Chassis-based Platforms

Metro Access

Central Service Platform
Premise Service Platform
Access Line Cards
Optical Network Units
Gig-E Services Line Card (R851)
10/100Mbps Ethernet Services Line Card (R821)

Management Software  

Wavelength Multiplexing

BWDM (Single Strand)
CWDM (up to 16 wavelengths-Mux/DeMux and OADM)

Line Cards and Standalones

Multi-Rate Line Card
Management Line Card
Chassis Stacking Line Card (4-port switch)
Ethernet (10Mbps) and Fast Ethernet (100Mbps)
10M and/or 100M Ethernet (R141)
10/100 Ethernet (AutoTwister)
100Mbps Access Line Cards
Gigabit Ethernet (1000Mbps)
T1/E1
T3/E3
SONET (OC-3 and OC-12)
 

Distance Extension

Redundant Links (Line Protection and Restoration)

Delta Class 100Mbps (Auto Twister)
Delta Class 10/100 Mbps ("Twister")

Optical Network Unit (RA21)

Industrial Ethernet (RD20-24)