
DTR2
TXD2+
TXD2+/RXD2+
24
DSR2
RXD2-
RXD2-
25
TXD2
TXD2-
TXD2-/RXD2-
26
S-GND
S-GND
S-GND
27
TXD1
TXD1-
TXD1-/RXD1-
28
DSR1
RXD1-
RXD1-
29
DTR1
TXD1+
TXD1+/RXD1+
30
DCD1
CTS1-
NC
31
RTS1
RTS1-
NC
32
RI1
RTS1+
NC
33
CTS1
CTS1+
NC
VHDCI-68
Ultra SCSI
Pin Number
EIA-232
EIA-422
EIA-485