C3850-NM-4-1G Cisco Catalyst 3850 4 x 1GE Network Module

WS-C3560CX-8PT-S Cisco Catalyst 3560-CX PD PSE 8 Port PoE, 1G Uplinks IP Base

CISCO NM-8A/S 8-Port Async/Sync Serial Network Module

CISCO HWIC-4T 4-Port Serial HWIC

CISCO NM-4T1-IMA 4-port T1 ATM Network Module with IMA

Cisco WS-C3560CX-8PT-S V01 – Catalyst 3560-CX – 8-Port PoE+ Switch

CISCO NM-4B-U 4-Port ISDN-BRI with NT-1 Network Module

CISCO C3850-NM-BLANK Cisco Catalyst 3850 Network Module Blank