Installation Manual
H3C AR 18-2X Series Routers
Chapter 2 Installing the Router
2-2
socket, making sure that the neutral point is well connected
to building ground.
z
Make sure the correct voltage is used.
z
Put a lightning arrester at the front end of the power input to
enhance its lightning protection. To this end, put a special
lightning arrester at the front end of signal cables that are led
outdoors, such as ISDN, telephone, and T1 cables.
z
Do not open the chassis when the router is operating or
when electricity hazards are present to avoid electrical
shocks. Before you open the chassis, obtain the permission
of your sales agent.
z
Correctly connect the interface cables. Do not connect a
telephone cable (including the ISDN cable) to a serial port.
z
Do not hot swap any cable.
2.2 Installing the Router
You can place your router on a sturdy tabletop or workbench,
mount it on a vertical surface, or install it on a rack.
2.2.1 Placing the Router on a Tabletop/Workbench
When placing the router on a tabletop or workbench,
z
Make sure that the tabletop or workbench is clean, flat, and
sturdy.
z
Allow 10 cm (3.9 in.) of clearance around the sides of the
chassis.
z
Do not stack multiple routers together.
