Technical Specifications

FAQ

1. What is the main function of the 1783-SFP1GLX?
The 1783-SFP1GLX is a Gigabit fiber-optic SFP transceiver designed to provide 1 Gbps Ethernet communication over single-mode fiber. It is installed in compatible Stratix Ethernet switches that provide SFP slots and converts the electrical Ethernet interface inside the switch into an optical fiber connection. This makes it suitable for industrial network uplinks, connections between control cabinets, and communication between network devices located over relatively long distances.

2. What fiber type does the 1783-SFP1GLX use?
The 1783-SFP1GLX is designed for single-mode fiber and uses G.652 fiber specifications. It operates at a nominal wavelength of 1310 nm and uses a dual LC optical connector. When selecting the fiber cable, the cable type, connector, wavelength, and optical characteristics should be matched with the transceiver installed at the other end of the link. Using an incompatible fiber type or optical module can result in weak optical signals or complete loss of communication.

3. What is the maximum transmission distance of the 1783-SFP1GLX?
The maximum specified cable length is 10 km under suitable single-mode fiber conditions. The actual achievable distance depends on the total optical loss of the link, including fiber attenuation, connector losses, patch panels, and other passive components. For long-distance industrial installations, the complete optical power budget should be checked rather than relying only on the nominal 10 km rating. Proper fiber termination and clean optical connectors are also important for maintaining stable communication.

4. What wavelength does the 1783-SFP1GLX use?
The 1783-SFP1GLX operates at a wavelength of 1310 nm. This wavelength is commonly used with single-mode fiber for Gigabit Ethernet transmission over relatively long distances. Both ends of the fiber link must use compatible optical characteristics. When troubleshooting a fiber connection, checking the wavelength, fiber type, connector condition, transmit power, and receive power can help identify whether the problem is caused by the optical components or the fiber installation.

5. What connector is used by the 1783-SFP1GLX?
The 1783-SFP1GLX uses a dual LC fiber-optic connector. The two LC connections are used for the transmit and receive paths of the fiber link. During installation, the transmit output from one device must be connected to the receive input of the device at the opposite end, with the correct fiber polarity maintained throughout the link. Dirty, damaged, or incorrectly connected LC connectors can cause high optical loss and may result in intermittent or completely unavailable network communication.

6. Does the 1783-SFP1GLX support Digital Optical Monitoring?
Yes. The 1783-SFP1GLX supports Digital Optical Monitoring (DOM). DOM can provide useful information about the optical operating condition of the SFP module, helping engineers monitor parameters associated with the fiber connection and identify potential problems. During troubleshooting, DOM information can be useful for determining whether a communication fault is related to insufficient receive power, abnormal optical transmission conditions, or other fiber-link issues.

7. Which Stratix switches are compatible with the 1783-SFP1GLX?
The 1783-SFP1GLX is designed for use with compatible Stratix platforms that support the appropriate Gigabit SFP interface. Compatible platforms include Stratix 5400, Stratix 5410, Stratix 5700, Stratix 6000, Stratix 8000, and Stratix 8300. Before installation, the specific switch model, firmware requirements, available SFP slot, and supported SFP specifications should be checked. The optical module at the opposite end of the fiber connection should also provide matching 1000BASE-LX/LH characteristics.

8. What should be checked if the 1783-SFP1GLX has no fiber communication?
If the fiber link does not establish communication, begin by checking whether the SFP module is fully inserted into the switch and whether the switch recognizes the module. Next, verify that both ends of the connection use compatible 1000BASE-LX/LH single-mode optical modules and that the wavelength and fiber type are appropriate. The LC connectors should be inspected for contamination, physical damage, or incorrect polarity. Engineers should also check the fiber length, optical attenuation, transmit power, receive power, and DOM information where available. If the physical fiber link is healthy, the next step is to verify the Ethernet port configuration, link status, and network settings on the connected devices.