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Control — MLS Switcher
(MLS RS-232 Port)
123
GROUND
+V OUT
CM
GROUND
SCP
GROUND
A B C D E
COMM LINK
AB
MLS
RS-232
POWER
12V
DIGITAL
I/O
IR IN
Tx
GROUND
Rx
+12V IN
PRESS TAB WITH
TWEEKER TO REMOVE
LAN
PRE
SS
TAB WIT
H
TWEEKER T
O
REM
O
V
E
L
A
N
GROUND
POWER
POWER
12
V
+
12
V
IN
1
2
3
G
ROUND
+
V
OU
T
CM
G
R
OU
ND
SC
P
A B C D E
ABCDE
CO
MM LINK
DIGITAL
DIGITAL
I/O
IR
IN
Ground ( )
Transmit (Tx)
B
Receive (Rx)
A
Transmit (Tx)
Receive (Rx)
B
A
MLC/IR
ABC
Rear Panel
MLC/IR port
on MLS Switcher
Heat Shrink
Over Ground
or Drain Wires
Select RS-232 protocol via software or SIS
command. Signals are bidirectional, ±5 V.
RS-232 default protocol:
• 9600 baud • 8 data bits • 1 stop bit
• no parity • no flow control
NOTES:
• You must connect a ground wire
between the MLC and MLS.
• If you use cable that has a drain wire,
tie the drain wire to ground at both ends.
MLS Switcher RS-232 Port
MLC
Right
Side
Panel
Power
123
GROUND
SCP
GROUND
D E
LINK
AB
MLS
RS-232
POWER
12V
DIGITAL
I/O
IR IN
Tx
GROUND
Rx
+12V IN
PRESS TAB WITH
TWEEKER TO REMOVE
LAN
PRE
SS
TAB WIT
H
TWEEKER T
O
REM
O
VE
LAN
1
2 3
G
R
O
UND
SCP
D E
DE
LINK
A
B
MLS
MLS
RS
-232
DIGITAL
DIGITAL
I/O
IRIN
T
x
G
R
O
UN
D
R
x
Ground ( )
Ground
(ridged)
12 VDC
(smooth)
+12 VDC Input
Ground all devices.
External
Power Supply
(12 VDC, 1 A max.)
3/16"
(5 mm)
Max.
Power Input
• Connect to 12 VDC, 1 A power supply.
• Check the polarity of the power supply
wires before connecting it to the MLC.
• Front panel buttons light when the
MLC receives power.
Right
Side
Panel
Control — LAN (Ethernet)
MAC: 00-05-A6-XX-XX-XX
S/N:
Right Panel
123
GROUND
+V OUT
CM
GROUND
IR OUT
GROUND
SCP
GROUND
Tx
Rx
DISPLAY
RS-232/IR
A B C D E
COMM LINK
AB
MLS
RS-232
POWER
12V
DIGITAL
I/O
IR IN
Tx
GROUND
Rx
+12V IN
PRESS TAB WITH
TWEEKER TO REMOVE
LAN
PRE
SS
TAB WIT
H
TWEEKER T
O
REM
O
V
E
1
2
3
G
R
O
UND
+
V
OUT
C
M
G
R
OU
ND
I
R
OUT
G
R
OU
ND
SCP
G
R
O
UN
D
Tx
Rx
DISPLAY
DISPLAY
R
S
-232
/
I
R
A B C D E
ABCDE
CO
MM LINK
A
B
MLS
MLS
RS
-232
POWER
POWER
12
V
DIGITAL
DIGITAL
I/O
IR
IN
Tx
GROUND
Rx
+12V IN
RJ-45
Connector
Insert Twisted
Pair Wires
Pins:
12345678
Link LED: Lights to indicate
a network connection.
Activity LED:
Blinks to indicate data
is being sent or received.
Ethernet (LAN)
Connect to an Ethernet network with a
straight through cable. This port must be
configured.
Default protocol:
• MLC IP address: 192.168.254.254
• Gateway IP address: 0.0.0.0
• Subnet mask: 255.255.0.0
• DHCP: off
• Link speed and duplex level: autodetected
MA
C Address
(on top
, and
on front panel
)
PC
TCP/IP
Network
Straight-through Cable
(for connection to a switch, hub, or router)
End 1 End 2
Pin Wire Color Pin Wire Color
1 white-orange 1 white-orange
2 orange 2 orange
3 white-green 3 white-green
4 blue 4 blue
5 white-blue 5 white-blue
6 green 6 green
7 white-brown 7 white-brown
8 brown 8 brown
Crossover Cable
(for direct connection to a PC)
End 1 End 2
Pin Wire Color Pin Wire Color
1 white-orange 1 white-green
2 orange 2 green
3 white-green 3 white-orange
4 blue 4 blue
5 white-blue 5 white-blue
6 green 6 orange
7 white-brown 7 white-brown
8 brown 8 brown
NOTE:
You must use this LAN port
to set up the MLC and
upload GC configuration
files and firmware. All
configuration can be
performed via this port.
Both ends use the TIA/EIA T568A wiring standard. Wire end 1 following the TIA/EIA T568A wiring standard,
wire end 2 with the T568B wiring standard.