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When disable auto-negotiation of ISCOM2126EA-MA Ethernet ports, they are MDI-X ports and can
be connected to PC which has MDI port though straight-through cable.
4.2.3 Connect to power supply
1. For ISCOM2126EA-MA with 220V AC power supply, users please connect 220V AC power
2. For ISCOM2126EA-MA with -48V DC power supply, users please connect -48V DC power
4.3 Making cable
Pin number of RJ45 plug and connector is available in signal Definition of CONSOLE port.
supply with power supply interface on rear panel of the switch. Pay attention that the switch is
powered on once connecting 220V power supply with device since there is no power supply
switch on ISCOM2126EA-MA, make sure the switch has been connected correctly before
connecting power supply.
supply with power supply interface on rear panel of the switch. Pay attention that the switch
won't be electrified after connecting with -48V DC power supply until users turn on the power
supply switch since the ISCOM2126EA-MA has been designed with power supply switch.
Straight through cable (100M)
Side 1
1
2
3 5
4 6
1
2
3 5
4 6
Side 2
100M crossover cable
Side 1
2
3 5
4 6
1
1
2
3 5
4 6
7
Side 2
Side 1
7
8
1 = White/
Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7
8
7 = White/Brown
8 = Brown
Side 1
7
8
1 = White/
Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
8
7 = White/Brown
8 = Brown
Side 2
1 = White/
Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
Side 2
1 = White/Green
2 = Green
3 = White/
Orange
4 = Blue
5 = White/Blue
6 = Orange
7 = White/Brown
8 = Brown
User Manual
7
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