About Aruba JL485A 25GBASE-eSR SFP28 Optical Transceiver in Bangladesh
The Aruba JL485A is a 25Gbps SFP28 optical transceiver designed for extended-short-reach Ethernet connectivity over multimode fiber. HPE Aruba identifies JL485A as the Aruba 25G SFP28 LC eSR 400m MMF Transceiver.
The module uses a single 25Gbps NRZ optical lane operating at 850nm. It is designed for 50/125µm multimode fiber and uses a duplex LC optical connector, providing an extended-reach 25GbE solution for data center and enterprise network environments.
HPE Aruba specifies a transmission distance of up to 200 meters over OM3 fiber and up to 400 meters over OM4 fiber. This extended reach makes JL485A particularly useful for larger data center deployments, rack-to-rack connectivity, switch-to-switch links, and other 25GbE applications where standard 25G SR optics are not sufficient.
Aruba JL485A 25GBASE-eSR SFP28 Optical Transceiver Specifications & Overview
| Specification |
Details |
| Brand |
Aruba Networking |
| Product Number |
JL485A |
| Product Type |
25G Optical Transceiver |
| Data Rate |
25Gbps |
| Form Factor |
SFP28 |
| Optical Standard |
25GBASE-eSR |
| Optical Lanes |
1 × 25G |
| Encoding |
NRZ |
| Wavelength |
850nm |
| Fiber Type |
Multimode Fiber (MMF) |
| Fiber Diameter |
50/125µm |
| Optical Connector |
Duplex LC (PC or UPC) |
| OM3 Reach |
200m |
| OM4 Reach |
400m |
| Digital Optical Monitoring |
Yes, partial |
| Power Requirement |
1.2W |
| Operating Temperature |
0°C to 70°C |
| Application |
25GbE Extended-Short-Reach Data Center Networking |
Overview
The Aruba JL485A 25GBASE-eSR SFP28 optical transceiver provides 25Gbps Ethernet connectivity through a compact SFP28 interface. It is designed for high-density network environments that require greater multimode fiber reach than conventional 25G SR optics.
The eSR architecture uses a single 25Gbps NRZ optical lane at 850nm. The module connects through duplex LC fiber and is optimized for OM3 and OM4 multimode infrastructure.
With a specified reach of 200 meters over OM3 and 400 meters over OM4, JL485A can provide substantially greater coverage than the Aruba JL484A 25G SR optic, which is specified for 70 meters over OM3 and 100 meters over OM4.
The transceiver uses 50/125µm multimode fiber. HPE Aruba specifies 2000 MHz·km modal bandwidth for OM3 and 4700 MHz·km for OM4. 25G SR/eSR optics are not supported over OM1 or OM2 quality multimode fiber.
The module uses duplex LC connectivity with PC or UPC connector polish. HPE Aruba specifies a 1.2W power requirement and a commercial operating temperature range of 0°C to 70°C.
Buy Aruba JL485A 25GBASE-eSR SFP28 Optical Transceiver in Bangladesh
Purchase the Aruba JL485A 25GBASE-eSR SFP28 Optical Transceiver from Datacom Technologies (BD). We supply Aruba networking equipment, SFP28 and QSFP28 optical transceivers, Ethernet switches, routers, servers, storage, fiber connectivity products, and data center infrastructure with competitive pricing, technical consultation, deployment assistance, and nationwide delivery throughout Bangladesh.
Compatibility
- Aruba 5420 Switch Series
- Aruba 6300 Switch Series
- Aruba 6300L Switch Series
- Aruba 6400 Series with supported SFP28 ports
- Aruba 8100 Switch Series through supported QSA28 configurations
- Aruba 8325 Series through supported QSA28 configurations
- Aruba 8360 Series
- Aruba 8400X Series with supported 25G modules
- Aruba 9300 Series through supported QSA28 configurations
- Compatible Aruba 25GbE SFP28 networking platforms
- 50/125µm OM3 multimode fiber
- 50/125µm OM4 multimode fiber
HPE Aruba's compatibility matrix lists JL485A on multiple Aruba platforms, with minimum AOS-CX software versions varying by switch model. Some platforms require a QSA28 adapter when using a 25G SFP28 optic in a QSFP28 port. Always verify the exact switch model, port type, software version, and supported optics list before deployment.
