PEM - 7450 ESS-12 175A DC PEM-3 7450 ESS-12, 12-slot Shelf 175 AMP DC Power Entry Module-3 for the 7450 ESS-12 DC Shelf.

OS - 7450 ESS-6/7/12 R5.0 OS LICENSE 7450 ESS Operating Software for ESS-6, ESS-7 or ESS-12 - Release 5.0, includes two (2) programmed CompactFlash cards with the OS

OS - 7450 ESS-6/6v/7/12 R6.1 OS LICENSE 7450 ESS Operating Software for ESS-6/6v, ESS-7 or ESS-12 - Release 6.1, includes two (2) programmed CompactFlash cards with the OS

OS - 7450 ESS-6/6v/7/12 R6.0 OS LICENSE 7450 ESS Operating Software for ESS-6/6v, ESS-7 or ESS-12 - Release 6.0, includes two (2) programmed CompactFlash cards with the OS

OS - 7450 ESS-1 R6.1 OS LICENSE 7450 ESS Operating Software for ESS-1 - Release 6.1, includes one (1) programmed CompactFlash card with the OS

OS - 7450 ESS-1 R6.0 OS LICENSE 7450 ESS Operating Software for ESS-1 - Release 6.0, includes one (1) programmed CompactFlash card with the OS

OS - 7450 ESS-1 R5.0 OS LICENSE 7450 ESS Operating Software for ESS-1 - Release 5.0, includes one (1) programmed CompactFlash card with the OS

MDA -7450 2-PT OC48/STM16 - SFP 7450 ESS 2-port SONET/SDH OC-48c/STM-16c MDA. Accepts up to two (2) SFP OC48-xx Optics Modules

MDA - 7450 ESS 8-PT OC3/12-STM1/4 7450 ESS 8-port SONET/SDH OC-12c/STM-4c MDA. Each port can operate as OC-12c/OC-3c or STM-4c/STM-1c Accepts up to eight (8) SFP OC12-xx or SFP OC3-xx Optics Modules

MDA - 7450 ESS 60-PT 10/100TX RJ21 7450 ESS 60-port 10/100BASE-T MDA, five (5) mini-RJ21 connectors, no cable. Accepts up to five (5) MINI-RJ21 cable assemblies

MDA - 7450 ESS 4-PT OC48/STM16 SFP 7450 ESS 4-port SONET/SDH OC-48c/STM-16c MDA. Accepts up to four (4) SFP OC48-xx Optics Modules

MDA - 7450 ESS 4-PT 10G MDA-XP - XFP 7450 ESS 4-port 10GBASE Oversubscribed Ethernet MDA-XP. Accepts four (4) XFP 10GigE Optics Modules. (Supported on 3HE00229AB and 3HE03620AA)

MDA - 7450 ESS 20-PT GIGE SFP 7450 ESS 20-port Gigabit Ethernet Optical MDA. Accepts up to twenty (20) SFP GigE-xx Optics Modules

MDA - 7450 ESS 20-PT 100FX SFP 7450 ESS 20-port 100BASE-FX MDA. Accepts up to twenty (20) SFP 100FX-xx Optics Modules

MDA - 7450 ESS 20-PT 10/100/1000 7450 ESS 20-port 10/100/1000 with RJ45 interface

MDA - 7450 ESS 2-PT 10GBASE XFP 7450 ESS 2-port 10GBASE Ethernet MDA. Accepts up to two (2) XFP 10GigE Optics Modules

MDA - 7450 ESS 2-PT 10G MDA-XP - XFP 7450 ESS 2-port 10GBASE Ethernet MDA-XP. Accepts two (2) XFP 10GigE Optics Modules. (Supported on 3HE00229AB and 3HE03620AA)

MDA - 7450 ESS 16-PT OC3/STM1 SFP 7450 ESS 16-port SONET/SDH OC-3c/STM-1c MDA. Accepts up to sixteen (16) SFP OC3-xx Optics Modules

MDA - 7450 ESS 16-PT OC3/12-STM1/4 7450 ESS 16-port SONET/SDH OC-12c/STM-4 c MDA. Each port can operate as OC-12c/OC-3c or STM-4c/STM-1c Accepts up to sixteen (16) SFP OC12-xx or SFP OC3-xx Optics Modules

MDA - 7450 ESS 10G+GIGE XFP/SFP 7450 ESS 1-port 10GBASE + 10-port Gigabit Ethernet MDA. Accepts one (1)XFP 10GigE Optics Modules and up to ten (10) SFP GigE-xx Optics Modules, 10/100/1000TX operation with GigE TX SFP