| Signaling Line Circuits (SLCs) | 1: Style 4, 6, or 7 |
| Intelligent Devices | 50: any mix |
| Notification Appliance Circuits (NACs) | 2 (built in); Class A or B; each rated for 2.5 amps |
| Voice Evacuation Available | Yes: requires direct connect toFireVoice 25/50 |
| Power | 2.7 amps total system power |
| Annunciators | Yes; up to 8 LCD type |
| Printer Interface | Yes: serial or parallel |