100G QSFP28 to 4×25G SFP28 Active Optical Cable(AOC)

Compliant with theSFF-8436 QSFP28 MSA standard
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SPECIFICATIONS
Cable End Connector ASFP+Cable End Connector BSFP+
Jumper TypeDirect-AttachData Rate10G
Aggregate Bit Rate10.3125GbpsLane Bit Rate10Gbps
Number of Channels1Single Channel Rate10G
Array TransmitterVSCELArray ReceiverPIN
Minimum Bend Radius30mmFactory BrandPHILISUN
Center(Operating) Wavelength850nmBit Error Rate≤10-12
Fiber TypeOM3 MMF MAX 300mCable ColourAqua
Cable MaterialLSZH/OFNPCable Length Selection1-300 meter
Safety CertificationTUV/UL/FDAApplication Scenarios10 Gigabit Ethernet (10GbE)
ProtocolsSFF-8636/SFF-8431/SFP MSA
10 Gigabit Ethernet
1x InfiniBand QDR, DDR, SDR		DDMI(Commercial)YES
Supply Voltage3.3VPower Dissipation<0.8W
Operating Temperature0 to 70℃ (32 to 158℉)Storage Temperature-40 to 85℃ (-40to185℉)

 

PRODUCT PRESENTATION
The PHILISUN 100G QSFP28 to 4×25G SFP28 Active Optical Breakout Cable is a direct-attach fiber assembly designed for linking 100G devices to 25G devices. The product complies with SFF-8436, SFF-8431, and MSA standards and is suitable for heterogeneous connections across adjacent racks. It uses OM3 Multimode Fiber. Its compact structure and fully sealed integrated optics reduce costs compared to conventional optical modules and jumpers, while significantly improving reliability and reducing maintenance. This AOC guarantees broad compatibility with major vendor platforms including Cisco, H3C, Huawei, Juniper, and Arista, and more.

 

AOC SERIES PRODUCTS

 

PRODUCTION & TESTING EQUIPMENT

 

PERFORMANCE PARAMETER
Absolute Maximum Ratings
Parameter Symbol Min Typ. Max Unit Ref.
Storage Temperature Ts -40 – 85 ℃ –
Operating Case Temperature TOP 0 – 70 ℃ –
Power Supply Voltage VCC -0.5 – 3.6 V –
Relative Humidity (non-condensation) RH 0 – 85 % –

 

Recommended Operating Environment
Parameter Symbol Min Typ. Max Unit Ref.
Operating Case Temperature TOP 0 – 70 ℃ –
Power Supply Voltage VCC 3.135 3.3 3.465 V –
Data Rate, each Lane (QSFP28) – – 25.78125 – Gb/s –
Data Rate (each SFP28) – – 25.78125 – Gb/s –
Control Input Voltage High – 2 – VCC V –
Control Input Voltage Low – 0 – 0.8 V –

 

Electrical Characteristics-QSFP28 Terminal
Parameter Symbol Min Typ. Max Unit Ref.
Power Consumption, each Terminal – – – 3.5 W –
Supply Current, each Terminal Icc – – 1060 mA –
Transceiver Power-on Initialization Time – – – 2000 ms 1
Transmitter (each Lane)
Single Ended Input Voltage
Tolerance (Note 2)		 – -0.3 – 3.6 V –
AC Common Mode Input Voltage
Tolerance		 – 15 – – mV RMS
Differential Input Voltage Swing Threshold – 50 – – mVpp LOSA
Threshold
Differential Input Voltage Swing Vin,pp 180 – 1000 mVpp –
Differential Input Impedance Zin 90 100 110 Ohm –
Total Jitter – – – 0.40 UI –
Deterministic Jitter – – – 0.15 UI –
Receiver (each Lane)
Single Ended Output Voltage – -0.3 – 4 V –
AC Common Mode Output Voltage – – – 7.5 mV RMS
Differential Output Voltage Swing Vout,pp 300 – 1000 mVpp –
Differential Output Impedance Zout 90 100 110 Ohm –
Total Jitter – – – 0.3 UI –
Deterministic Jitter – – – 0.15 UI –

 

Electrical Characteristics-SFP28 Terminal
Parameter Symbol Min Typ. Max Unit Ref.
Power Consumption – – 1000 mW –
Supply Current, each SFP28 Icc – – 300 mA –
Transceiver Power-on Initialization Time – – – 300 ms 1
Transmitter
Single Ended Input Voltage Tolerance – -0.3 – 4 V –
AC Common Mode Voltage Tolerance – 15 – – mV RMS
Differential Input Voltage Swing Vin,pp 180 – 700 mV –
Differential Input Impedance Zin 90 100 110 Ohm –
Data Dependent Input Jitter DDJ – – 0.40 UI –
Data Input Total Jitter TJ – – 0.15 UI –
Receiver
Single Ended Output Voltage – -0.3 – 4 V –
AC Common Mode Voltage – – – 7.5 mV RMS
Differential Output Voltage Swing Vout,pp 300 – 850 mVpp –
Differential Output Impedance Zout 90 100 110 Ohm –
Rx Output Rise and Fall Time Tr/Tf 30 – – ps 20% to 80%
Total Jitter TJ – – 0.3 UI –
Deterministic Jitter DJ – – 0.15 UI –

