Mitel 12 Circuit ONS/Class Card (9109-110-001-NA)-
For Single line, rotary, and
DTMP telephones (12 Circuits per card). Required CLASS Sets Software
Option (9109-532-002), Minimum Lightware 18 rls 2 and ELX type cabinet for
Caller Id capability.

- For Single line, rotary, and
DTMP telephones (12 Circuits per card)
- Required CLASS Sets Software
Option (9109-532-002), Minimum Lightware 18 rls 2 and ELX type cabinet for
Caller Id capability
- SX-200 D
- SX-200 EL/ELX
- SX-200 ML