RAD Data TDM Pseudowire Gateway Right on Time for Mobile Backhaul

A new TDM pseudowire access gateway, called the IPmux-216, from RAD Data Communications offers super accurate timing to address mobile backhaul applications.

Eitan Schwartz, vice president of Carrier Ethernet technologies at RAD Data, said base stations use the T1 clock from traditional backhaul solutions for RF references for cell phones. Now, with the IPmux-216, RAD Data enables BTSs to do the same with Ethernet backhaul solutions.

“With pseudowires u replace T1s, so you need to make sure timing looks and feels like traditional T1,” he said, adding that the IPmux-216 also allows for in-band facilities loopbacks for circuit testing.

RAD engineered into its ASIC guaranteed accurate timing and support for multiple clock domains over Ethernet. This allows transport providers to utilize their fiber by backhauling mobile traffic simultaneously from different cellular operators, with each one being able to rely on its own clock to guarantee synchronization.

The IPmux-216 supports a range of pseudowire flavors including TDMoIP (RFC5087), CESoPSN (RFC5086), SAToP (RFC4553), and HDLCoPSN (RFC4618).

The product also converts up to 16 T1/E1 TDM data streams into packets for transport over Ethernet, IP and MPLS networks and provides SFP-based fiber or copper Ethernet interfaces that support Fast Ethernet and gigabit Ethernet.

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