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NetAXS™ NX4L1 Installation Guide
Hardware Specifications
7.0 Hardware Specifications
7.1 Relay Contacts
Eight Form-C SPDT relays, 2 A @ 28 VDC (PTC limited).
7.2 Reader Interface
• Reader Power: 12 VDC nominal with 600 mA combined current between readers
and AUX Power.
• Reader LED Output: Open collector driver capable of sinking up to 8 mA.
• Reader Tamper: Supervised or non-supervised input.
• Reader Data Input: TTL compatible inputs.
• Reader Buzzer Output (not supported with NetAXS-4): Open collector driver
capable of sinking 8 mA at 15 VDC.
7.3 Maximum Output Loading
• Maximum current for any of the four reader outputs is 600 mA.
• Maximum current for any of the eight relay outputs on the HPACM8 is 2 A.
• Maximum battery charge current for the two batteries wired in series is 700 mA.
• Maximum combined current of the four reader outputs and the two auxiliary
outputs is 600 mA.
• Maximum combined current of the two auxiliary outputs is 500 mA if no readers
are being used.
• The HPACM8 total current including all outputs cannot exceed 2 A when
powered by the internal NX4L1 power supply.
7.4 Common Connections
Common connections are all connected internally. They are not connected to the panel
chassis.
7.5 Mechanical
• Enclosure Dimension: 17.7 in. (450 mm) W × 23.9 in. (607 mm) H × 3.54 in.
(90 mm) D.
• Enclosure Weight:
• With two batteries (including the door): 33.70 lb.
• With one battery (including the door): 28.90 lb.
• Without batteries (including the door): 24.25 lb.