QSFP+ 40G LR4 10KM

The QSFP+ 40G-LR4-10km module is a highly integrated 4x10G transceiver focused on reach, bandwidth, density and cost for high port-count 40G systems, and client-side 40G interfaces. The 40G QSFP+ LR4 Lite transceiver is designed for applications based on the IEEE802.3ba 40GBASE-LR4 standard of up to 10km reach.

Features of QSFP+ 40G LR4 10km

Reach: 10 km via SMF

Uncooled CWDM DFB lasers, directly modulated

Using ITU G.694.2 wavelength grid at 1271, 1291, 1311, and 1331nm

User controllable Transmit Input Equalization and Receiver Output Amplitude

MSA-compliant performance monitoring via I2C interface

Fiber connector: SMF LC duplex connector

Compliant with QDR/DDR InfiniBand data rates

Hot-pluggable electrical interface

0–70°C operating temp

Power dissipation < 3.5W

RoHS6 compliant (lead-free)

Applications of QSFP+ 40G LR4 10km

40G Ethernet

InfiniBand QDR and DDR interconnects

Specifications of QSFP+ 40G LR4 10km

Recommended Operating EnvironmentOptical Transmitter PerformanceOptical Receiver Performance

Recommended Operating Environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted.

Parameter Symbol Min Typical Max Unit

Power Supply Voltage VCC 3.135 3.300 3.465 V

Operating Case Temperature TC 0 25 70 °C

Pin Descriptions of QSFP+ 40G LR4 10km

Pin Definition of QSFP+ 40G LR4 10km

Pin Symbol Name/Description

1 GND Ground

2 Tx2n Transmitter Inverted Data Input

3 Tx2p Transmitter Non-Inverted Data Input

4 GND Ground

5 Tx4n Transmitter Inverted Data Input

6 Tx4p Transmitter Non-Inverted Data Input

7 GND Ground

8 ModSelL Module Select

9 ResetL Module Reset

10 Vcc Rx +3.3 V Power supply receiver

11 SCL 2-wire serial interface clock

12 SDA 2-wire serial interface data

13 GND Ground

14 Rx3p Receiver Non-Inverted Data Output

15 Rx3n Receiver Inverted Data Output

16 GND Ground

17 Rx1p Receiver Non-Inverted Data Output

18 Rx1n Receiver Inverted Data Output

19 GND Ground

20 GND Ground

21 Rx2n Receiver Inverted Data Output

22 Rx2p Receiver Non-Inverted Data Output

23 GND Ground

24 Rx4n Receiver Inverted Data Output

25 Rx4p Receiver Non-Inverted Data Output

26 GND Ground

27 ModPrsL Module Present

28 IntL Interrupt

29 Vcc Tx +3.3 V Power supply transmitter

30 Vcc1 +3.3 V Power Supply

31 LPMode Low Power Mode

32 GND Ground

33 Tx3p Transmitter Non-Inverted Data Input

34 Tx3n Transmitter Inverted Data Input

35 GND Ground

36 Tx1p Transmitter Non-Inverted Data Input

37 Tx1n Transmitter Inverted Data Input

38 GND Ground

Important Notice of QSFP+ 40G LR4 10km

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by T&S before they become applicable to any particular order or contract. In accordance with the T&S policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of T&S or others. Further details are available from any T&S sales representative.

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