Specifications
| Item | Description |
| Telephone | |
| Interface | Connect to FXS port |
| Ring Voltage | 65 Vrms ring voltage 20 or 25 Hz Sinewave, REN=2 |
| Talk Battery | 48 Vdc; 30 mA current limit |
| Ring Cadence | Programmable |
| Ring Persistence | Programmable |
| Door Control | |
| Contact Rating | Maximum 30 V, 1 Amp |
| Contact Type | 1 Form C; Normally Open and Normally Closed |
| Duration | Programmable, including latch |
| Activation | DTMF, programmable |
| Auxiliary Power | 24 Vdc, current limited to 300mA |
| Terminal Block Wiring | 12-26 AWG |
| Control Unit (3228 Doorphone Controller) | |
| Number & Type | 4 isolated solid state relays |
| Connection | 2.5 mm jack |
| Voltage | Max 30 V SELV |
| Current | Max 50 mA non-inductive |
| Functions | Ring, In-Use, or Message Waiting |
| Door Station (3201/3202/3203) | |
| Wiring | Single pair, normally 24 AWG twisted 1,000 feet (300 m); Please contact Algo for longer loop lengths. |
| Dry Contact Output | Maximum 30 V, 50 mA switching (programmable function) |
| Dry Contact Input | Contact detected using 24 Vdc 1 mA (programmable function) Maximum resistance 1 kOhm |
| Operating Temp. | -30 to 50 C (-22 to 122 F) |
| Weather Resistance | CSA/UL 3R weather resistant |
| Call Button | Sealed, backlit |
| Faceplate | 304 Stainless Steel (3201); Brass optional (3202); Vandal-Proof (3203) |
| Programming | |
| Method | DTMF or USB Port using configuration software |
| Power Requirement | |
| Typical (idle) | 4.5 Watts |
| Maximum | 12 Watts (Audio active, door contacts using 24 V, 0.3 A auxiliary supply) |
Product Dimensions
3228 Controller
