1-4 
  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. 
Laser safety 
 
! 
The switch is Class 1 laser device. 
Disconnected optical fibers or transceiver modules might emit 
invisible laser light. Do not stare into beams or view directly with optical instruments when the switch 
is operating. 
 
Installation tools 
No installation tools are provided with the switch. Prepare the following tools yourself as required: 
  ESD wrist strap 
  Flat-blade screwdriver 
  Phillips screwdriver 
  Needle-nose pliers 
  Diagonal pliers 
  Crimping tool 
  Marker 
  Heat gun