The efficient ZKTeco AHEB-0808 IO Expansion Board, AHEB Series can communicate with AHSC1000 or AHDU series controllers through OSDP V2.2 over RS-485. The communication is secured with AES128/TLS 1.2 (with AES256) encryption. Communications between the Armatura One server and web client are protected by HTTPS/TLS1.2 (AES256) or above. 

"OSDP I/O Expansion Board

• 1*RS-485
• 8*supervised input (AUX IN)
• 8*relay output (AUX OUT)
• 1* power Input (PWR IN)
• 1*power output (PWR OUT)
• 1*power detection (AC fail)
• 1* backup battery detection (BAT Fail)
• 1*tamper input (TMPR)

Inputs: 4 state supervision, resistor values (5% tolerance),
Outputs: 8 relays, 8* Form-C with dry contacts
RS485 Connectivity: RS485 standard / OSDP V2.2
Power & Relays: 12 - 24 VDC ± 20%, 550 mA maximum
Works only with inBio-Pro & AtlasX60
Weight: 4 lbs.
Shipping Box Size: 10"" x 7"" x 3"""

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