Pin	Logic	Symbol	Description
1		GND	Ground
2	CML-I	Tx2n	Transmitter Inverted Data Input
3	CML-I	Tx2p	Transmitter Non-Inverted Data Input
4		GND	Ground
5	CML-I	Tx4n	Transmitter Inverted Data Input
6	CML-I	Tx4p	Transmitter Non-Inverted Data Input
7		GND	Ground
8	LVTTL-I	ModSelL	Module Select
9	LVTTL-I	ResetL	Module Reset
10		Vcc Rx	+3.3V Power Supply Receiver
11	LVCMOS- I/O	SCL	2-wire serial interface clock
12	LVCMOS- I/O	SDA	2-wire serial interface data
13		GND	Ground
14	CML-O	Rx3p	Receiver Non-Inverted Data Output
15	CML-O	Rx3n	Receiver Inverted Data Output
16		GND	Ground
17	CML-O	Rx1p	Receiver Non-Inverted Data Output
18	CML-O	Rx1n	Receiver Inverted Data Output
19		GND	Ground
20		GND	Ground
21	CML-O	Rx2n	Receiver Inverted Data Output
22	CML-O	Rx2p	Receiver Non-Inverted Data Output
23		GND	Ground
24	CML-O	Rx4n	Receiver Inverted Data Output
25	CML-O	Rx4p	Receiver Non-Inverted Data Output
26		GND	Ground
27	LVTTL-O	ModPrsL	Module Present
28	LVTTL-O	IntL	Interrupt
29		Vcc Tx	+3.3V Power supply transmitter
30		Vcc1	+3.3V Power supply
31	LVTTL-I	LPMode	Low Power Mode
32		GND	Ground
33	CML-I	Tx3p	Transmitter Non-Inverted Data Input
34	CML-I	Tx3n	Transmitter Inverted Data Input
35		GND	Ground
36	CML-I	Tx1p	Transmitter Non-Inverted Data Input
37	CML-I	Tx1n	Transmitter Inverted Data Input
38		GND	Ground

We supply all kinds of compatible optical transceiver modules, including SFP, SFP28 QSFP28 , XFP, BIDI,CWDM,DWDM and other special transceiver modules.  
Our products are compatible with Hilin, Cisco, ciena H3C, HP, Extreme, Foundry, Avaya, D-link, Alcatel, Riverstone, Enterasys, Netgear, Nortel, Juniper, Ruijie, Zyxel, Huawei,etc. 
We supply all kinds of compatible optical transceiver modules    

Products List

LINKOPTO Part Number	Description	Cable Type
40G QSFP+ to 4X 10G SFP+ Active Optical Cables
LQA4X-34S3CD1	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 1 meter	OM3
LQA4X-34S3CD2	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 2 meters	OM3
LQA4X-34S3CD3	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 3 meters	OM3
LQA4X-34S3CD4	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 4 meters	OM3
LQA4X-34S3CD5	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 5 meters	OM3
LQA4X-34S3CD7	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 7 meters	OM3
LQA4X-34S3CD10	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 10 meters	OM3
LQA4X-34S3CD15	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 15 meters	OM3
LQA4X-34S3CD20	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 20 meters	OM3
LQA4X-34S3CD25	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 25 meters	OM3
LQA4X-34S3CD30	40G QSFP+ to 4X 10G SFP+ Active Optical Cables 30 meters	OM3

QSFP28 To QSFP28 100G OM3 15m AOC Active Optical Cable

Ethernet SFP Module

BIDI SFP Modules

RJ45 SFP Module

10G SFP+ Module

10G XFP Module

40G QSFP+ Transceiver

100G QSFP28 Transceiver

X2 GBIC MODULE

DAC Direct Attach Cable

AOC Active Optical Cable

CWDM Mux Demux

DWDM Mux Demux

SFP Media Converter

Fiber Optic Accessories

Fiber Optical Switch

25G SFP28

QSFP28 To QSFP28 100G OM3 15m AOC Active Optical Cable

qsfp optical cable

qsfp-40g-sr4 cable

svideo to vga cable