Alpha Bridge AQS28-T-04-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-04-P/SF28/4 Fanout Cable 3 26 3.3V 0°C to 70 °C
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