OPTI-6100 Three-port DS3 mid-speed module with framers. Allows for DS3 or EC-1 mid-speed services to be dropped via BNC connectors on the rear of the OPTI-6100 chassis. Maximum of four 1:1 protected (8 cards) per system. This card is required to drop more than four DS3s from a chassis.
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Electronics, Computer & Photo > Computers & Accessories > Networking Products > Network & Communication > Multiplexers