GPON – Frequently Asked Questions

Can a GPON be installed when Dynamic Bandwidth allocation is required?

Yes. A GPON has both Dynamic Bandwidth allocation (DBA) and fixed bandwidth allocation. We use DBA for services like Internet and shared data services.

However, when allocating bandwidth for telephone services and mission critical services, we use fixed bandwidth allocation to permanently reserve the bandwidth.

Are there any disadvantages when using GPON cabling solution in a hotel or office building when Time Division Multiplexing is used?

No. Any technology will have maximum capacity. This argument is the same as “the switch capacity is 1G because the maximum interface speed is 1G”. The same TDMA is used to deliver 10GPON and N-GPON. We have NG-PON2 which is based on TWDM which combines TDMA and WDMA and hits 40Gbps throughput. A developer should not be concerned about GPON compatibility with Time Division Multiplexing. (It’s like worrying about what kind of modulation is used by a 4G signal from a mobile cell tower to each particular call on your mobile phone).

Is it difficult to manage the room level and port security with a GPON installation?

No. This is one of the advantages of a GPON. It can bundle a wide variety of services and SLA to the room level and port level. You can lock down access to a particular MAC or group of MACs, and user isolation is inbuilt in a GPON.

What is the cost comparison between a GPON and traditional Category 6 cabling?

A GPON can save you up to 41% on your cabling expenditure.  The GPON cost savings include materials, energy consumption, reduced floor space, and less electrical equipment.