• NM-1FE-TX
  1-port Fast Ethernet network module (100BASE-TX interface)
  Cisco 3600 series
  
  
• NM-4T
  4-port serial network module
  Cisco 3600, 3700 y 3800 series
  
  
• NM-16ESW
  16-port EtherSwitch network module
  Cisco 2600, 2800, 3600, 3700, 3800, MWR 1941-DC series
  
  

Web de Cisco sobre información de módulos.