- Interface to (1) or (2) additional chassis
- Additional (12) ports of InMail/VRS (no additional storage)
- Additional Telephony Resources – for DTMF, Dial Tone/Busy Tone detection, FSK Caller ID receiver/sender
- V.34 analog modem
Equipped with (2) connectors for Cat5 expansion cables.
Installs in dedicated connector on CPU card.
Maximum (1) per system.