VP-773A - The VP-773A RS-232 Communication Protocol 
Network settings commands  
Network settings commands require admin authorization 
NET-MASK SUBNET_MASK  
NTMSK 
NET-MASK SUBNET_MASK 
RESULT 
NET-GATE GATEWAY_ADDRESS   
NTGT 
NET-GATE 
GATEWAY_ADDRESS RESULT 
NET-DHCP DHCP_MODE 
RESULT 
DHCP_MODE  =  
0 (factory default) – Don't use DHCP (Use IP set by factory or IP set command). 
1 – Try to use DHCP, if unavailable use IP as above. 
2– Try to use DHCP, if unavailable use AUTO-IP as described here:  
http://support.microsoft.com/kb/q307287/ . 
After setting DHCP_MODE to 1 or 2 you need to reset the device 
Change 
protocol 
Ethernet port 
ETH-PORT PROTOCOL  ,PORT 
RESULT 
Read protocol 
Ethernet port 
PROTOCOL =  TCP / UDP    (transport layer protocol) 
PORT =  
Ethernet port to enter protocol 3000 commands. 
1-65535 = User defined port 
0 - reset port to factory default (50000 for UDP, 5000 for TCP) 
Load new 
peripheral 
firmware P 
 
Step 1: LDFW SIZE 
Response 1: READY or LDFW SIZE ERR### 
Step 2: If ready was received, send FIRMWARE_DATA 
P
 
Response 2: LDFW SIZE RESULT 
Load new video 
core firmware  
Step 1: LDFWS SIZE  
Response 1: READY or LDFWS SIZE ERR### 
Step 2: If ready was received, send FIRMWARE_DATA 
P
 
Response 2: LDFWS SIZE RESULT 
Load new 
audio/graphic 
memory file 
Step 1: LDMFS SIZE 
Response 1: READY or LDMFS SIZE ERR### 
Step 2: If ready was received, send FIRMWARE_DATA 
P
 
Response 2: LDMFS SIZE RESULT