Hardware Installation Guide
revision 7 — 577
111 Specifications
** The LNL-500B is for use in low voltage, class 2 circuit only.
• Primary Power: (DC or AC)
- DC input: 12 VDC ± 10%. 250 mA
- AC input: 12 VAC ± 15%. 400 mA RMS
• Memory and Clock Backup: 3 V lithium (does not apply to this hardware)
• Communication Ports:
- Port 1: RS-232 or RS-485, 2400 to 38400 bps async
- Ports 2-3: RS-485 (2-wire), 2400 to 38400 bps async
• Inputs:
- Cabinet Tamper Monitor: unsupervised, dedicated
- Power Fault Monitor: unsupervised, dedicated
• Wire Requirements:
- Power: 1 twisted pair, 18 AWG
- RS-485: 24 AWG twisted pair(s) with shield, 4000 feet (1219 m) maximum
- RS-232: 24 AWG, 50 feet (15.24 m) maximum
- Alarm Input: twisted pair, 30 ohms maximum
• Environmental:
- Temperature: Operating: 0° to 70° C (32° to 158° F)
- Humidity: 0 to 95% RHNC
• Mechanical:
- Dimension: 6 x 5 x 1 in. (152 x 127 x 25 mm)
- Weight: 8 oz. (290 g) nominal
• Data Memory: 512 KB
• Certifications:
- UL294 & UL1076 Listed
-CE marking
- RoHS compliant
Note: These specifications are subject to change without notice.
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