 

PIN ASSIGNMENT-QSFP28 TERMINAL

Figure 1 – MSA compliant QSFP28 Connector

 

Pin Logic Symbol Description Notes
1 – GND Ground 1
2 CML-I Tx2n Transmitter Inverted Data Input –
3 CML-I Tx2p Transmitter Non-Inverted Data output –
4 – GND Ground 1
5 CML-I Tx4n Transmitter Inverted Data Input –
6 CML-I Tx4p Transmitter Non-Inverted Data output –
7 – GND Ground 1
8 LVTLL-I ModSelL Module Select –
9 LVTLL-I ResetL Module Reset –
10 – VccRx +3.3 V Power Supply Receiver 2
11 LVCMOS-I/O SCL 2-wire serial interface clock –
12 LVCMOS-I/O SDA 2-wire serial interface data –
13 – GND Ground –
14 CML-O Rx3p Receiver Non-Inverted Data Output –
15 CML-O Rx3n Receiver Inverted Data Output –
16 – GND Ground 1
17 CML-O Rx1p Receiver Non-Inverted Data Output –
18 CML-O Rx1n Receiver Inverted Data Output –
19 – GND Ground 1
20 – GND Ground 1
21 CML-O Rx2n Receiver Inverted Data Output –
22 CML-O Rx2p Receiver Non-Inverted Data Output –
23 – GND Ground 1
24 CML-O Rx4n Receiver Inverted Data Output 1
25 CML-O Rx4p Receiver Non-Inverted Data Output –
26 – GND Ground 1
27 LVTTL-O ModPrsL Module Present –
28 LVTTL-O IntL Interrupt –
29 – VccTx +3.3V Power supply transmitter 2
30 – Vcc1 +3.3V Power supply 2
31 LVTTL-I LPMode Low Power Mode –
32 – GND Ground 1
33 CML-I Tx3p Transmitter Non-Inverted Data Input –
34 CML-I Tx3n Transmitter Inverted Data Output –
35 – GND Ground 1
36 CML-I Tx1p Transmitter Non-Inverted Data Input –
37 CML-I Tx1n Transmitter Inverted Data Output –
38 – GND Ground 1
Notes:
1.GND is the symbol for signal and supply (power) common for QSFP28 modules. All are common within the QSFP28 module and all module voltages are referenced to this potential unless otherwisenoted.Connectthesedirectlytothehostboardsignalcommongroundplane.2.VccRx, Vcc1 and VccTx are the receiving and transmission power suppliers and shall be applied concurrently. Recommended host board power supply filtering is shown in Figure 4 below. Vcc Rx, Vcc1 and VccTx may be internally connected within the QSFP28 transceiver module in any combination. The connector pins are each rated for a maximum current of 1000mA.

 

PIN ASSIGNMENT-SFP28 TERMINAL

Figure 2 – SFP28 Module Interface to Host

Figure 3 – SFP28 Module Contact Assignment

 

Pin Logic Symbol Description Notes
1 – VeeT Module Transmitter Ground 1
2 LVTTL-O TX_Fault Module Transmitter Fault –
3 LVTTL-I TX_Dis Transmitter Disable; Turns off transmitter laser output –
4 LVTTL-I/O SDA 2-Wire Serial Interface Data Line 2
5 LVTTL-I SCL 2-Wire Serial Interface Clock 2
6 – MOD-DEF0 Module Definition, Grounded in the module –
7 LVTTL-I RS0 Receiver Rate Select –
8 LVTTL-O RX-LOS Receiver Loss of Signal Indication Active LOW –
9 LVTTL-I RS1 Transmitter Rate Select (not used) –
10 – VeeR Module Receiver Ground 1
11 – VeeR Module Receiver Ground 1
12 CML-O RD- Receiver Inverted Data Output –
13 CML-O RD+ Receiver Data Output –
14 – VeeR Module Receiver Ground 1
15 – VccR Module Receiver 3.3 V Supply –
16 – VccT Module Receiver 3.3 V Supply –
17 – VeeT Module Transmitter Ground 1
18 CML-I TD+ Transmitter Non-Inverted Data Input –
19 CML-I TD- Transmitter Inverted Data Input –
20 – VeeT Module Transmitter Ground 1
Notes:
1. Module ground pins GND are isolated from the module case.
2. Shall be pulled up with 4.7K-10Kohms to a voltage between 3.15V and 3.45V on the host board.

 

PRODUCT CERTIFICATION

 

COMPATIBLE BRANDS
CONFIGURATION INFORMATION
光模块产品详情订购信息---SFP28

 

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