Alpha Bridge AQS28-T-01-P/SF28/4
Features
- QSFP28 End: Compliant with QSFP28 MSA specifications
- SFP28 End: Compliant with SFP28 MSA specifications
- 4 independent duplex channels operating at 25Gbps
- AC coupled inputs and outputs
- 100 Ohm differential impedance
- All-metal housing for superior EMI performance
- Single power supply 3V, low power consumption
- RoHS Compliance
- Operating temperature range: 0°C to 70°
Application
- 100G Ethernet
- Infiniband EDR
- Serial Data Transmission
- Networking
- Storage
- Fiber Channel
General Specification
| Parameter | Symbol | Min. | Typ | Max. | Units | Note |
| Bit Error Rate | BER | 10-12 | ||||
| Operating Temperature | TOP | 0 | 70 | C | Case temperature | |
| Storage Temperature | TSTO | -40 | 85 | C | Ambient temperature | |
| Input Voltage | Vcc | 3.13 | 3.46 | V | ||
| Maximum Voltage | VMAX | -0.5 | 3.3 | 4 | V | For electrical power interface |
Cable Mechanical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Units | Note |
| Wire Gauge | 30AWG | 26AWG | ||||
| Cable Impedance | Z | 95 | 100 | 105 | Ohm |
Pin Assignment
| Pin | Symbol | Description |
| 1 | GND | Ground |
| 2 | Tx2n | Transmitter Inverted Data Input |
| 3 | Tx2p | Transmitter Non-inverted Data Input |
| 4 | GND | Ground |
| 5 | Tx4n | Transmitter Inverted Data Input |
| 6 | Tx4p | Transmitter Non-inverted Data Input |
| 7 | GND | Ground |
| 8 | ModSeIL | Module Select |
| 9 | ResetL | Module Reset |
| 10 | VccRx | +3.3V Power Supply Receiver |
| 11 | SCL | 2-Wire Serial Interface Clock |
| 12 | SDA | 2-Wire Serial Interface Data |
| 13 | GND | Ground |
| 14 | Rx3p | Receiver Non-Inverted Data Output |
| 15 | Rx3n | Receiver Inverted Data Output |
| 16 | GND | Ground |
| 17 | Rx1p | Receiver Non-Inverted Data Output |
| 18 | Rx1n | Receiver Inverted Data Output |
| 19 | GND | Ground |
| 20 | GND | Ground |
| 21 | Rx2n | Receiver Inverted Data Output |
| 22 | Rx2p | Receiver Non-Inverted Data Output |
| 23 | GND | Ground |
| 24 | Rx4n | Receiver Inverted Data Output |
| 25 | Rx4p | Receiver Non-Inverted Data Output |
| 26 | GND | Ground |
| 27 | ModPrsL | Module Present |
| 28 | IntL | Interrupt |
| 29 | VccTx | +3.3V Power Supply Transmitter |
| 30 | Vcc1 | +3.3V Power Supply |
| 31 | LPMode | Low Power Mode |
| 32 | GND | Ground |
| 33 | Tx3p | Transmitter Non-Inverted Data Input |
| 34 | Tx3n | Transmitter Inverted Data Input |
| 35 | GND | Ground |
| 36 | Tx1p | Transmitter Non-Inverted Data Input |
| 37 | Tx1n | Transmitter Inverted Data Input |
| 38 | GND | Ground |
Pin Description
| Pin | Symbol | Description |
| 1 | VeeT | Module Transmitter Ground |
| 2 | TX_Fault | Module Transmitter Fault |
| 3 | TX_Dis | Transmitter Disable; Turns off transmitter laser output |
| 4 | SDA | 2-Wire Serial Interface Data Line |
| 5 | SCL | 2-Wire Serial Interface Clock |
| 6 | MOD_DEF0 | Module Definition, Grounded in the module |
| 7 | RS0 | No connection required |
| 8 | RX-LOS | Receiver Loss of Signal Indication. Logic 0 indicates normal operation |
| 9 | RS1 | No connection required |
| 10 | VeeR | Module Receiver Ground |
| 11 | VeeR | Module Receiver Ground |
| 12 | RD- | Receiver Inverted Data Output |
| 13 | RD+ | Receiver Data Output |
| 14 | VeeR | Module Receiver Ground |
| 15 | VccR | Module Receiver 3.3 V Supply |
| 16 | VccT | Module Receiver 3.3 V Supply |
| 17 | VeeT | Module Transmitter Ground |
| 18 | TD+ | Transmitter Non-Inverted Data Input |
| 19 | TD- | Transmitter Inverted Data Input |
| 20 | VeeT | Module Transmitter Ground |
Ordering Information
| Part Number | Model Number | Length (M) | AWG | Voltage | Temperature |
| AQS28-T-01-P/SF28/4 | Fanout Cable | 1 | 30 | 3.3V | 0°C to 70 °C |

