- 8 monitored, switchable input zones, which can be expanded to 24 using 2 J400-EXPs, 1.5A BAQ power supply.
- 2 monitored / muting / disabling sound signal outputs (NAC1 and NAC2).
- 1 mutable fire output and 1 mutable, switchable error output.
- Each zone has 1 muteable, zone-selective open-collector output.
- 1 monitored, switchable, unmuteable telephone call output (gives 0 V when active).
- 1 programmable open-collector output.
- 1 uninterruptible 24V auxiliary power output.
- 1 lockable, uninterruptible 24V auxiliary power output.
- Reception of 1 4-20 mA gas sensor.
- Can be expanded with 2 J400-EXT ignition control modules.
- 4 J400-REP remote controls can be connected to it via RS485 bus;