40G QSFP+ Direct Attach Cable
● Compliant with SFF- 8436.
● Up to 10.3125Gbps data rate per channel
● Up to 7m transmission
● Operating temperature: -40℃ to +80℃
● Single 3.3V power supply
● RoHS compliant
HTF 40G QSFP+ Direct Attach Cables are compliant with the SFF-8436 specifications. Various choices of wire gauge are available from 30 to 24 AWG with various choices of cable length (up to 7m).

40G Ethernet
Data Center

High Speed Characteristics
Parameter Symbol Min. Typ Max. Unit Notes
Differential Impedance Zd 90 100 110 Ω  
Differential Input Return Loss   SDDXX <-12+2* SQRT (f) with f in GHz dB 0.01~4.1GHz
<-6.3+13*Log10/(f/5.5) with f in GHz dB 4.1~11.1GHz
Common Mode Output Return Loss   SCCXX < -7+1.6*f with f in GHz dB 0.01~2.5GHz
    -3 dB 2.5~11.1GHz
Difference Waveform Distortion Penalty dWDPc     6.75 dB  
VMA Loss L     4.4 dB    
VMA Loss to Crosstalk Ratio VCR 32.5     dB

Compatible brands
HTF DAC/AOC cable have been successfully tested with below brands
Cisco Alcatel Lucent Netgear      
Mellanox Allied Telesis SMC
Huawei SolareFlare Foundry
Juniper Winyao Force 10(Dell)
Dell&EMC ZTE Linksys
Arista D-Link McAfee
Broadcom TP-Link Extreme
Qlogic(Cavium) Ruijie Marconi
Cheisio Maipu Blade
Intel Feixun Hirschmann

Other series AOC/DAC cables

Submit the following information then can download and know more