Secure I/O Relay Box (POE)

Our Secure I/O Relay Box has been specifically designed to work with our CSS series, offering an extra level of security and functionality to the system.


  • Compatible with CSS-R11 for Single or multi doors control structure.
  • Built-in Watch-dog (Watch Dog).
  • Support door sensor detection, short or open.
  • Support Wiegand input, exit button, door sensor, WG reader contacts.
  • CSS-A11 supports POE for easy installation.
  • RS485 communication control relay for providing the high security level. In the emergency mode, when controller is disconnected, exit button still could have function.


  • Model Name : CSS-A11 (POE Power Supply)/ Optional : CSS-A10 (NON-POE version)
  • PoE Standard : IEEE802.3af(15.4W)
  • PoE Received Pin : Support 1/2+、3/6- line pair (Mode A), 4/5+、7/8- line pair (Mode B)
  • PoE Distance : Max 100M
  • PoE Max. Output : DC 12V/1.2A
  • Protocol Standard : IEEE 802.3i;IEEE 802.3u, IEEE 802.3x Flow Control, IEEE 802.3af DTE Power via MDI, IEEE 802.3at DTE Power via MDI
  • Interface Protection : IEC61000-4-2(ESD)±15KV(air), ±8KV(contanc) 8/20us 24A(12A)
  • Wiegand Range : Max 100M
  • Relay Power Requirement : Max DC 30V 3A (Doesn't support AC POWER)
  • Dimension : 105.05 x 71.75 x 28.3 mm Weight : 135g

CSS-A10 Installation

CSS-A11 Installation

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