English
Product Model:
ESCxx12-20D(I)Data Rate:
1.25GWavelength:
1270~1450nmDistance:
20KMConnector:
LCFiber Type:
SMDDM:
YESProduct Origin:
ChinaShipping Port:
ShenZhen/HK
Product Features
 |
 |
 |
 |
 |
| SFP CWDM 20KM | SFP CWDM 60KM | SFP DWDM 80KM | SFP DWDM 120KM | SFP DWDM 160KM |
|
1.25G |
1.25G |
1.25G |
1.25G | 1.25G |
|
20KM |
60KM |
80KM |
120KM |
160KM |
|
CWDM |
CWDM |
DWDM |
DWDM |
DWDM |
|
LC |
LC |
LC |
LC |
LC |
|
SM |
SM |
SM |
SM |
SM |
|
DDM |
DDM |
DDM |
DDM |
DDM |
|
COM: 0°C ~70°C EXT: -20°C ~85°C IND: -40°C ~85°C |
COM: 0°C ~70°C |
COM: 0°C ~70°C |
COM: 0°C ~70°C |
COM: 0°C ~70°C |
Q1: What is a 1.25G SFP transceiver?
A1: 1.25G SFP (Small Form-factor Pluggable) is a compact, hot-swappable optic module supporting 1.25Gbps speeds for fiber or copper networks, commonly used in Gigabit Ethernet and Fiber Channel applications.
Q2: What are the typical applications of 1.25G SFP?
A2: Gigabit Ethernet (1000BASE-SX/LX/ZX)
Fiber Channel (1G/2G/4G)
SDH/SONET networks
Q3: What is the maximum distance for 1.25G SFP LX?
A3: The 1000BASE-LX variant supports up to 10km over single-mode fiber (SMF), while 1000BASE-SX reaches 550m over multimode fiber (MMF).
Q4: What wavelengths do 1.25G SFP modules use?
A4: SX: 850nm (MMF); LX/ZX: 1310nm/1550nm (SMF)
Q5: How does a BIDI SFP differ from a standard SFP?
A5: Standard SFPs require two fibers (one for TX, one for RX), while BIDI SFPs use one fiber with wavelength-division duplexing (WDM).
Q6: How far can a 1.25G SFP ZX module transmit data?
A6: The ZX variant supports extended distances up to 80km over single-mode fiber, ideal for long-haul applications like telecom backbones.
Q7: Are 1.25G SFP modules compatible with industrial temperature ranges?
A7: Yes, many industrial-grade modules operate in extreme temperatures from -40°C to 85°C, ensuring reliability in harsh environments like outdoor networks.
Q8: What is the role of Digital Diagnostics Monitoring (DDM/DOM) in 1.25G SFP?
A8: DDM/DOM provides real-time tracking of parameters like temperature and optical power, enabling proactive maintenance and fault detection for network stability.
Q9: Can 1.25G SFP modules connect to CWDM or DWDM systems?
A9: Yes, specialized CWDM and DWDM variants exist for wavelength division multiplexing, allowing efficient bandwidth usage in metro or data center networks.
Q10: Why choose BIDI over standard SFP for FTTH?
A10: BIDI SFPs halve fiber usage, reducing infrastructure costs in passive optical networks (PON).
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Categories
Compatible with IEEE 802.3bj and IEEE 802.3cd Supports aggregate data rates of 400Gbps(PAM4) Optimized construction to minimize insertion loss and cross talk Pull-to-release slide latch design 28AWG through 30AWG cable Straight and break out assembly configurations available Customized cable braid termination limits EMI radiation Customizable EEPROM mapping for cable signature RoHS compliant FAQ: Q1: What is a DAC Cable (Direct Attach Copper Cable)? A1: A high-speed DAC cable is a cost-effective solution for short-distance data transmission, commonly used in data centers, cloud computing, and enterprise networking to connect switches, servers, and storage devices. Q2: What are the advantages of using DAC cables over optical transceivers? A2: Passive DAC cables are more affordable, consume less power, and offer lower latency than active optical cables (AOC) or fiber optics, making them ideal for 10G, 25G, 40G, and 100G Ethernet connections. Q3: What lengths are available for SFP+ DAC, QSFP+ DAC, and QSFP28 DAC cables? A3: Standard lengths range from 0.5m to 7m, with popular options like 1m DAC, 3m DAC, and 5m DAC cables for rack-to-rack connectivity. Q4: Are DAC cables compatible with Cisco, HPE, Juniper, Dell, and Arista devices? A4: Most SFP DAC and QSFP DAC cables are vendor-agnostic, but always verify compatibility with your switch or server model for seamless integration. Q5: Can high-speed DAC cables support 400G Ethernet? A5: Yes, QSFP-DD DAC and OSFP DAC cables now support 200G/400G data rates, ideal for hyperscale data centers and HPC (High-Performance Computing). Q6: Do passive DAC cables require external power? A6: No, passive copper DAC cables draw power directly from the device, reducing energy costs and heat dissipation in data center environments. Q7: What is the maximum distance for DAC cable transmission? A7: Copper DAC cables typically reach up to 7m—beyond this, consider active DAC cables or AOC/fiber optics for longer distances. Q8: Are DAC breakout cables hot-swappable? A8: Yes, hot-swappable DAC cables (e.g., QSFP+ to 4x SFP+ DAC) allow flexible deployment without system downtime. Q9: How to choose the right DAC cable for 10G/40G/100G networks? A9: Match your switch port type (SFP+, QSFP+, etc.), data rate, and length requirements. For high-density setups, opt for low-profile DAC cables. Q10: What is the difference between passive DAC and active DAC cables? A10: Passive DAC cables rely on device power and support shorter distances (up to 7m), while active DAC cables include signal amplification for extended reach (up to 15m) but consume more power.
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