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-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 R6.0 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-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

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 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

CHAS - 7450 ESS-7 AC/DC CHASSIS SPARE 7450 ESS 7 slot Shelf, includes one (1) Fan Filter (reqd=1). Accepts two (2) SFM(2)-xxx (reqd=1, 1+1 red =2); two (2) AC PEM w/ AC PSU (reqd=1, 1+1 red=2) or DC PEM (1 & 2) (reqd=1, 1+1 red=2); two (2) Fan Tray (1+1 red=2) or one (1) HF Fan Tray (reqd & red=1); up to five (5) IOMs

PEM - 7450 ESS-7 AC PEM - SLOT 1/2 7450 ESS-7 AC PEM, AC Power Entry Module for PEM Slot 1 or Slot 2. Requires paired 7450 ESS 7 slot AC Power Supply Unit (PSU). One (1) AC PEM/PSU pair required per chassis for AC power. Two (2) AC PEM/PSU pairs provide 1+1 redundant AC power

PEM - 7450 ESS-6/7 DC PEM - SLOT 1 7450 ESS-6/7 DC PEM 1, DC Power Entry Module for Slot 1 on ESS-6 and ESS-7. Used with DC PEM 2 provides 1+1 redundant DC power

PEM - 7450 ESS-6/7 DC PEM - SLOT 2 7450 ESS-6/7 DC PEM 2, DC Power Entry Module for Slot 2 on ESS-6 and ESS-7. Used with DC PEM 1 provides 1+1 redundant DC power

FAN - 7450 ESS-7 HIGH-FLOW FAN TRAY 7450 ESS-7 slot High Flow (HF) Fan Tray (one (1) per chassis)

CF - 256 MB COMPACT FLASH MOD SR/ESS 256 MB Compact Flash - Spare

SFP - 100FX SFP OPT MOD 25KM - LC 1-port 100BASE-FX Small Form-Factor Pluggable (SFP) Optics Module, Single Mode, 25 km, 1310 nm, LC Connector

CBL -SR/ESS-1 AC PWR CBL 110V USA SR/ESS AC Power Cable 110V for SR/ESS-1 - United States / Canada / South America

CBL -SR/ESS-1 AC PWR CBL 220V USA SR/ESS AC Power Cable 220V for SR/ESS-1 - United States / Canada / South America

CBL - AC PWR CBL 220V SR/ESS-1 EUR SR/ESS AC Power Cable 220V for SR/ESS-1 - Continental Europe

CBL - AC PWR CBL 220V SR/ESS-1 GBR 7750 SR AC Power Cable 220V for SR-1 - United Kingdom / Hong Kong /Singapore

CBL -SR/ESS-1 AC PWR CBL 220V INTL SR/ESS AC Power Cable 220V for SR/ESS-1, Blunt Cut - International

CBL -PWR 110V USA - SR/ESS-1 EXT AC SR/ESS AC Power Cable 110V for External SR/ESS-1 Redundant AC - United States / Canada / South America

CH-BN -7450 ESS-7 250G AC BNDL 7450 ESS-7 250G AC Chassis Bundle. Includes: - 7450 ESS-7 AC Integrated Chassis (3HE00387BA x1), Non-Redundant SF/CPM-2 (3HE01172AA x1), Includes: ESS-7 AC Power Supply (3HE00187AA x1).