BS20 Expansion Blade for Base Chassis with CP20 CPU

Required for connection between base chassis – equipped with CP20 CPU Blade – and up to (3) expansion chassis.

For 9.5-inch Chassis (BE113294) or 19-inch Base Chassis (BE112986).

Installs in dedicated Expansion Blade slot in base chassis.

Also provides a system modem and (48) additional DSP resources for DTMF Receivers, Call Progress Tone Detection, Caller ID, etc.

Notes:

The BS20 cannot be used with a CP10 CPU.

Expansion blades are not required when adding a 9.5-inch expansion chassis to a 9.5-inch base chassis.