5
•
Keep the device far away from radio transmitting stations, radar stations, and high-frequency
devices.
•
Use electromagnetic shielding, for example, shielded interface cables, when necessary.
•
To prevent signal ports from getting damaged by overvoltage or overcurrent caused by lightning
strikes, route interface cables only indoors. If you must route interface cables outdoors, install
network port lightning protectors.
Lightning protection
To better protect the device from lightning, follow these guidelines:
•
Make sure the grounding cable of the chassis is reliably grounded.
•
Make sure the grounding terminal of the AC power receptacle is reliably grounded.
•
Install a lightning protector at the input end of the power module to enhance the lightning
protection capability of the power supply.
Installation accessories
The installation accessories vary by device model.
describes the installation accessories
available for the access controllers.
Table 4 Installation accessories for the access controllers
Accessory WX3508H
WX3510H WX3520H
WX3540H
Cage nut
4, user supplied
4, user supplied
4, user
supplied
4, user
supplied
M6 rack screw
4, user supplied
4, user supplied
4, user
supplied
4, user
supplied
M4 mounting
bracket screw
4 N/A N/A
N/A
M3 mounting
bracket screw
N/A 8
8
8
Rubber feet
1 set
1 set
1 set
1 set
Grounding
cable
1 1 1
1
Console cable
1 1 1
1
AC power cord
1 N/A N/A
N/A
Bail latch
1 N/A N/A
N/A