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2.2 Rear Panel
The rear panel of the SGSW-2620 indicates an AC inlet power socket, which accepts input power from
100 to 240VAC, 0.8A, 50-60Hz.
Figure 2-2: SGSW-2620 Switch rear panel
Power Notice:
1. The device is a power-required device, it means, it will not work till it is powered. If your networks should
active all the time, please consider using UPS (Uninterrupted Power Supply) for your device. It will
prevent you from network data loss or network downtime.
2. In some area, installing a surge suppression device may also help to protect your SGSW-2620 from
being damaged by unregulated surge or current to the SGSW-2620 or the power adapter.
2.3 Hardware Installation
2.3.1 Before start up
Before your installation, please refer to the followings for your cabling:
100Base-TX
All 100Base-TX ports come with Auto-Negotiation capability. They automatically support 100Base-TX and
10Base-T networks. Users only need to plug a working network device into one of the 100Base-TX ports,
and then turn on the SGSW-2620. The port will automatically runs in 10Mbps, 20Mbps, 100Mbps or
200Mbps after the negotiation with the connected device.
1000Base-T
The SGSW-2620 is with two Gigabit ports. This two ports support 10Mbps, 100Mbps and 1000Mbps
speed and also are full duplex supported.
1000Base-SX/LX
The SGSW-2620 is with two SFP Mini-GBIC interfaces. This two SFP Mini-GBIC interfaces support full
duplex 1000Mbps speed.
Cabling
Each 10/100/1000Base-T ports use RJ-45 sockets -- similar to phone jacks -- for connection of unshielded
twisted-pair cable (UTP). The IEEE802.3ab Gigabit Ethernet standard requires 4-pair Category 5/5e UTP
cable; IEEE 802.3u Fast Ethernet standard requires Category 5 UTP for 100Mbps 100Base-TX. 10Base-T
networks can use Cat.3, 4, or 5 UTP (see table below). Maximum distance is 100meters (328 feet).
Port Type Cable Type Connector
10Base-T Cat 3, 4, 5, 2-pair RJ-45
100Base-TX Cat.5 UTP, 2-pair RJ-45
1000Base-T Cat. 5/5e UTP, 4-pair RJ-45
1000Base-SX
50/125µm, 62.5/125µm multi-mode fiber ca-
ble
SC
1000Base-LX
50/125µm, 62.5/125µm multi-mode fiber ca-
ble
9/125µm fiber cable single-mode fiber cable
SC
Any Ethernet devices like hubs/ PCs can connect to the SGSW-2620 by using straight-through wires. The
twenty-four-10/100Mbps ports and two Gigabit Switch ports are auto-MDI/MDI-X can be used on
straight-through or crossover cable.
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