Telcordia Details GPON Interoperability Event Results

Hoping to drive network integrity and minimize carrier deployment risks, Telcordia today revealed details of the 7th Full Service Access Network (FSAN) Gigabit Passive Optical Networking (GPON) test event that it recently hosted at its U.S. headquarters.

The event allowed vendors to verify their understanding of the relevant industry specifications and to validate implementations early in the development process; thereby avoiding costly changes later in a GPON product’s commercial life, according to Telcordia.

Thirteen system and device vendors participated, interconnecting GPON products and reference designs at Telcordia to test interoperability.

The main goal of the test event was to demonstrate GPON equipment management interoperability via the ONT Management & Control Interface (OMCI), with focus on best practices documented in the draft ITU-T G-PON G.984.4 Implementers’ Guide (G.984.4impl).

The ITU G.984 GPON standard enables line rates of 2.5 Gbps in the downstream direction (central office to customer) and 1.2 Gbps in the upstream direction (customer to central office).

Detailed test cases were carried out to verify the ONT equipment management, including OMCC establishment, Management Information Base (MIB) synchronization operations, ONT capability discover, and ONT software image updating.

“As the industry continues to move toward IP service creation and delivery, interoperable GPON equipment is critical to enabling cost reductions through volume production and increased market competition, thereby helping to increase the availability of high capacity, fully converged, IP service networks,” said Rudi Schubert, director, Telcordia Network Product Integrity, in prepared comments.

The event was organized by Telcordia in cooperation with FSAN (an affiliation of international network operators and telecom vendors), Corning Cable Systems and TraceSpan Communications.

It involved 13 GPON equipment and integrated circuit device vendors including Alcatel-Lucent, BroadLight, Cambridge Industries Group, Conexant Systems, Inc., Freescale, Hitachi Communication Technologies Inc., Huawei, Ikanos Communications, Motorola, PMC-Sierra, RAD Data Communications, TXP Corp., and ZTE.

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