Specifications
Technical Specifications
| Model | ST4-IP |
| Floors Supported | Eight (8) floors, expandable to one hundred and twenty-eight (128) |
| Type of Technology | Distributed MicroController |
| Prox. Reader Interface | Wiegand 26bits, 37bits & 40 bits |
| Elevator Panel Interface | Dry Contact – Normally open (N.O) and Normally close (N.C) |
| Communication I | Ethernet – Configurable: DHCP/Static IP/Ports |
| Communication II | RS485 – Half & Full Duplex |
| Safety Standards | Designed to conform to UL 294 |
| Board Protection | Overcurrent, overvoltage, & reverse voltage protection |
| On Board LED Status | Board power, Floor Status unlocked |
| Input Voltage Board | 12VDC to 14VDC |
| Board Power Consumption | 0.033A |
| Interface Fire Alarm Panel | Supported |
| Power Supply Monitoring | Supported |
| Programmable Input/Output | Supported |
| FCC & IC Compliance | Complies with part 15 of the FCC rules Class A |
Recommended Wiring
| Proximity Card Reader / Keypad | 6 conductors, shielded; 22AWG to 18AWG; 500 ft (150 m) |
| Ethernet | CAT 5e / CAT 6; 24AWG/23AWG; 300 ft (100 m) |
| RS485 (Half Duplex / Full Duplex) | CAT 5e / CAT 6; 24AWG/23AWG; 300 ft (100 m) |
| Dry Contact – Per Floor | 2 conductors, solid copper; 22AWG; 1000 ft (300 m) |
| Fire Alarm Input | 2 conductors, solid copper; 22AWG; 1000 ft (300 m) |
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