Transition Networks, Inc. has unveiled the TN-SFP-BCxxxx line of Smart SFPs, gigabit optical transceivers with integrated optical time-domain reflectometer (OTDR) capabilities. The optical modules can help detect fiber breaks while performing typical transceiver functions. They also can locate such breaks within 10 m. On the transceiver end of things, the Smart SFPs support 1550-nm wavelengths and have a 40-km reach over single-mode fiber. Their single-fiber operation doubles fiber capacity, the company says, in both carrier and enterprise campus networks. The Smart SFP family launches with a pair of optical modules. The TN-SFP-BC55-I is a 1000Base-LX optical transceiver, while the TN-SFP-BC55 supports 100Base-FX Ethernet. They feature an LC or SC fiber-optic connector. The TN-SFP-BC55 also can resolve signal reflection issues to increase detection probability, Transition Networks says. The Smart SFPs work well with Transition Networks' S4224, a 24-port managed Carrier Ethernet Fiber Switch, and S3290 six-port managed Gigabit Ethernet network interface device (NID), or the S3220 single-port NID. However, as they are MSA compliant, the modules also can be plugged into equipment from other vendors. Transition Networks says the TN-SFP-BC Smart SFPs are in trials with a Tier 1 cable MSO. They should become generally available in the current quarter. For related articles, visit the Optical Technologies Topic Center. For more information on optical transceivers and suppliers, visit the Lightwave Buyer's Guide.
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