Installation guide

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c. Connect the SG unit to your LAN if you have not already done so:
 If you are setting up the SG300, connect PCs and/or your LAN
hub directly to its LAN switch.
 If you are setting up the SG560, SG565 or SG580 and have
configured its switch as 4 LAN Ports, connect PCs and/or your
LAN hub directly to switch A.
 If you are setting up the SG560, SG565 or SG580 and have
configured its switch as 1 LAN Port, 3 Isolated Ports, connect
port A1 directly to your LAN hub.
 Otherwise, connect the LAN port directly to your LAN hub.
Step 7 — Set up the PCs on your LAN
Each PC on your LAN must now be assigned an appropriate IP address,
and have the SG unit's LAN IP address designated as its gateway and
DNS server. A DHCP server allows PCs to automatically obtain these
network settings when they start up. If your network does not have a DHCP
server, you may either manually set up each PC on your network, or set up
the SG unit's DHCP server.
 [Recommended] To use the SG unit's built-in DHCP server, proceed
to Step 7a — Automatic LAN configuration using the SG DHCP
server on page 18.
 If your LAN already has a DHCP server you will use instead of the SG
unit's built-in DHCP server, proceed to Step 7b — Automatic LAN
configuration using an existing DHCP server on page 19.
 If you do not want to use a DHCP server, proceed to Step 7c —
Manual LAN configuration on page 20.
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