User manual

VOLKTEK NSH-580 MANAGED 24-PORT 10/100 + 4 G COMBO L3 SWITCH
3.4 Powering On the Unit
The Switch uses an AC power supply 100~240V AC, 50~60 Hz, or DC -48V. The power
on/off switch is located at the rear of the unit, adjacent to the AC power connector and
the system fans. The Switch’s power supply automatically self-adjusts to the local power
source and may be powered on without having any or all LAN segment cables
connected.
1. Insert the power cable plug directly into the receptacle located at the back of the
device.
2. Plug the power adapter into an available socket.
Note: For international use, you may need to change the AC power adapter
cord. You must use a power cord set that has been approved for the
receptacle type and electrical current in your country.
3. Check the front-panel LEDs as the device is powered on to verify that the
Power LED is lit. If not, check that the power cable is correctly and securely
plugged in.
3.5 Installing the SFP modules and Fiber Cable
1) The NSH-580 has 4 Gigabit SFP slots situated under the RS-232 port:
2) Slide the selected SFP module into the selected SFP slot. (Make sure the SFP
module is aligned correctly with the inside of the slot):
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