


Product Features
MTP/MP0 optical connector
Single +3.3V power supply
Hot-pluggable QSFP28 MSA form factor
Up to 100m OM4 MMF Distance
4x28G Electrical Serial Interface (CEI-28G-VSR)
AC coupling of CML signals
Low power dissipation(Max:3.5W)
Built in digital diagnostic function
Operating case temperature range:0ºC to 70ºC
Compliant with 100GBASE-SR4
I2C Communication Interface
Applications
100GBASE-SR4
Infiniband QDR/DDR/SDR
100G Datacom connections HL-QSFP-40G-SR4 | | | | | | | | |
Item | Description |
Transceiver form factor | QSFP+ |
Transmission speed | 40GE |
Center wavelength (nm) | 850 |
Standards compliance | 40GBASE-SR4 |
Connector type | MPO/PC (8-strand or 12-strand, type B, female connector) |
Applicable cable and maximum transmission distance | Multimode fiber (OM3): 0.1 km |
Multimode fiber (OM4): 0.2 km |
Transmit power (dBm) | -7.6 to +2.4 |
Maximum receiver sensitivity (dBm) | -5.4 |
Overload power (dBm) | 2.4 |
Extinction ratio (dB) | 3 |
Operating temperature | 0°C to 70°C (32°F to 158°F) |
Part number | HL-QSFP-40G-SR4 |
Standards | | | | | | | | |
Compliant with IEEE 802.3ba | |
Compliant with QSFP28 MSA hardware specifications | |
Compliant with RoHS | |
| | | | | | | | |
QSFP28 series | | | | | | | | |
Package | Part Number | Data Rate | Reach | Wave | TX | RX Sens | Power Cons | Interface |
(km) | (nm) | (dBm) | (dBm) |
QSFP28 SR4 | HL-QSFP28-SR4 | 100G | 150m | 850 | -8.4~2.4 | -10.3 | <2W | MPO |
QSFP28 PSM4 | HL-QSFP28-PSM4 | 100G | 2km | 1310 | -6.0~2.0 | -10.1 | <3.5W | MPO |
QSFP28 CWDM4 | HL-QSFP28-IR4 | 100G | 2km | CWDM | -6.5~2.5 | -10.1 | <3.5W | LC |
QSFP28 LR4 | HL-QSFP28-LR4 | 100G | 10km | LAN WDM | -4.3~4.5 | -10.6 | <3.5W | LC |
QSFP28 LR4 25KM | HL-QSFP28-25K | 100G | 25km | LAN WDM | -4.1~4.5 | -11.5 | <3.5W | LC |
QSFP28 ER4 Lite | HL-QSFP28-ER4 | 100G | 40km | LAN WDM | -2.5~4.5 | -18.5 | <4W | LC |
Product Features
MTP/MP0 optical connector
Single +3.3V power supply
Hot-pluggable QSFP28 MSA form factor
Up to 100m OM4 MMF Distance
4x28G Electrical Serial Interface (CEI-28G-VSR)
AC coupling of CML signals
Low power dissipation(Max:3.5W)
Built in digital diagnostic function
Operating case temperature range:0ºC to 70ºC
Compliant with 100GBASE-SR4
I2C Communication Interface
Applications
100GBASE-SR4
Infiniband QDR/DDR/SDR
100G Datacom connections HL-QSFP-40G-SR4 | | | | | | | | |
Item | Description |
Transceiver form factor | QSFP+ |
Transmission speed | 40GE |
Center wavelength (nm) | 850 |
Standards compliance | 40GBASE-SR4 |
Connector type | MPO/PC (8-strand or 12-strand, type B, female connector) |
Applicable cable and maximum transmission distance | Multimode fiber (OM3): 0.1 km |
Multimode fiber (OM4): 0.2 km |
Transmit power (dBm) | -7.6 to +2.4 |
Maximum receiver sensitivity (dBm) | -5.4 |
Overload power (dBm) | 2.4 |
Extinction ratio (dB) | 3 |
Operating temperature | 0°C to 70°C (32°F to 158°F) |
Part number | HL-QSFP-40G-SR4 |
Standards | | | | | | | | |
Compliant with IEEE 802.3ba | |
Compliant with QSFP28 MSA hardware specifications | |
Compliant with RoHS | |
| | | | | | | | |
QSFP28 series | | | | | | | | |
Package | Part Number | Data Rate | Reach | Wave | TX | RX Sens | Power Cons | Interface |
(km) | (nm) | (dBm) | (dBm) |
QSFP28 SR4 | HL-QSFP28-SR4 | 100G | 150m | 850 | -8.4~2.4 | -10.3 | <2W | MPO |
QSFP28 PSM4 | HL-QSFP28-PSM4 | 100G | 2km | 1310 | -6.0~2.0 | -10.1 | <3.5W | MPO |
QSFP28 CWDM4 | HL-QSFP28-IR4 | 100G | 2km | CWDM | -6.5~2.5 | -10.1 | <3.5W | LC |
QSFP28 LR4 | HL-QSFP28-LR4 | 100G | 10km | LAN WDM | -4.3~4.5 | -10.6 | <3.5W | LC |
QSFP28 LR4 25KM | HL-QSFP28-25K | 100G | 25km | LAN WDM | -4.1~4.5 | -11.5 | <3.5W | LC |
QSFP28 ER4 Lite | HL-QSFP28-ER4 | 100G | 40km | LAN WDM | -2.5~4.5 | -18.5 | <4W | LC |


Company ProfileTELEFLY Telecommunications Equipment Co., Ltd. is a leading Chinese manufacturer founded in 2004, certified by SGS. We provide high quality and price competitive fibre optic cable, fibre optic patch cords, fibre optic patch panels, FTTH equipments, fibre optique patch panels, optical splitters, WDM, optical attenuators, fast connectors ,Ethernet switch ,SFP transceiver and so on. Up till now, our products and solutions have been deployed in over 60 countries and regions, TELEFLY is looking forward to strengthening friendly cooperative relationships with all clients, creating benefits together and sharing the joy of success!

Why you choose TELEFLY be one of your partner?1.Customer get satisfied quality and service with competitive price and punctual delivery.
2.OEM service with 13-year experiences, free samples are available.
3.Prompt answer for any question and inquiry in the shortest time.
4.Factory directly,reduce your cost and save time.
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