Common Types of BiDi Transceiver

 BiDi SFP Transceiver

BiDi SFP transceiver is typically applied for the high-performance integrated duplex data link over a single optical fiber. It interfaces a network device mother board (for a switch, router or similar device) to a fiber optic or unshielded twisted pair networking cable. And the most typical wavelength combination is 1310/1490 nm, 1310/1550 nm, 1490/1550 nm and 1510/1570 nm. This Arista SFP-10G-ZR100 is utilized in optical communication for both telecommunication and data bidirectional communications applications.

BiDi SFP+ Transceiver

BiDi SFP+ transceiver is an enhanced SFP transceiver. It is made for bi-directional 10G serial optical data communications such as IEEE 802.3ae Juniper 10GBASE-BX by using 1330/1270nm transmitter and 1270/1330nm receiver. And its transmission distance is up to 20 km.

BiDi X2 Transceiver

BiDi X2 transceivers are designed for bi-directional 10G serial optical data communications, which likes BiDi SFP+ transceivers . The transceiver includes two sections: the transmitter section uses a multiple quantum well 1330/1270nm DFB laser. And the receiver section uses a 1270/1330nm detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC. This BiDi transceiver is mainly used in Ethernet network.

The obvious advantage of utilizing BiDi transceivers, such as for example BiDi SFP+ and BiDi SFP transceivers, is the reduction in fiber cabling infrastructure costs by reducing the number of fiber patch panel ports, reducing the amount of tray space dedicated to fiber management, and requiring less fiber cable.

While BiDi transceivers (a.k.a. WDM transceivers) cost more to initially purchase than traditional two-fiber transceivers, they use half the quantity of fiber per unit of distance. For many networks, the cost savings of utilizing less fiber is enough to more than offset the higher purchase price of BiDi transceivers.

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