H1
| Specification | Rating |
| Connectors | 2 x 3-Way Terminal |
| Conductors | 24-18 AWG |
| LAS | Supported |
| H1 Alarming | Supported |
| Intrinsically Safe (IS) applications | Supported |
| Advanced H1 Scheduling | Supported |
| Maximum Slave Devices | 32 |
| Isolated | Yes |
| Internal Power Conditioner Voltage | Maximum: 23.0 V DC Minimum: 19.0 V DC |
| Internal Power Conditioner Current | Maximum: 420 mA – Max. Ambient Temperature <= 50 °C Maximum: 320 mA – Max. Ambient Temperature <= 60 °C Maximum: 220 mA – Max. Ambient Temperature <= 70 °C Note: Includes 20mA for internal MAU |
| Internal Termination | 100 Ω - Software Enabled |