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Juniper PB-4GE-SX 4-Port 1000Base-SX Gigabit Ethernet Interface Card
- 4 x 1000Base-SX Gigabit Ethernet ports
- Utilizes SFP (Small Form-Factor Pluggable) transceivers for flexibility
- Supports short-wavelength optics for multimode fiber
- Ideal for data center interconnects and campus networks
- Provides high-throughput Layer 2 and Layer 3 forwarding
- Designed for Juniper M-series and T-series routers
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Product Overview
The Juniper PB-4GE-SX is a 4-port Gigabit Ethernet interface card utilizing 1000Base-SX optics. It provides high-speed Ethernet connectivity for data aggregation and high-bandwidth applications within Juniper routers.
Technical Information
| Port Type | Gigabit Ethernet (1000Base-SX) |
| Number of Ports | 4 |
| Transceiver Type | SFP |
Additional Specifications
| Fiber Type | Multimode |
| Interface Type | Interface Card |
| Compatibility | Juniper M-series, T-series routers |
Product Description
The Juniper PB-4GE-SX is a high-performance interface card designed to equip Juniper M-series and T-series routers with four Gigabit Ethernet ports. Each port supports the 1000Base-SX standard, which utilizes short-wavelength optics and is optimized for operation over multimode fiber optic cables. This makes the card particularly well-suited for shorter-reach applications, such as within data centers, across a campus network, or between adjacent buildings. The card leverages Small Form-Factor Pluggable (SFP) transceivers, offering significant flexibility to network administrators. This allows for the selection of specific SFP modules based on the required reach, connector type, and other environmental factors. The 1000Base-SX standard typically supports distances up to 550 meters over standard multimode fiber, providing ample bandwidth for demanding data aggregation and high-speed connectivity needs. With its four Gigabit Ethernet interfaces, the PB-4GE-SX enables routers to handle substantial volumes of network traffic. It is commonly deployed in scenarios requiring high-throughput Layer 2 switching or Layer 3 routing, facilitating efficient data flow for applications such as server access, storage networking, and inter-building connectivity. Its integration into Juniper's routing platforms ensures robust performance and manageability for enterprise and service provider networks.