W-4U1P1A   4 Port USB HUB + 1 Parallel + 1 Audio

• 4 downstream ports
• 1 IEEE-1284 print port
• 1 Audio out port
• 1 Upstream port
• Power Supply: Self power supply
• Total Working Current (Max.): 2.1A
• 1 Upstream port power supply (Max.): 500MA
• 4 Downstream port power supply (Max.): 2A
• Defined Current Range for Downstream ports: 0.5A
• Plug and Play
• Extend Distances: 5M
• Operating Temperature: 0 ^oC to 70 ^oC
• LED Indicators: 4 (1 for each port)
• LED Function: Over current display
• Over current protection
• Protection type: Poly Switch (On/Off HUB power)
• Protection time:
  500MA............18 seconds
  1.0A................10 seconds
  2.0A................0.2 seconds
  Short...............0.2 seconds