PLANET SG-1000 - Manual (Page 51)

STEP 2 Setting the Connection Service (ICMP or DNS way)
„ ICMP Enter an Alive Indicator Site IP (can select from Assist)
„ DNS Enter DNS Server IP Address and Domain Name (can select
from Assist)
„ Setting time of seconds between sending alive packet.
ICMP Connection
DNS Service
Connection test is used for SG-1000 to detect if the WAN can connect or not. So the
Alive Indicator Site IP, DNS Server IP Address, or Domain Name must be able to use
permanently. Or it will cause judgmental mistakes of the device.