Technical Specifications

QSFP+ Specifications

The following lists the specifications for the SR4 QSFP+ module. The SR4 QSFP+ module conforms to the 802.3ba D3.2 (40GBASE-SR4) standard.

This module is a Class 1M laser device.

SR4 QSFP+ Specifications

Table 56: Transmitter

Parameter

Minimum

Typical

Maximum

 

 

 

 

Average launch power, each lane

-7.6 dBm

 

2.4 dBm

 

 

 

 

Center wavelength

840 nm

850 nm

860 nm

 

 

 

 

Table 57: Receiver

Parameter

Minimum

Typical

Maximum

 

 

 

 

Stressed receiver sensitivity in OMA, each lane

 

 

-5.4 dBm

 

 

 

 

Average receive power (max), each lane

-9.5 dBm

 

2.4 dBm

 

 

 

 

Operating wavelength

840 nm

850 nm

860 nm

 

 

 

 

Table 58: Link

Parameter

Minimum

Typical

Maximum

 

 

 

 

Link power budget

1.9 dB

 

10 dB

 

 

 

 

Table 59: Operating distance over each fiber type:

Parameter

Minimum

Typical

Maximum

 

 

 

 

OM3 fiber

 

 

100 m

OM4 fiber

 

 

150 m

 

 

 

 

LR4 QSFP+Specifications

Table 60: LR4 QSFP+ Specifications

Parameter

Minimum

Maximum

 

 

 

Transmitter

 

 

 

 

 

Average launch power, each lane

-7.0 dBm

2.3 dBm

 

 

 

Center wavelength

1264.5 nm

1277.5 nm

 

 

 

 

1284.5 nm

1297.5 nm

 

 

 

 

1304.5 nm

1317.5 nm

 

 

 

Pluggable Hardware Installation Guide

65

Page 65
Image 65
Extreme Networks 10018 SR4 QSFP+ Specifications, LR4 QSFP+Specifications, Operating distance over each fiber type