Network Technologies SM-8X4-HDA ユーザーズマニュアル
NTI AUDIO/HD VIDEO MATRIX SWITCH
30
RS232 CONNECTION CABLES
Pinout of RS232 port on VEEMUX-A
The VEEMUX-A RS232 serial port is a DB-9F (female) connector configured as a DCE (data communication equipment) port. The
RS232 port interface signals are listed below, including equivalent CCITT V.24 identification, and signal direction:
RS232 port interface signals are listed below, including equivalent CCITT V.24 identification, and signal direction:
DB-9F
pin #
Common
name
EIA
name
CCITT
name
Function
Direction
1
N/a
N/a
N/a
No connection
--
2
TxD
BA
103
Transmit Data
Output
3
RxD
BB
104
Receive Data
Input
4
DSR
CC
107
Data Set Ready
Input
5
SG
AB
102
Signal Ground
–
6
DTR
CD
108.2
Data Terminal Ready
Output
7
CTS
CB
106
Clear To Send
Input
8
RTS
CA
105
Request To Send
Output
9
N/a
N/a
N/a
No connection
--
Pinouts for typical DCE to DTE cable for CPU connection
VEEMUX (DCE) to 9 PIN DTE (PS2 or SUN) VEEMUX (DCE) to 25 PIN DTE (MAC)
VEEMUX
PS/2 or SUN CPU
VEEMUX
MAC CPU
9 pin
Signal
9 pin
9 pin
Signal
25 pin
Function
Pin #
Direction
Pin #
Function
Function
Pin #
Direction
Pin #
Function
RxD
3
3
TxD
RxD
3
2
TxD
TxD
2
2
RxD
TxD
2
3
RxD
CTS
7
7
RTS
CTS
7
4
RTS
RTS
8
8
CTS
RTS
8
5
CTS
DSR
4
4
DTR
DSR
4
20
DTR
DTR
6
6
DSR
DTR
6
6
DSR
SG
5
5
SG
SG
5
7
SG
1
Mating Face
of a 9D Male
of a 9D Male
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
13
12
11
10
14
15 16 17
18
19
20 21
22 23 24 25
Mating Face of DB25 Male
9 PIN
DTE
9 PIN
DTE
VEEMUX
PS/2 or SUN CPU
MAC CPU
25 PIN DTE
9 PIN
DTE
VEEMUX