Cisco ASA 5540 - ASA5540-BUN-K9 Phones The device does not support

The device does not support direct power connection – it's PoE Only

These function as extension microphones only

3 inch color display LCD and full HD audio

and investment protection through their many uses

Cisco ASA 5540 - ASA5540-BUN-K9 Phones The device does not supportRefurbished ASA 5540 BUN K9 with Warranty The Cisco ASA 5540 Adaptive Security Appliance delivers a wide range of high performance, high density security services with Active Active high availability and Gigabit Ethernet connectivity for medium to large enterprise and service provider networks, in a reliable, modular appliance. Using its four Gigabit Ethernet interfaces and support for up to 100 VLANs, businesses can segment their network into