http://www.topnetsystem.com/25g-32g-sfp28.html en http://www.topnetsystem.com/25g-sfp28-sr.html The SFP28 SR module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. http://www.topnetsystem.com/ 2021/5/6 21:47:32 http://www.topnetsystem.com/25g-32g-sfp28-lr.html The SFP28 LR module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. http://www.topnetsystem.com/ 2021/5/6 21:50:13 http://www.topnetsystem.com/25g-sfp28-cwdm.html The SFP28 LR CWDM module electrical interface is compliant to OFI CEI-VSR-28G-VSR. It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference. http://www.topnetsystem.com/ 2021/5/6 21:53:17 http://www.topnetsystem.com/25g-sfp28-dwdm.html The SFP28 LR DWDM module electrical interface is compliant to OFI CEI-VSR-28G-VSR. It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference. http://www.topnetsystem.com/ 2021/5/6 22:00:35 http://www.topnetsystem.com/25g-sfp28-bidi-tx1270-rx1330-10km.html 25G SFP28 BIDI consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. http://www.topnetsystem.com/ 2021/5/6 22:07:37 http://www.topnetsystem.com/25g-sfp28-bidi-tx1330-rx1270-10km.html 25G SFP28 BIDI consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements. http://www.topnetsystem.com/ 2021/5/6 22:11:02 http://www.topnetsystem.com/32g-32g-sfp28-sr.html The SFP28 SR module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. http://www.topnetsystem.com/ 2021/10/9 14:28:33 http://www.topnetsystem.com/32g-sfp28-lr.html The SFP28 LR module electrical interface is compliant to SFI electrical specifications. The transmitter input and receiver output impedance is 100 Ohms differential. Data lines are internally AC coupled. http://www.topnetsystem.com/ 2021/10/9 14:35:16