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NTI PRIMUX MATRIX KVM SWITCH VIA CAT 5
NULL MODEM CABLE PINOUTS
A 6 foot null modem cable (NTI # DINT-6-FF) was supplied with your PRIMUX User Station.
the PRIMUX Matrix KVM Switch to a terminal.
PRIMUX to Terminal (9 PIN) null modem cable
PRIMUX
9 pin
Signal
Function
Pin #
Direction
RxD
2
TxD
3
CTS
8
N/C
RTS
7
N/C
DSR
6
N/C
DTR
4
N/C
DCD
1
N/C
SG
5
N/C= not connected (no cable wire)
In this cable signals CTS and RTS are connected to each other at the connector ends, and
signals DSR, DTR, and DCD are connected to each other at the connector ends.
1
3
4
2
6
7 8
Mating Face
of 9D
Male Connector
Note: Cable length not to exceed 15ft.
The information below is provided should you need to make a longer cable.
TERIMINAL
9 pin
Pin #
Function
3
TxD
2
RxD
7
RTS
8
CTS
4
DTR
6
DSR
1
DCD
5
SG
5
9
PRIMUX to Terminal (25 PIN) null modem cable
PRIMUX
9 pin
Function
Pin #
RxD
2
TxD
3
CTS
8
RTS
7
DSR
6
DTR
4
DCD
1
SG
5
13
25
Mating Face
of 25D
Female Connector
61
This cable is also used to connect
TERMINAL
Signal
25 pin
Direction
Pin #
Function
2
TxD
3
RxD
N/C
4
RTS
N/C
5
CTS
N/C
20
DTR
N/C
6
DSR
N/C
8
DCD
7
SG
1
14
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