TransceiversPC Wholesale has one of the largest transceiver inventories in the world. We stock almost every GBIC, SFP, SFP+, XFP, X2, CWDM, DWDM and XENPAK transceiver from every manufacturer, over 40 in all. All of our transceivers are backed by an industry leading lifetime advance replacement warranty. We also offer lifetime technical support on all transceiver purchases. Most are in stock and can ship out to you same day.
PC Wholesale automatically gives a 10% discount and grants Net30 terms to all educational and governmental institutions.
PC Wholesale provides the broadest selection of transceivers to networking
professionals worldwide, stocking parts from over 50 manufacturers. Our top
sellers are for routers and switches made by Cisco, HP, Brocade and Juniper.
What are transceivers?
A transceiver in simple terms can be defined as a device that comprises of both a transmitter and a receiver of analog or digital signals. Radios and telephones are some of the devices that use transceivers. Network transceivers are used in specific networks like LAN to transmit signals. Lots of people tend to confuse transceivers and transponders –here is the difference; a transceiver transmits and receives signals anytime while a transponder only responds to an incoming signal or command.
Transceivers come in three configurations; the chip, board and module style. The chip style is portable and the smallest optical transceiver available. The board Style unlike the chip style, is in-built in the network system making it permanent while the module Styles are stand-alone devices as they are not directly installed in the network system.
Modes of Channel operations
Fiber optic transceivers operate in three modes of channels; the simplex, half-duplex, and full-duplex modes.
- The Simplex mode: This mode of channel operation is one way. It does not send back error information. Since it is one way, its use is phasing out and today it is mainly used in radios.
- Half-duplex mode: This can only handle a single signal at a time. That is; it can only transmit or receive a signal at a time. Not both.
- Full-duplex mode: A full-duplex transceiver can handle the reception and transmission of all signals at once. One thing to note though is that the transmitter and receiver need to work on different frequencies in order to avoid collisions between transmitted and reception signals.
Some of the types of Transceivers we offer
GBIC: GBIC (Gigabit Interface Converter) is the media conversion device that connects Gigabit network equipment and fiber optic networks. By use of a GBIC transceiver, Gigabit network equipment can connect to single mode ports, multimode fiber ports and even copper wires. GBIC is also hot pluggable which enables connection modifications.
SFP: SFP in full is Small Form- factor Pluggable. They are also referred to as mini GBIC due to their similarity in function to the GBIC transceivers though smaller in size. SFP transceivers are mainly used to link equipment in telecom and data communications like switches and routers. They support applications like Fiber-to-the-desktop (FTTD), SONET/SDH Network, Gigabit Ethernet, and High-speed computer links among others.
SFP Plus (SFP+): These are an upgraded version of the SFP. The only difference is that they can support up to 10Gbps data rates and are smaller than the 10Gbps X2 and Xenpak transceivers.
XFP: These are protocol independent optical media conversion equipment used in the SONET/SDH Network, 10G Ethernet and Fiber channel applications. XFP transceivers are currently the cheapest and the smallest transceivers.
XENPAK: These transceivers support all optical transceiver ports defined in the IEEE 802.3ae. Covering up to 10Km via a G652 multimode fiber –the Xenpak transceivers come in three types which include; Xenpak 10GB SR, Xenpak 10GB LR and the 40km Xenpak 10 GP ER.
X2: These function exactly like the Xenpak because they were built on the Xenpak standards. These optical transceivers’ 10G Ethernet standards were defined by IEEE in 2002.