HP A6616 Installation Manual page 61

Ensure the PGND cable of the chassis is well grounded. Refer to "Connecting the PGND

Cable" in Chapter 4 "Installing the Router".
Ensure the grounding terminal of the AC power socket is well grounded.

Install a lightning arrester at the input end of the power supply to enhance the lightning

protection capability of the power supply.
Install a special lightning arrester at the input end of outdoor signal lines (for example, E1 line)

to which interface modules of the router are connected to enhance the lightning protection
capability.
For the installation of a power lightning arrester and a signal lightning arrester, refer to
"Installing a Power Lightning Arrester (Lightning Protection Busbar) (Optional)" and "Selecting
and Installing a Signal Lightning Arrester (Optional)" in Chapter 4 "Installing the Router".
Cabinet-Mounting Requirements
When installing the router in a cabinet,
Install the router in an open cabinet if possible. If you install the router in a closed cabinet,

make sure that the cabinet is equipped with a good ventilation system.
Install the router on a shelf in view of the heavy weight of the router.

Make sure that the cabinet is sturdy enough to support the weight of the router and installation

accessories.
Make sure that the size of the cabinet is appropriate for the router, and that there is enough

clearance around the left and right panels of the router for heat dissipation.
For the sake of heat dissipation and device maintenance, it is recommended that the front and

rear of the cabinet should be at least 0.8 m (31.5 in.) away from walls or other devices, and that
the headroom in the equipment room should be no less than 3 m (118.1 in.).
Safety Precautions
Installation and removal of the unit and its accessories must be carried out by qualified
personnel. You must read all of the Safety Instructions supplied with your device before
installation and operation.
Installation und Ausbau der Anlage und ihrer Zubehörteile müssen von qualifiziertem Personal
realisiert werden. Sie müssen vor der Installation oder Bedienung allen beiliegenden
Sicherheitshinweise lesen.
负责安装和日常维护本设备的人员必须具备安全操作基本技能。在操作本设备前，请务必认真阅
读和执行产品手册规定的安全规范。