Arduino I2C Port Replicator Master **Not working**

#include <Wire.h>
int rx1 = 0;  //throttle
int rx2 = 0;  //aileron
int rx3 = 0;  //elevation
int rx4 = 0;  //rudder
int rx5 = 0;  //AUX
int rx6 = 0;  //Trainer


void integerToBytes(long val, byte b[4]) {    //This is the formula for conversion
  b[0] = (byte )((val >> 24) & 0xff);         //from BYTE array to INT
  b[1] = (byte )((val >> 16) & 0xff);         //
  b[2] = (byte )((val >> 8) & 0xff);          //
  b[3] = (byte )(val & 0xff);                 //
}

void expansionWrite(int pin, int value)
{
  //pin = pin-100;             substracts 100 to it maps to the real ports on the expansion arduino
  Wire.beginTransmission(2); //Transmit to device #2
  Wire.write(pin);            //Sends one byte stating the pin to be addressed
  Wire.write((int)value);          //Sends the value to be transmitted to the pin selected
  Wire.endTransmission();    //Stop transmitting
}

void setup()
{
  Serial.begin(115200);      //Open the serial port at 115200bps
  Wire.begin();              //Join I2C bus (no address for master)
}


void loop()
{
 rx1 = pulseIn(2,HIGH,20000);
 rx2 = pulseIn(3,HIGH,20000);
 rx3 = pulseIn(4,HIGH,20000);
 rx4 = pulseIn(5,HIGH,20000);
 rx5 = pulseIn(6,HIGH,20000);
 rx6 = pulseIn(7,HIGH,20000);
    Serial.print(rx1);
    Serial.print("\t");
    Serial.print(rx2);
    Serial.print("\t");
    Serial.print(rx3);
    Serial.print("\t");
    Serial.print(rx4);
    Serial.print("\t");
    Serial.print(rx5);
    Serial.print("\t");
    Serial.print(rx6);
    Serial.print("\t");
    Serial.println("\t");




  {
    expansionWrite(14, rx1);  //Whenever you want to write to the
    expansionWrite(15, rx2);  //other Arduino just go with something
    expansionWrite(16, rx3);  //like expansionWrite(102,HIGH);
    expansionWrite(17, rx4);  // That will -for example- set the pin 2
    expansionWrite(18, rx5);  //on the second arduino to high. I used
    expansionWrite(19, rx6);  //the 102 nomenclature only to differentiate
                             //the two boards. It makes it easier and
                             //avoids confusion. You will see how the
                             //exceeding 100 is substracted when the time comes.
  }
}


/*

  byte b[4];
  integerToBytes(1056964608, b);    //This is the in-code portion
  for (int i=0; i<4; ++i) {         //
    Serial.println((int )b[i]);     //
  }

*/