233190 X3 Linear LLC 39 May 2013
Hardware and Third-Party Device
Specifications
Check the Linear web site (www.linearcorp.com) for updated specifications,
lists of supported devices, and software updates.
Environmental Requirements
• Operating temperature range: 32° F to 120° F (0° C to 49° C).
• Operating relative humidity range: Up to 85% non-condensing.
Power Requirements
• If DC power is provided directly to the node board, it must have 12V± 1%
DC at a minimum of 5 amps. Source power must come from a separate
circuit with its own breaker and an isolated earth ground via a UL 603 Power
Limited supply.
Reader Power Available from the eMerge System
The total current that one eMerge system can provide to all readers is 1600
milliamps. Each access control blade can supply up to a total of 400 milliamps at
12VDC to readers. For example, an access control blade can supply 400
milliamps to one reader or 200 milliamps to each of two readers. If the readers
require more current, or a different voltage, then power must be provided by a
separate UL603 Limited-power supply.
For example, many Wiegand-compatible proximity readers from HID require
200 milliamps or less. The Node can power 8 readers, which is 8x200mA = 1.6A.
Long range proximity readers may require more power. Refer to the reader
manufacturer documentation for power specifications.
Other than readers, any other components in the system (such as magnetic locks)
must have power provided separately.
Wiring Requirements and Specifications
• Inputs and Outputs: Twisted, shielded 22 AWG Belden #9462 or
equivalent.
Maximum distance from input/output devices to the eMerge system: 2000
feet (610 meters).
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