- Sl2100 Exp. Card For Exp Chassis
- Interface To Main Chassis
- Additional Telephony Resources For Dtmf Dial Tone/busy Tone Detection Fsk Caller Id Receiver/sender
- Equipped With Connector For Cat5 Expansion Cable
- Includes 3.9ft. Straightthrough Cat5 Expansion Cable For Connection To Base Chassis
- Installs In Dedicated Slot In Expansion Chassis
- Maximum (1) Per Expansion Chassis
- Brand: Nec Sl1100 Sl2100
