SFP 1.25G Tx1550/Rx1490 80Km LC Transceiver

Gearlink’s GCS7L0C54 SFP transceiver is compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The china optical transceiverconsists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the 1490nm DFB laser (the 1550nm DFB laser), and the PIN/TIA. The module data link up to 80km in 9/125um Single-mode fiber.

This transceiver meets the Small Form Pluggable (SFP) industry-standard package utilizing an integral LC-Bi-directional optical and bidi multimodesfp interface connector. An enhanced Digital Diagnostic Monitoring Interface compliant with SFF-8472 has been incorporated into the transceiver. It allows real-time access to the transceiver operating parameters such as fiber transceivertemperature, laser bias current, transmitted optical power, received optical power, and transceiver supply voltage by reading a built-in memory with an I²C interface.

The optical output can be disabled by an LVTTL logic high-level input of Tx Disable, and the system also can disable the module via I²C. Tx Fault is provided to indicate the degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of the receiver or the link status with the partner. The system can also get the LOS (or Link)/Disable/Fault information via I²C register access.

Compatibility of SFP 1.25G Tx1550/Rx1490 80Km LC Transceiver

GLC-BX80-D-I1000BASE-BX80-U-SMF TX:1550nm/RX:1490nm 80km

Technical Specification Of SFP 1.25G Tx1550/Rx1490 80Km LC Transceiver

General Specifications

Parameter	Symbol	Min		Max	Unit
Bit Rate	BR				Gb/sec
	Max			80	km

Absolute Maximum Ratings

Parameter	Symbol	Min		Max	Unit
Storage Temperature	TS	-40		85	ºC
Storage Ambient Humidity	HA	5		95	%
Power Supply Voltage	VCC	-0.5		4	V
Signal Input Voltage		-0.3		Vcc+0.3	V
Receiver Damage Threshold		3			dBm
Lead Soldering Temperature/Time	Told			260/10	ºC/sec	Note 1
Lead Soldering Temperature/Time	Told			360/10	ºC/sec	Note 2

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