Applications
- 25GbE Data Center Networking
- Extended Rack-to-Rack Connectivity
- Switch-to-Switch Connectivity
- Server-to-Switch Connectivity
- Top-of-Rack Networking
- Leaf-to-Spine Networking
- Data Center Aggregation
- Cloud Infrastructure
- High-Performance Computing
- AI and GPU Server Networking
- Extended-Reach Multimode Fiber Links
Benefits
- 25Gbps high-speed Ethernet connectivity
- Compact SFP28 form factor
- 850nm optical transmission
- Single 25G NRZ optical lane
- Multimode fiber support
- Duplex LC optical interface
- Up to 200m over OM3
- Up to 400m over OM4
- 1.2W power requirement
- Partial Digital Optical Monitoring support
- Longer reach than standard 25G SR optics
- Ideal for high-density data center networks
Why Buy from Datacom Technologies (BD)?
Datacom Technologies (BD) supplies enterprise networking and data center products in Bangladesh, including Aruba networking equipment, SFP28 optical transceivers, Ethernet switches, routers, servers, storage, and fiber connectivity solutions. Customers can get competitive pricing, technical consultation, deployment assistance, and after-sales support.
- Call/WhatsApp: +8801748173213
- Email: sales@datacom.com.bd
- Alternative Email: datacomtechnologiesbd@gmail.com
- Office: Tropical Center, 218, Dr. Kudroti Khuda Road, New Elephant Road, Dhaka-1205, Bangladesh
Frequently Asked Questions (FAQ)
Q1: What is the data rate of the Aruba JL485A?
The JL485A provides 25Gbps Ethernet connectivity.
Q2: What is the official Aruba product number?
The official product number is JL485A.
Q3: What does 25GBASE-eSR mean?
25GBASE-eSR refers to an extended-short-reach 25GbE optical architecture designed to provide greater multimode fiber reach than standard 25G SR optics.
Q4: What type of fiber does the JL485A use?
The JL485A uses 50/125µm multimode fiber.
Q5: What is the maximum reach over OM3?
HPE Aruba specifies up to 200 meters over OM3 multimode fiber.
Q6: What is the maximum reach over OM4?
HPE Aruba specifies up to 400 meters over OM4 multimode fiber.
Q7: What connector does the JL485A use?
The module uses a duplex LC optical connector and supports PC or UPC connector polish.
Q8: Can JL485A be used over OM1 or OM2 fiber?
No. HPE Aruba states that 25G SR/eSR optics are not supported over OM1 or OM2 quality multimode fiber.
Q9: What is the difference between JL484A SR and JL485A eSR?
Both operate at 850nm over multimode fiber, but JL484A supports up to 70m over OM3 and 100m over OM4, while JL485A extends the specified reach to 200m over OM3 and 400m over OM4.
Q10: Does JL485A support DOM?
Yes. HPE Aruba identifies JL485A as supporting partial Digital Optical Monitoring.
Q11: Can JL485A be used in a QSFP28 port?
On supported Aruba platforms, yes, through a compatible QSA28 adapter. The exact switch model and software version must support the configuration.
Q12: Can JL485A provide a 400m link when connected to a 100G SR4 optic?
No. Although the 25G eSR optic is optically compatible for supported breakout configurations, the total link distance is limited by the 100G SR4 optic to 70m over OM3 or 100m over OM4. HPE Aruba explicitly documents this limitation.
Q13: Is JL485A suitable for AI and GPU networking?
Yes. Its 25Gbps bandwidth and extended multimode reach make it suitable for supported server, GPU, HPC, and data center networking applications.
Q14: What is the power requirement of JL485A?
HPE Aruba specifies a required power level of 1.2W.
Q15: Where can I buy Aruba JL485A in Bangladesh?
You can contact Datacom Technologies (BD) for Aruba SFP28 optical transceivers, networking equipment, and data center solutions with competitive pricing, technical consultation, and nationwide delivery.
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