User's Manual

66xx/67xx Router Users Guide 19
Models
Note: In 2016 Zhone Technologies, Inc merged with DASAN Network Solutions, Inc to
form DASAN Zhone Solutions, Inc (DZS). Some products may be shipped with DZS
branding as well as Zhone branding. Unless otherwise specified there is no hardware or
software functionality changes between the DZS and Zhone branded products.
6618-W1 interfaces, LEDs and buttons