Integra DBS50.3 Cntrol via eISCP

Trying to get a new Integra DBS50.3 Blu Ray player controlled via Ethernet. Dont really need any feedback, I'm just out of RS232 ports at this site and it seemed simple enough.

Define_Device
dvFRBR = 0:4:0 // Arbitrary port I choose for the player. Nothing else on it.

dvFRMVP_BR = 10001:7:0 //Touchpanel Blueray controls


Define_Constant
INTEGER nDTR_HEADER[] = {$00,$00,$00,$10,$00,$00,$00,$08,$01,$00,$00,$00} //This I reused from a previous thread here. not sure if its correct for BluRay as its from a Receiver I think

In the Blu Ray Call, I open the port via

IP_CLIENT_OPEN(4,'192.168.1.55',60128,1)

Using a Basic Button_Event with Switch/Case to send the strings to the BluRay

BUTTON_EVENT[dvFRMVP_BR,33]

{ PUSH:
{ STACK_VAR INTEGER nCHAN
nCHAN=BUTTON.INPUT.CHANNEL
SWITCH(nCHAN)
{
Case 33:
SEND_STRING dvFRBR, "'ISCP',nDTR_HEADER,'!7PWR02',13"
}
}
}

Not sure what I'm missing here. In Diagnostics, I get
Line 3 (11:31:49):: Connected Successfully
Line 4 (11:31:49):: CIpEvent::OnLine 0:4:1

I get no messages at all when I sent a command.

Any Assistance would be appreciated. Thanks

John