Description
The J4858B is an HP Networking compatible 1000BASE-SX SFP optical transceiver, supporting 1.25Gbps data rates and transmission distances up to 550 meters over OM2 multimode fiber. Featuring DOM support, it is designed for high-performance short-range fiber connectivity.
Technical Specifications
|
Condition
|
New/Never Used Surplus
|
| Brand |
HP Networking
|
| Category |
|
| Part Number |
J4858B
|
| Subcatecory |
|
| Form Factor |
SFP |
| Max Data Rate |
1.25Gbps
|
| Wavelength |
850nm |
| Max Cable Distance |
550m over OM2 MMF |
| Connector |
Duplex LC |
| Optical Components |
VCSEL 850nm Transmitter, PIN Receiver |
| Media |
Multimode Fiber (MMF) |
| TX Power |
-9.5 dBm to -3 dBm |
| Receiver Sensitivity |
< -17 dBm |
| Commercial Temperature Range |
0 to 70°C (32 to 158°F) |
| Weight |
0.025 kg
|
Information About J4858B
The HP Compatible J4858B is a 1000BASE-SX Small Form-Factor Pluggable (SFP) transceiver, optimized for short-range Gigabit Ethernet applications. Operating at an 850nm wavelength, it is suitable for use with OM2 multimode fiber (MMF) cabling and delivers reliable connectivity up to 550 meters. Built with a VCSEL (Vertical-Cavity Surface-Emitting Laser) transmitter and a PIN photodiode receiver, the module ensures excellent optical performance with low power consumption, enhancing network efficiency and stability.
Key Features:
-
Short-Range Gigabit Ethernet: Supports 1.25Gbps over MMF up to 550 meters.
-
DOM Monitoring: Real-time diagnostics for proactive network management.
-
Standard-Based Compliance: MSA and IEEE 802.3z compatible for easy integration.
-
Energy-Efficient Design: Low-power VCSEL-based transmission.
-
Duplex LC Connector: Industry-standard interface for quick, reliable fiber connections.
The J4858B delivers efficient and dependable fiber connectivity, perfect for high-density networking environments where short-range, high-speed links are critical.
