Cisco 1-Ports Voice Clear-Channel Data T1/E1 Multiflex Trunk Expansion Module

Cisco 2-Ports Gigabit Ethernet WAN Network Interface Module

Cisco Catalyst - expansion module - Gigabit Ethernet x 16

Cisco Catalyst - expansion module - Gigabit Ethernet x 8

Cisco Catalyst 9200 4-Ports 10/100/1000Base-X Network Module

Cisco Catalyst 9200 Series Network Module - expansion module - Gigabit Ethernet x 4

Cisco Catalyst 9300 Series Network Module - expansion module - Gigabit SFP x 4

Cisco Catalyst IE3300 Rugged Series 16-Ports Managed Expansion Modules

Cisco Network Interface Module - expansion module - 1000Base-X x 4

Cisco Network Interface Module - expansion module - Gigabit Ethernet x 4

Cisco Network Interface Module - expansion module - Gigabit Ethernet x 8

WatchGuard Firebox SFP (mini-GBIC) Module