Add-On Computer Peripherals (ACP) QSFP-40G-LR-AO User Manual

Page of 9
www.addoncomputer.com  
Phone:  877.292.1701  
 
Electrical  Pin-­‐out  Details  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pin  Descriptions
 
Pin
 
Logic  
Symbol  
Name/Descriptions  
Ref.  
1  
 
GND  
Module  Ground  
1  
2  
CML-­‐I  
Tx2-­‐  
Transmitter  inverted  data  input  
 
3  
CML-­‐I  
Tx2+  
Transmitter  non-­‐inverted  data  input  
 
4  
 
GND  
Module  Ground  
1  
5  
CML-­‐I  
Tx4-­‐  
Transmitter  inverted  data  input  
 
6  
CML-­‐I  
Tx4+  
Transmitter  non-­‐inverted  data  input  
 
7  
 
GND  
Module  Ground  
1  
8  
LVTTL-­‐I  
MODSEIL   Module  Select  
2  
9  
LVTTL-­‐I  
ResetL  
Module  Reset  
2  
10  
 
VCCRx  
+3.3v  Receiver  Power  Supply  
 
11  
LVCMOS-­‐I  
SCL  
2-­‐wire  Serial  interface  clock  
2  
12  
LVCMOS-­‐I/O   SDA  
2-­‐wire  Serial  interface  data  
2  
13  
 
GND  
Module  Ground  
1  
14  
CML-­‐O  
RX3+  
Receiver  non-­‐inverted  data  output  
 
15  
CML-­‐O  
RX3-­‐  
Receiver  inverted  dta  output  
 
16  
 
GND  
Module  Ground  
1  
17  
CML-­‐O  
RX1+  
Receiver  non-­‐inverted  data  output  
 
18  
CML-­‐O  
RX1-­‐  
Receiver  inverted  data  output