communication ports

• Sub-LAN port Baud Rate: 9,600
• Protocol: Proprietary
• Transport: RS485 multi-drop bus asynchronous, polling (open or closed loop)

network wiring requirements

• Length
  5,000 ft, 1,500m max @ 22AWG
  4,000 ft, 1,200m max @ 24AWG
  
• Cable Size
  22 or 24AWG, 0.35 or 0.25mm2
  
• Impedance: 85 to 150 Ohm
• Capacitance
  <30pF/ft between
  conductors and
  <55pF/ft conductor to shield
• Cable Ttype
  Belden 9184 2pr 22AWG
  Belden 9841 1pr 24AWG
  or equivalent twisted shielded pair

reader wiring requirements

• I\DISC
  2 twisted pair shielded 200ft,
  60m max
  Belden #9184 or 9855
• Wiegand
  8 conductor shielded
  500ft, 150m max
  Belden #9536 or 9537
  
• Wiegand –Prox
  8 conductor shielded, 150-350ft,
  50-100m max (see reader guide)
  Belden #9536 or 9537
  
• ABA 115 & 85
  8 conductor shielded 200ft, 60m max
  Belden #9305 or 8725

hardware details

• Processor: Renesas H8S Series
• Static RAM: 2Mb
  
• Flash Memory: 1/2Mb
  
• RAM Battery backup
  2 x Ni-Mh rechargeable, replaceable,
  30 days backup

environment

• Operating Temperature
  32°F to 122°F, 0°C to 50°C without
  battery-backup 50°F to 100°F,
  10°C to 40°C with lead-acid battery
• Operating Humidity
  10-80% RH, non-condensing
  

battery backup option

• Type
  Sealed Rechargeable Lead-Acid,
  Maintenance Free,
• Capacity
  4AH, 12Vdc 4 hours operation
  min. (excluding lock power, which
  must be provided separately)
  
• Charge Current
  2A max (short circuit), 0.8A typical
  

scu power requirements

• Power Input
  SCU12xx - 24VAC 1.2A max
  SCU12xxE1 or E2 –115Vac 75 VA max
  SCU12xxE3 –230Vac 75VA max
  (50/60 Hz +-15%)
  
• Power Failure Notification
  Standard, internal monitoring of AC
  power input