Ws-x4148-fe-bd-lc:cisco Catalyst 4500 Fast Ethernet switching module, 48 port 100base-bx-d SMF (LC)
Ws-x4124-fx-mt:cisco Catalyst 4000 Fast Ethernet switching module, 24 port 100base-fx (MT-RJ)
Ws-x4148-fx-mt:cisco Catalyst 4500 Fast Ethernet switching module, 48-Port 100BASE-FX multimode fiber (MMF)
Ws-x4124-rj45:cisco Catalyst 4500 10/100 module, 24 port (RJ-45)
Ws-x4148-rj:cisco Catalyst 4500 10/100 module, 48 port (RJ-45)
Ws-x4148-rj21:cisco Catalyst 4500 10/100 module, 48 Port Telecom (4 X RJ-21)
Ws-x4248-rj21v:cisco Catalyst 4500 PoE 802.3af 10/100, 48 port (RJ-21)
Ws-x4224-rj45v:cisco Catalyst 4500 PoE 803.3af 10/100, 24 port (RJ-45)
Ws-x4248-rj45v:cisco Catalyst 4500 PoE 802.3af 10/100, 48 port (RJ-45)
Ws-x4248-fe-sfp:cisco Catalyst 4500 Fast Ethernet switching module, 48 port 100base-x (SFP)
Ws-x4232-gb-rj:cisco Catalyst 4500 32 port 10/100 (RJ-45), 2 Gigabit Ethernet (GBIC) modules
Ws-x4302-gb:cisco Catalyst 4.5 million Gigabit Ethernet module, 2 port (GBIC)
Ws-x4306-gb:cisco Catalyst 4.5 million Gigabit Ethernet module, 6 port (GBIC)
Ws-x4506-gb-t:cisco Catalyst 4.5 million Gigabit Ethernet module, 6 port 10/100/1000 802.3af PoE or 1000base-x (SFP)
Ws-x4418-gb:cisco Catalyst 4.5 million Gigabit Ethernet module, server Exchange 18 ports (GBIC)
Ws-x4448-gb-sfp:cisco Catalyst 4.5 million Gigabit Ethernet module, 48 port 1000base-x (optional SFP)
Ws-x4424-gb-rj45:cisco Catalyst 4500 24 Port 10/100/1000 module (RJ-45)
Ws-x4448-gb-rj45:cisco Catalyst 4500 48 Port 10/100/1000 module (RJ-45)
Ws-x4548-gb-rj45:cisco Catalyst 4500 Enhanced 48-Port 10/100/1000 module (RJ-45)
Ws-x4524-gb-rj45v:cisco Catalyst 4500 PoE 802.3af 10/100/1000, Port 24 (RJ-45)
Ws-x4548-gb-rj45v:cisco Catalyst 4500 PoE 802.3af 10/100/1000, Port 48 (RJ45)
This article from the "Operation and maintenance work Struggle" blog, please be sure to retain this source http://yanghuawu.blog.51cto.com/2638960/837485