40G QSFP+ To QSFP+ Direct Attach Copper Cable 5M DAC Cable
40G QSFP+ to QSFP+ DAC Cable 5M
Ordering information
| Part Number | Product Description | Fiber Spec. |
| S-QS40P005-C | 40G QSFP+ DAC Cable 5M | 0~70℃ |
Description
Springtek 40G QSFP+ direct attach passive cable uses shielded high-speed differential cable, whichIt conforms to 40g Ethernet ieee802.3ba standard and sff-8436 qsfp+ standard, supports 40g transmission rate, and is also downward compatible with low rate applications. Qsfp+ passive cable is the preferred solution for 40g rate short distance application, which is widely used in data transmission between data center and cabinet or between adjacent cabinets.
Springtek 40G QSFP+ Its biggest characteristics are low cost, ultra-low power consumption (less than 0.1W) and high reliability.
Features
- Maximum aggregate data rate: 40 Gb/s (4 x 10Gb/s)
- Support for multi-gigabit data rates :1 Gb/s - 10 Gb/s (per channel)
- QSFP+ conforms to the Small Form Factor SFF-8436
- 4-Channel Full-Duplex Passive Copper Cable
- Copper link length up to 5m (passive limiting)
- High-Density QSFP 38-PIN Connector
- Compatible to IEEE 802.3ba and SFF-8436
- Compatible to QSFP+ MSA
- Power Supply :+3.3V
- Low power consumption: 0.02 W (typ.)
- I2C based two-wire serial interface for EEPROM
- signature which can be customized
- Temperature Range: 0~ 70 °C
- Comply with RoHS 6.0
Applications
- 10G/40G Ethernet
- InfiniBand 4x SDR/DDR/QDR
- 2/4/8/10G Fibre Channel
- Fibre Channel over Ethernet
- SAS, Servers, Hubs, Switches, and Routers
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ | Max | Unit |
| Storage Ambient Temperature | -40 | +85 | °C | ||
| Operating Case Temperature | Tc | 0 | +70 | °C | |
| Power Supply Voltage | VCC3 | 3.14 | 3.3 | 3.47 | V |
| Power consumption | PD | 0.2 | W | ||
| Data Rate Per Lane | 1 | 41.2 | Gb/s |
High Speed Characteristics
| Performance | Symbol | Min | Typ | Max | Unit | Symbol |
| Differential Impedance | TDR | 90 | 100 | 110 | Ώ | |
| Insertion loss | SDD21 | -17.04 | dB | At 5.15625 GHz | ||
| Differential Return Loss | SDD11 | See 1 | dB | At 0.05 to 4.1 GHz | ||
| SDD22 | See 2 | dB | At 4.1 to 11.1 GHz | |||
| Differential to common-mode return loss | SCC11 |
|
-10 | dB | At 0.2 to 11.1GHz | |
| SCC22 | ||||||
|
Common-mode to common-mode output
|
SCD11 | -3 |
dB |
At 0.01 to 11.1 GHz | ||
| SCD22 | ||||||
|
Notes: 1. Reflection Coefficient given by equation SDD11(dB) < -12 + 2 × SQRT(f ), with f in GHz 2. Reflection Coefficient given by equation SDD11(dB) < -6.3 + 13 × log10(f/5.5), with f in GHz |
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