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NTI NODEMUX MULTI-USER UNIVERSAL KVM SWITCH
21
NTI
SWITCH
CPU
RS232
First Unit
NTI
SWITCH
RS232
NTI
SWITCH
RS232
Second Unit
Last Unit
RS232
Serial Port
Matrix-Y-1
Matrix-Y-1 Matrix-Y-1
Note: The RS232 connection on the switch may only have a single 9 pin "RS232" female connector. In this case, in
order to connect multiple NODEMUX units together, a Matrix-Y-1 cable must be used. (see Figure 15). No loop back
plug will be used with this configuration. See Figure 16 for the pinout of the Matrix-Y-1 cable.
Figure 15- RS232 connection with Matrix-Y-1 cable
Figure 16- Matrix-Y-1 wiring schematic
(Unit #1)
(Source)
23
33
555
22
7
8
1
4
6
Jumper
Jumpers
Not connected to
source connector
(Unit #2)
9D Female9D Male 9D Male
Wiring Schematic of Matrix-Y-1 cable