Quick tech specs
- Switch
- plug-in module
- 4000 Base Module
- 4003
- 4006
- 48 x 100Base-FX
- for Catalyst 4000
- 4000 chassis
- 4003 chassis
- 4006 Chassis
Know your gear
Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and inexpensively field-upgradeable as customer requirements change.