Supervisor Engine I console: DB-25 (female)
Supervisor Engine II console: DB-25 (female)
Supervisor Engine III, III F console: RJ-45 (female)
Supervisor Engine II G, III G console: RJ-45 (female)
Supervisor Engine I 100Base-TX uplink: RJ-45 (female), 2 interfaces
Supervisor Engine I 100Base-FX uplink: MMF SC or SMF SC, 2 interfaces
Supervisor Engine II 100 Base-TX uplink: RJ-45 (female), MII
Supervisor Engine II 100 Base-FX uplink: MMF SC, SMF SC
Supervisor Engine III 10/100Base-TX uplink: RJ-45 (female), 2 interfaces
Supervisor Engine III, II G10/100Base-TX uplink: RJ-45 (female), 4 interfaces
Supervisor Engine III 100Base-FX uplink: MMF SC or SMF SC, 2 interfaces
Supervisor Engine III, II G 100Base-FX uplink: MMF MT-RJ, 4 interfaces
Supervisor Engine III, II G 1000Base-SX uplink: MMF SC, 2 interfaces
Supervisor Engine III, II G 1000Base-LX uplink: SMF SC, 2 interfaces
Group Switched 10Base-T: RJ-21 (female), 48 interfaces
Switched 10Base-T: RJ-21 (female), 48 or 24 interfaces
Switched 10Base-T: RJ-45 (female), 24 interfaces
Switched 10Base-FL: SC (female), 12 interfaces
Switched 10Base-FL: MT-RJ (female), 24 interfaces
Group Switched 100Base-TX: RJ-45 (female), 24 interfaces
Switched 10/100Base-TX: RJ-45 (female), 24 or 12 interfaces
Switched 10/100Base-TX:RJ-21 (female), 36 interfaces
Switched 100Base-FX: MMF SC, 12 interfaces
Switched 100Base-FX: MMF SC, SMF SC, 12 interfaces (6 MMF interfaces plus 6 SMF interfaces)
Switched 100Base-FX:MT-RJ (female), 24 interfaces
Fast Ether Channel 10/100Base-TX: RJ-45 (female), 24 or 12 interfaces
Fast Ether Channel 100Base-FX: MMF SC, 12 interfaces
Gigabit Ethernet: GBIC SX or LX, 3 interfaces
Gigabit EtherChannel: GBIC SX or LX, 9 interfaces
Switched Token Ring: RJ-45 copper UTP/STP (female), 16 ports
Switched Token Ring: MMF 62.5-micron fiber, 16 ports
ATM LANE/MPOA Uplink: OC-3 or OC-12: SMF SC, or MMF SC, 1 interface (dual-PHY)
ATM LAN Emulation: UTP RJ-45, MMF SC, SMF SC, dual PHY
CDDI: RJ-45 (female), 1 interface
FDDI: MMF MIC, SMF ST, 1 interface
Optical bypass switch connector: 6-pin mini-DIN