The industry generally refers to the fixed network generation with optical fiber as the main carrier as F5G. With the advancement of Gigabit optical network pilots in recent years, the direction has become increasingly clear. For projects, the actual changes it brings often appear first on the end equipment.
The terminal speed is moving up from Gigabit to 2.5G
The speed provided by the Gigabit optical network to the user side continues to increase, and the equipment that used to be barely full on the Gigabit ports has begun to become a bottleneck. In the selection list of optoelectronic terminal equipment, the 2.5G gear appears more frequently, such asSFP 2.5G multi-mode dual fiber optical moduleWith the corresponding transceiver, it can smoothly connect to the existing Gigabit copper network:
- Before changing the port, first confirm whether the switch side has an SFP or SFP+ slot and whether it supports rate negotiation.
- In 2.5G mode, both ends of the link must be checked together: modules, jumpers and connectors cannot be together.
- Use PoE-powered points to synchronously review the power budget to avoid power outages.
Optical power budget requires greater accuracy
Gigabit optical networks often superimpose multiple types of services on the same fiber, and the light collection margin is compressed. The common practice in the industry is to establish a baseline on a link-by-link basis during delivery: record the luminous and received power and link attenuation, and it is recommended to leave a margin of about 3dB. EB-LINK modules are tested one by one and shipped. The actual measurement data comes with a test report, which can be directly included in the ledger to facilitate future retests and comparisons.
New and old equipment will coexist for a long time, so check compatibility before replacing them.
During the evolution transition period, PON and Ethernet equipment will coexist for a long time, and the wavelength formats and coding conventions are different. In order to avoid unrecognized ports after purchasing additional equipment, it is recommended to confirm the coding requirements of the switch brand before purchasing, and pilot it in small batches first, and then pressCampus network and FTTH integrated cabling solutionThe ideas are rolled out in batches.
The trend fell on the project, culminating in a series of concrete replacements and new builds. If you encounter problems during the selection or pilot phase, please call 0755-83179002 for consultation.