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Connecting Procedure
Open the maintenance compartment door.
Step 1
Connect cables to the maintenance
Step 3
compartment.
1
2
1
NOTE
Maximum length of a fiber that can be coiled up in a fiber management tray (FMT): 20 m (for a single bare fiber)
or 1 m (for a single fiber pigtail). If two fibers are used, this length is halved.
The S5720I-6X-PWH-SI-AC does not support 110 V input or 110 V output.
M5 (6 PCS)
2.8 N·m
5
6
3
4
2
5
6
3
4
Step 2
Connect power cables to the power connector.
NOTE
The key for the maintenance compartment door and the
power connector are included in the installation accessory
package that comes with the switch.
WARNING
Never install or remove switches and power cables when the
power is on.
The external power supply system must be connected to a circuit
breaker (20 A is recommended). For safety purposes, do not use a
switch without a circuit breaker.
The internal 110 V or 220 V AC power supply is used only for
external power conversion. It has no circuit breaker, regulated
voltage circuit, or surge protection. Therefore, do not connect
cables when the power is on.
Pay attention to the position of the +/- or L/N labels when
connecting power cables to power sockets. Connect the live wire
of an AC power cable to the socket marked with an L, the neutral
wire to the socket marked with an N, and PE cables to the PE
cable ground terminals in the maintenance compartment.
Ensure no power cables have metal parts exposed to air.
No. Cable Type
Optical fiber/
1
Optical cable
2
Ethernet cable
3
S5720I-6X-PWH-SI-AC:
AC power cable
S5720I-10X-PWH-SI-AC:
DC power cable
4
DC power cable
5
AC power cable
6
AC power cable
8
Live wire
Neutral wire
Screw
Connected Network or Device
Optical network
Ethernet or PoE PD
External 24 V device
External 12 V device, two outputs at most
External 110 V or 220 V device
110 V or 220 V AC power supply that
provides power to the switch
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