Miray's 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).
Compliant QSFP MSA specifications
Fully compatible with IEEE802.3ba and Infiniband QDR specifications
40 Gb/s total bandwidth
4 independent duplex channels operating at 10Gbps, also support for 2.5Gbps, 5Gbps data rates
100 ohm differential impedance system
Single 3.3V power supply, low power consumption, <1.5W
Low Near-End Crosstalk(NEXT)
Operating case temperature: -40 to 85°C
All-metal housing for superior EMI performance
Precision process control for minimization of pair-to-pair skew
AC coupling of PECL signals
EEPROM for cable signature & system communications
30 AWG to 24 AWG cable sizes available
RoHS compliant
Data
Servers
Networked storage systems
Routers
External storage systems
Data Center networking
Communications
Switches
Routers
Industry Standards
InfiniBand Trade Association (IBTA)
IEEE802.3ba
40Gigabit Ethernet ( 40G BASE – CR4)
Recommended Operating Conditions
Parameter | Symbol | Min | Typical | Max | Unit |
Operating Case Temperature | Standard Tc | 0 | 25 | 70 | °C |
Storage Temperature | Ts | -40 |
| 85 | °C |
Power Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
Power Dissipation | PD |
|
| 0.5 | W |
Relative Humidity | RH | 5 |
| 95 | % |
Data Rate |
|
| 10.5 |
| Gbps |
High Speed Characteristics
Parameter | Symbol | Min | Typ | Max | Units | 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 |
Part Number | Description | Cable Length (m) | AWG |
QSFP-40G-DAC0.5M | QSFP+ to QSFP+ | 0.5 | 30 |
QSFP-40G-DAC1M | QSFP+ to QSFP+ | 1 | 30 |
QSFP-40G-DAC2M | QSFP+ to QSFP+ | 2 | 30 |
QSFP-40G-DAC3M | QSFP+ to QSFP+ | 3 | 28/30 |
QSFP-40G-DAC4M | QSFP+ to QSFP+ | 4 | 28 |
QSFP-40G-DAC5M | QSFP+ to QSFP+ | 5 | 26 |
QSFP-40G-DAC7M | QSFP+ to QSFP+ | 7 | 24 |