EW ( EXTENSION UNITS)
EW enables modular expansion of an O2LA
installation via the RS-485 bus. It is an intelligent
extension unit that supports 2 Wiegand-26 bit readers,
has 4 outputs and 2-exit button input for local
control of 2-doors. Since it supports Wiegand-26 bit
readers, it gives installers total flexibility.
Features of EW
Networks to the O2LA through RS-485 bus Built-in 26-bit Wiegand to RS-485 converter for
data transmission to controller Supports 26-bit Wiegand readers from the XPR Multix
range or from other OEMs 4 outputs: 2 relays (2x10 Amp) and 2 transistors 2 Request-to-Exit inputs  2 Door sensor contacts Flash 16-bit micro-controller Built-in intelligence (10 codes/ cards) for access
in case of RS-485 malfunction or system failure Indicator (yellow LED) for proper bus connection Tamper input Individually addressed (Peripheral Nos.) via Dipswitch Up to 31 EW connectable to O2LA Powder coated steel housing Input power: 12V DC Dimension (mm) : 128L x 100W x 33H
The EW Kit
The EW kit consists of the controller expansion, the PS2 power supply unit, 2 proximity readers, the necessary wiring and cards +
keyfobs as the access devices.
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