Used Cisco IPS 4250 SX Sensor Appliance

Part # IPS-4250-SX

Product Description: Cisco IPS 4250 SX Series -This inline network security appliance supports Fiber environments, 4250 with the SX Fiber card, Interface bypass, bypass support only through third party hardware.

Cisco IPS 4200 Series Sensors
Cisco Security / Firewalls - Listed Alphabetically