Compatibility | MSA Compliant; Cisco - 3660 Router; Cisco - Supervisor Engine 1A; Cisco - 2691 Router; Cisco - 3661 Router; Cisco - 3662 Router; Cisco - 3725 Router; Cisco - Supervisor Engine 2U; Cisco - MSFC2 (Multilayer Switch Feature Card); Cisco - Supervisor Engine 2; Cisco - Supervisor Engine 1; Cisco - MSFC1 (Multilayer Switch Feature Card); Cisco - 3745 Router; Cisco - Supervisor Engine II (WS-X4013); Cisco - Supervisor Engine II Plus (WS-X4013+); Cisco - Supervisor Engine III (WS-X4014) |