| Part Number | Description |
|---|---|
| CSimon-AA | A: Apollo devices (only) A: Class A SLC Circuits |
| CSimon-AB | A: Apollo devices (only) B: Class B SLC Circuits |
| CSimon-SA | S: Edwards, FCI, Fire-Lite, Honeywell & Notifier devices (only) A: Class A SLC Circuits |
| CSimon-SB | S: Edwards, FCI, Fire-Lite, Honeywell & Notifier devices (only) B: Class B SLC Circuits |


