User manual

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Manual Documentation Number: EIR618-2SFP-T_4812m
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax [phone] – www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph [phone] – Fax [phone] – www.bb-europe.com
Coupling Ring Application
In the network, it may have more than one X-Ring group. By using the
coupling ring function can connect each X-Ring for the redundant backup. It
can ensure the transmissions between two ring groups will no failure. The
following figure is a sample of coupling ring application.