Fibre-Lyte 3.2Gb/s MT-RJ 1Tx+1Rx

Fibre-Lyte is an optoelectronic packaging technology which can be used to interface with MT connectors. It can package a wide range of VCSELs, detectors and many other chips from low to high power.

This is an example of the 1Tx+1Rx MT-RJ design (order code CJT-LSN-V5-3.2) which is an alternative to a dual TO can deployment. This design will handle up to 3.2Gb/s and provides RSSI where the level is added to the common mode of the differential data output pins. The size and pin out is identical on the 10Gb/s variant except RSSI is provided on pin 6.

Fiber-Lyte Coupling to MT-RJ

Pin	Code	Notes
1	+3.3VA	Transimpedance amplifier power plane.
2	0VA	Transimpedance amplifier ground plane. Replicated on pin 5.
3	TIA+	Differential CML +ve for transimpedance amplifier.
4	TIA-	Differential CML -ve for transimpedance amplifier.
5	0VA	TIA ground plane. Replicated on pin 2.
6	NC	No connection - reserved for RSSI use in different versions.
7	VCSEL Cathode	VCSEL cathode (-ve) connection. Replicated on pin 9.
8	VCSEL Anode	VCSEL anode (+ve) connection.
9	VCSEL Cathode	VCSEL cathode (-ve) connection. Replicated on pin 7.