| WS-F5541 | Route Switch Feature Card for WS-X5540 and WS-X5550 |
| WS-U5533-FEFX-MMF | Dual Port 100BaseFX MMF Uplink Module for Supervisor III |
| WS-U5534-GESX | Dual Port 1000BaseSX Uplink Module for Supervisor III |
| WS-U5535-FEFX-SMF | Dual Port 100BaseFX SMF Uplink Module for Supervisor III |
| WS-U5536-GELX | Dual Port 1000BaseLX/LH SMF Uplink Module for Supervisor III |
| WS-U5537-FETX | Four Port 100BaseTX Uplink Module for Supervisor Engine III |
| WS-U5538-FEFX-MMF | 4-Port 100BaseFX MMF Uplink Module for Supervisor Engine III |
| WS-X5006 | Cisco Catalyst 5000 Supervisor Engine I WS-X5 |
| WS-X5010 | Catalyst 5000 Ethernet Switching Module (10BaseT, 24 Int.) |
| WS-X5011 | Catalyst 5000 Ethernet Switching Module (10BaseFL, 12 port) |
| WS-X5012 | 48-Port 10BT Desktop Ethernet Switching Module (telco) |
| WS-X5012A | 48-Port 10BT Desktop Ethernet Switching Module (telco) |
| WS-X5013 | Cisco Catalyst WS-X5013 Ethernet Module 24-Po |
| WS-X5014 | 48 Port 10BT Desktop Ethernet Switching Module (RJ-45) |
| WS-X5015-MT | 24-port 10FL Desktop Switching Module (MT-RJ) |
| WS-X5020 | 10BaseT Group Ethernet Switching Module, 48-Ports |
| WS-X5030 | Catalyst 5000 Copper Token Ring Switching Module (16 port) |
| WS-X5031 | Catalyst 5000 Fiber Token Ring Switching Module (16 port) |
| WS-X5101 | Catalyst 5000 FDDI Switching Module (MMF, MIC) |
| WS-X5103 | Catalyst 5000 CDDI Switching Module (UTP, RJ-45) |
| WS-X5104 | Catalyst 5000 FDDI Switching Module (SMF, ST) |
| WS-X5111 | Catalyst 5000 Fast Ethernet Module 100BaseFX (Fiber, SC) |
| WS-X5114 | Catalyst 5000 Singlemode Fast Ethernet Switching Module |
| WS-X5156 | Catalyst 5000 ATM LANE Module, Dual Phy UTP Ports |
| WS-X5157 | Catalyst 5000 ATM OC-3 LANE Module Dual PHY (SMF, SC) |
| WS-X5158 | Catalyst 5000 ATM OC-3 LANE Module Dual PHY (MMF, SC) |
| WS-X5161 | C5000 ATM OC-12 LANE/MPOA Module Dual PHY (MMF, SC) |
| WS-X5162 | C5000 ATM OC-12 LANE/MPOA Module Dual PHY (SMF, SC) |
| WS-X5165 | Catalyst 5500 ATM Fabric Integration Module |
| WS-X5166 | Catalyst 5000 ATM DS-3 Module Dual PHY (BNC) |
| WS-X5167 | C5K ATM OC-3 LANE/MPOA module dual PHY (multimode, SC) |
| WS-X5168 | C5K ATM OC-3 LANE/MPOA module dual PHY (singlmode,SC) |
| WS-X5201 | Cisco 5500 WS-X5201 12 Port Fast Ethernet Mod |
| WS-X5201R | 100BaseFX Backbone Switching (FEC, 802.1Q/ISL, SC, 12 port) |
| WS-X5203 | CISCO 5000 12 PORT 10/100 MODULE WS-X5203 !!! |
| WS-X5213A | C5000 Fast Ethernet Switching Module (10/100BaseTX, 12 port) |
| WS-X5223 | Catalyst 5000 Group Fast Ethernet Switching Module |
| WS-X5224 | 24-Port 10/100TX Fast Ethernet Switching Module, RJ45 |
| WS-X5225R | 24 Port 10/100TX Backbone Switching (FEC, 802.1Q/ISL, RJ-45) |
| WS-X5234-RJ45 | 24-port 10/100TX Switch Module (FEC,WRED,802.1Q/ISL,RJ-45) |