ZTE SFP-GE-S120K Compatible 1000Base SFP ZX120 Transceiver Module (1550nm SMF 120km LC DDM)
Product Details
| ZTE Compatible | SFP-GE-S120K | Vendor Name | Walsun |
| Form Factor | SFP | Max Data Rate | 1.25Gbps |
| Wavelength | 1550nm | Max Distance | 120km |
| Connector | Duplex LC | Transmitter Type | 1550nm DFB |
| Cable Type | SMF | Receiver Type | APD |
| TX Power | +1.0~+5.0dBm | Receiver Sensitivity | < -32.0dBm |
| Protocols | SFF-8472 MSA Compliant, IEEE 802.3ah-2004 | Operation Temperature | 0 to 70°C (32 to 158°F) |
SFP Modules and DAC Cables
SFP modules and DAC cables are used inside SFP28/SFP/SFP+ slots on Walsun or client devices. These slots allow for versatile connectivity options using different types of cabling.
SFP+ and SPF28 DAC Cables: Establishing 1/10/25 Gbps connections over short distances, e.g. between devices in the same rack.
SFP/SFP+ Modules: Establishing 1/10 Gbps connections over long (fiber) or short distances (copper).
SFP28 Modules: Provide high speed 25Gbps connections over a long distance using fiber cables.
| SFP Fiber | SFP Copper | SFP+ Fiber | SFP+ Copper | SFP+ DAC | SFP28 Fiber | SFP28 DAC | |
| Cable Type | Fiber | Ethernet | Fiber | Ethernet | DAC | Fiber | DAC |
| Connectors | SFP LC |
SFP RJ45 |
SFP+ LC |
SFP+ RJ45 |
SFP+ | SFP28 LC |
SFP28 |
| Data Rate | 1 Gbps | 1 Gbps | 10 Gbps | 10 Gbps | 10 Gbps | 25 Gbps | 25 Gbps |
| Distance | 550m (MM) 3km (SM) |
100m | 300m (MM) 10km (SM) |
100m | 0.5 – 30m | 100m (MM) 10km (SM) |
0.5 – 30m |
Single Mode SFP vs Multi-Mode SFP
Single Mode SFP works using Single-Mode fibre, which has a typical core diameter of 9?m (micrometres).
It mainly works in 1310nm & 1550nm (nanometres) wavelengths, meaning it is suitable for long-distance data transmission applications, allowing distances up to 80km (providing the transceiver is capable of extended SFP).
Multi-Mode SFP works using multimode fibre, which has a core diameter of 50?m (micrometres).
The most common Multi-Mode SFP transceivers work mainly in 850nm wavelengths, which means it is more suitable for shorter transmission distances, achieving up to 500 meters, once again providing that the transceiver is capable of extended SFP.
Frequently Asked Questions (FAQs)
Q: What is an RJ45 SFP transceiver module?
A: A little plug-in gadget that can be inserted into a Gigabit Ethernet slot by means of an RJ45 connector is called RJ45 SFP transceiver module. Designed for twisted pair networking cables, it enables copper Ethernet connection over.
Q: How does an SFP to RJ45 module work in a network using 1000BASE-T technology?
A: In order to enable data transmission at speeds up to 1 Gbps over distances of up to 100 meters (using CAT5e or higher cabling common in Ethernet networks), what setups are necessary for this to happen? Connecting a 1000BASE-T RJ45 Ethernet cable with an SFP slot on any networking device will do just fine.
Q: Can I use any RJ45 SFP module with my Cisco equipment?
A: No, proprietary programming requirements of some equipment manufacturers make it impossible for all types of RJ45SFPs to work universally, hence not being compatible with every brand, such as CISCO, which needs specific transceivers like Cisco SFP-10G-T-S designed only for their devices – so always check before you buy!
Q: Can I use hot-pluggable RJ45 SFP transceiver modules on ethernet switches?
A: Yes, there are various kinds of hot-pluggable RJ45 SFP transceiver modules available for use with ethernet switches. These modules make it possible to insert or remove a transceiver without having to power down the network device thereby making it easy for one to upgrade or perform maintenance on their network without causing any disruptions.
Q: Why are duplex systems important in RJ45 SFP module networks?
A: The nature of data transmission across a network largely depends on whether it operates in full-duplex mode or half-duplex mode; hence, duplex systems play an integral role within any given network comprised of RJ45S FP modules. In full-duplex mode, data can flow simultaneously in both directions, but if it were operating under half-duplex, then only one direction would be allowed at a time, thus affecting the efficiency and overall performance of the entire network.
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