Commad Set for eVLBI (VDIF) NICT Version. 1

Function	Command format	Descriuption
Tx Rate Set	play_rate=data:<Mbps>;	Set Data rate/stream in Mbps
	send_rate=<Mbps>;
Dest. Host set	in2net=connect:<host>:<port>;	Set destination host and port number
Tx/Rx Start	in2net=on;	Transmission/Receiving Start
Tx/Rx Stop	in2net=off;	Transmission/Receiving Stop
	in2net=discoonect;
	play=off
Mode Set	mode=<Msps>:<bit>:<nch>	Set Recording mode for single output
	modegrp=<igrp>:<Msps>:<bit>:<nch>:<first ch>;	Set mode for each group, <igrp>: Group number,0..3. <first channel>: First channel of that group, 0/4/8/12
Set Data Source	data_source=<type>[num]:<name>;	<type>: One of 'FILE'/'NET', <name>: file-name or hostname(ip). This command is for Receiver. if 'num'(0..) is specified, the data sources are multiple.
	data_source=multi:<nsrc>;	Set Number of multile data sources.
Set Data Ouput	data_out= <type>[num]:<name>;	<type>: One of 'FILE'/'NET', <name>: file-name or hostname(ip). if 'num'(0..) is specified, the data sources are multiple.
	data_out=multi:<nout>	Set Number of destinations

Port Numnber for eVLBI (VDIF)

• Default Data transmission port: 9901
• Default Sender Control port: 9902
• Default Receiver Control port: 9903

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play_rate=data

Setting data rate for transmission in Mbps.


 Expected response:
   !play_rate= xx Mbps;
or
   !play_rate=0;

in2net=on

Starting transmission of data to the destination.
Expected response:
!in2net = 1;

in2net=connect:<ip>[:<port>]

Setting up destinaton host-ip/hostname and port number port number can be omitted to use default port number.
Expected response:
!in2net = <ip>:<port>;

mode=<Sample rate Msps>:<bit>:<Nch>

Setting Data acquision mode by specifying Sampling rate in Mbps, Quantization bit, and Number of channels.

 Expected response: 
   !in2net = <Msps>:<nbit>:<Nch>;
or
   !in2net = 0;

data_source?

Query of data source.
Expected response:
data_source:FILE=<filename> ;
or
data_source:Device=<device name> ;


frame_size=<byte> ;

Setup Framesize of the VDIF frame.
Expected response:
frame_size:


status?

Query of status. Expected response:
status:<status string> ;