Product Details
- 1, 2, 4, 8 reader access control units for maximum system design flexibility
- Door controllers function seamlessly with Keyscan 1 and 2-cab EC series elevator floor control units
- Easily configurable reader settings supporting many Wiegand protocols
- Up to 6000 transactions retained in transaction buffer
- Auto-transfer protocol uploads transaction buffer when communication is re-established after an interruption
- Dual processors
- Expanded flash memory allows for 45,000 credentials per site (90,000 with special order hardware)
- Lockdown and global communication among multiple ACUs, server and sites (requires CIMs and CIM Link)
- Removable terminal blocks
- Accommodates 512 time schedules and 511 groups
- Multiple inputs and outputs for expansion capability
Components
CA8500 8-reader access control unit
Includes:
- CA8500B ACU board
- 2 - OCB8 relay boards
- 1 - DPS-15 power supply
- 1 - black metal enclosure with lock and tamper switch
CA4500 4-reader access control unit
Includes:
- CA4500B ACU board
- OCB8 relay board
- 1 - DPS-15 power supply
- 1 - black metal enclosure with lock and tamper switch
CA250 2-reader access control unit
Includes:
- CA250B ACU board
- OCB8 relay board
- 1 - DPS-15 power supply
- 1 - black metal enclosure with lock and tamper switch
CA150
Ideal for a single-door deployment or to augment an existing system with a need for one additional door.
- Network connectivity with built-in PoE ready TCP/IP module
- PoE mode powers reader, strike, and other auxiliary devices, up to 680mA
- DHCP supported
- Dual Processors
- Flash Memory
- Two reader ports

Product Downloads
Keyscan CA250 Door Controller - Fact Sheet
218.72 KB
2.05.2025
Fact sheet and comparison guide for the Keyscan CA250 2-reader access control unit door controller.
Keyscan CA4500 Door Controller - Fact Sheet
250.81 KB
2.05.2025
Fact sheet and comparison guide for the Keyscan CA4500 4-reader access control unit door controller.
Keyscan CA8500 Door Controller Fact Sheet
178.08 KB
2.04.2024
8-Reader Access Control Unit
Keyscan Product Guide
2.07 MB
2.04.2024
Keyscan CA150
215.12 KB
1.04.2024
Single-Door Control Unit
Keyscan Product Guide (French)
2.08 MB
1.04.2024
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