User's Manual
34  VP-81K - Kramer Protocol 
Identification Commands 
Command Syntax  Response 
Read device serial number 
SN? 
SN SERIAL_NUMBER 
Read device firmware 
version 
VERSION? 
VERSION MAJOR .MINOR .BUILD .REVISION 
Set machine name 
NAME MACHINE_NAME 
NAME MACHINE_NAME RESULT 
Read machine name 
NAME? 
NAME MACHINE_NAME 
Reset machine name to 
factory default* 
NAME-RST 
NAME-RST MACHINE_FACTORY_NAME 
RESULT 
*Note: machine name not equal to model name. This name relevance for site viewer identification of specific 
machine or for network using (with DNS feature on). 
 MACHINE_NAME = Up to 14 Alfa-Numeric chars. 
* Machine factory name = Model name + last 4 digits from serial number. 
Set machine id number 
MACH-NUM 
MACHINE_NUMBER  
MACH-NUM OLD_MACHINE_NUMBER 
,NEW_MACHINE_NUMBER RESULT 
* Response will send after machine number has been changed. So the replay with header will be: 
NEW_MACHINE_NUMBER @MACH-NUM OLD_MACHINE_NUMBER ,NEW_MACHINE_NUMBER OK
Network Setting Commands 
Set IP Address 
NET-IP IP_ADDRESS 
NTIP 
NET-IP IP_ADDRESS RESULT 
Read IP Address 
NET-IP? 
NTIP? 
NET-IP IP_ADDRESS 
Read MAC Address 
NET-MAC? 
NTMC 
NET-MAC MAC_ADDRESS 
Set subnet mask 
NET-MASK SUBNET_MASK  
NTMSK 
NET-MASK SUBNET_MASK RESULT 
Read subnet mask 
NET-MASK? 
NTMSK? 
NET-MASK SUBNET_MASK  
Set gateway address 
NET-GATE GATEWAY_ADDRESS 
NTGT 
NET-GATE GATEWAY_ADDRESS RESULT 
Read subnet mask 
NET-GATE? 
NTGT? 
NET-GATE GATEWAY_ADDRESS  
Set DHCP mode 
NET-DHCP DHCP_MODE 
NTDH 
NET-DHCP DHCP_MODE RESULT 
Read subnet mask 
NET-DHCP? 
NTDH? 
NET-DHCP DHCP_MODE 
DHCP_MODE  = 
0 – Don't use DHCP (Use IP set by factory or IP set command). 
1 – Try to use DHCP, if unavailable use IP as above. 
Change protocol 
Ethernet port 
ETH-PORT  PROTOCOL , PORT 
ETHP 
ETH-PORT PROTOCOL  ,PORT RESULT 
Read protocol Ethernet 
port 
ETH-PORT? PROTOCOL 
ETHP? 
ETH-PORT PROTOCOL , 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) 










