1.25G DWDM SFP 80KM LC Optical Transceiver

Product Model:
ESDxx12-80D
Data Rate:
1.25G
Wavelength:
1528.77~1563.86nm
Distance:
80KM
Connector:
LC
Fiber Type:
SM
DDM:
YES
Product Origin:
Made in China
Shipping Port:
ShenZhen

Product Detail

1.25G DWDM SFP 80KM LC Optical Transceiver is an advanced, high-performance optical module engineered for long-haul, high-capacity communication in Dense Wavelength Division Multiplexing (DWDM) systems. Operating on precise ITU-T wavelength channels with narrow spacing, it enables the transmission of multiple high-speed data streams over a single fiber, significantly maximizing bandwidth capacity and fiber utilization.

Supporting data rates of 1.25Gbps, this transceiver achieves an extended transmission distance of up to 80 kilometers over standard single-mode fiber, making it ideally suited for metropolitan area networks, regional backbone links, and large-scale telecommunications infrastructures requiring high channel density and long reach.

Featuring a hot-pluggable SFP form factor and duplex LC connector interface, it ensures easy integration and compatibility with existing network equipment. With enhanced transmitter power, superior receiver sensitivity, and excellent temperature stability, this module delivers reliable performance in demanding environments, offering network operators a scalable and cost-efficient solution for building robust, future-proof optical transport networks.

Key Features

Wavelength selectable to C-band ITU-T grid wavelengths
Suitable for use in 100GHz channel spacing DWDM systems
DWDM SFP MSA Compliant
Dual data-rate of 1.25Gbps/1.063Gbps operation
Up to 2.67Gb/s data rate
OC-24 Long Reach 80km
Cold Start up Wavelength Compliance
Low Power Dissipation <1.3W Maximum
-5ºC to 70ºC Operating Case Temperature
Diagnostic Performance Monitoring of module temperature, supply Voltages, laser bias current, transmit optical power, receive optical power, Laser temperature and TEC current
Extended link budget with APD receiver technology RoHS compliant and lead free
Interface: LC connector


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 EXT: -20°C ~85°C IND: -40°C ~85°C	COM: 0°C ~70°C EXT: -20°C ~85°C IND: -40°C ~85°C	COM: 0°C ~70°C EXT: -20°C ~85°C IND: -40°C ~85°C	COM: 0°C ~70°C EXT: -20°C ~85°C IND: -40°C ~85°C

FAQ:

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).