Optical Transceiver Modules Quick Start Guide V3.0

Jan 07, 2026 - For details, please click the attachment icon below to view or download for a good reading experience or resources.

SFP-25G32-BX30-I 1310nm-TX/1270nm-RX Data Sheet

Jun 29, 2025 - For details, please click the attachment icon below to view or download for a good reading experience or resources.

SFP-25G32-BX30-I data sheet

Jun 26, 2025 - SFP-25G32-BX30-I data sheet Applications • 25GBASE-ER • CPRI Option 10/e CPRI Standards SFF-8472 SFF-8402 SFF-8432 SFF-8431 CEI-28G-VSR Features • Up to 30 km Transmission Distance • LC Single Connector • Low Power Consumption <1.5W • -40℃ to 85℃ Operating Case Temperature Range • Single 3.3V±5% Power Supply • Hot Pluggable SFP28 MSA Compliant Description The SFP28 transceiver provides up to 30km of 25GBase-BX throughput over single-mode fiber (SMF) using 1310nm-TX/1270nm-RX wavelengths via LC simplex connectors. This bi-directional unit must be used with another transceiver or network equipment of complementary wavelengths.It provides 25GBASE Ethernet connectivity options for 25G Ethernet, telecom, data center and 5G Network Fronthaul. It is fully compliant with SFF-8472, SFF-8402, SFF-8432, SFF-8431, MSA and eCPRI standards. Product Specifications I. Absolute Maximum Ratings Parameter Symbol Min. Max. Unit Storage Temperature TS -40 85 ℃ Supply Voltage VCC -0.5 3.6 V Relative Humidity RH 5 95 % II. Recommended Operating Conditions Parameter Symbol Min. Typical Max. Unit Operating Case Temperature Range TC -40 85 ℃ Power Supply Voltage VCC 3.135 3.3 3.465 V Bit Rate BR 25.78125 Gb/s Max Supported Link Length L 30 km III. Electrical Characteristics Parameter Symbol Min. Typical Max. Unit Note Supply Voltage VCC 3.315 3.3 3.465 V Supply Current ICC 360 mA Transmitter Input Differential Impedance Rin 100 Ω Single Ended Data Input Swing Vin 90 450 mVp-p Transmit Disable Voltage VDIS 2 VCCHOST V Transmit Enable Voltage VEN VEE VEE+0.8 V Transmit Fault Assert Voltage TFA 2.2 VCCHOST V Transmit Fault De-Assert Voltage VFDA VEE VEE+0.4 V Receiver Single Ended Data Output Swing VOD 200 450 mVp-p LOS Fault VLOSFT 2.2 VCCHOST V LOS Normal VLOSNR VEE VEE+0.4 V IV. Optical Parameters Parameter Symbol Min. Typical Max. Unit Note Transmitter Center Wavelength λ 1260 1270 1280 nm 1 1300 1310 1320 nm 2 Side Mode Suppression Ratio SMSR 30 dB Optical Output Power Pav 0 6 dBm Extinction Ratio ER 4 dB Transmitter and Dispersion Penalty TDP 1.5 dB Average Launch Power of OFF Transmitter POFF -30 dBm Receiver Center Wavelength λ 1300 1310 1320 nm 1 1260 1270 1280 nm 2 Overload -7.5 dBm Receiver Power Pav - 18 dBm 3 Assert LOS LOSA -30 dBm De-Assert LOS LOSD -20 dBm LOS Hysteresis 0.5 dB Note: RTX330-238. RTX330-239. Measured with 25.78125Gb/s, PRBS 231- 1, NRZ, ER>4dB, BER<5E-5. V. Pin Assignment image.png VI. Transceiver Pin Descriptions Pin No. Symbol Logic Description 1, 17,20 VEET Connected to signal ground on the host board 2 TX Fault LVTTL Output Module transmitter fault output 3 TX Disable LVTTL Input Module transmitter disable control 4 SDA LVTTL Input/Output 2-wire serial interface data 5 SCL LVTTL Input/Output 2-wire serial interface clock 6 MOD-ABS Module absent (connected to Module ground) 7 RS0 LVTTL Input Rate select 0 (Rx) :Low=CDR Bypass ; High=CDR Select 8 LOS LVTTL Output Receiver loss of signal 9 RS1 LVTTL Input Rate select 1 (Tx) :Low=CDR Bypass ; High=CDR Select 10, 11, 14 VEER Connected to signal ground on the host board. 12 RD- CML Output Receiver inverted data output, internally AC coupled and terminated 13 RD+ CML Output Receiver non-inverted data output, internally AC coupled and terminated. 15 VCCR Receiver power 3.3V supply 16 VCCT Transmitter power 3.3V supply 18 TD+ CML Input Transmitter non-inverted data input, internally AC coupled and terminated. 19 TD- CML Input Transmitter inverted data Input, internally AC coupled and terminated. VII. Principle Diagram image.png VIII. Mechanical Dimensions: image.png Test Center I. Compatibility Testing Each fiber optical transceiver has been tested in host device on site in FS Assured Program to ensure full compatibility with over 200 vendors. image.png Above is part of our test bed network equipment. For more information, please click the Test Bed PDF. It will be updated in real time as we expand our portfolio. II. Performance Testing Each fiber optical transceiver has been fully tested in FS Assured Program equipped with world's most advanced analytical equipment to ensure that our transceivers work perfectly on your device. image.png Ordering Information Part Number Description SFP28-25G-BX 25G SFP28 1270nm-TX/1330nm-RX 10km DOM Transceiver SFP28-25G-BX 25G SFP28 1330nm-TX/1270nm-RX 10km DOM Transceiver SFP28-25G-BX20 25G SFP28 1270nm-TX/1330nm-RX 10km DOM Transceiver SFP28-25G-BX20 25G SFP28 1330nm-TX/1270nm-RX 10km DOM Transceiver SFP28-25G-BX40 25G SFP28 1270nm-TX/1310nm-RX 40km DOM Transceiver SFP28-25G-BX40 25G SFP28 1310nm-TX/1270nm-RX 40km DOM Transceiver SFP28-25G-BX-I 25G SFP28 1270nm-TX/1330nm-RX 10km Industrial DOM Transceiver SFP28-25G-BX-I 25G SFP28 1330nm-TX/1270nm-RX 10km Industrial DOM Transceiver SFP28-25G-BX20-I 25G SFP28 1270nm-TX/1330nm-RX 20km Industrial DOM Transceiver SFP28-25G-BX20-I 25G SFP28 1330nm-TX/1270nm-RX 20km Industrial DOM Transceiver SFP28-25G-BX30-I 25G SFP28 1270nm-TX/1310nm-RX 30km Industrial DOM Transceiver SFP28-25G-BX30-I 25G SFP28 1310nm-TX/1270nm-RX 30km Industrial DOM Transceiver SFP28-25G-BX40-I 25G SFP28 1270nm-TX/1310nm-RX 40km Industrial DOM Transceiver SFP28-25G-BX40-I 25G SFP28 1310nm-TX/1270nm-RX 40km Industrial DOM Transceiver

Apr 15, 2025 - For details, please click the attachment icon below to view or download for a good reading experience or resources.