FIVE EASY STEPS TO INSTALL THE HT503
The HT503 is designed for easy configuration and easy installation. Configure the HT503 following the
directions in the Configuration section of this manual.
1. Connect a standard touch-tone analog telephone to the PHONE port.
2. Insert a standard RJ11 telephone cable into the LINE port and connect the other end of the
telephone cable to a wall jack.
3. Insert the Ethernet cable into the WAN port of HT503 and connect the other end of the Ethernet
cable to an uplink port (a router or a modem, etc.)
4. Connect a PC to the LAN port of HT503 if it is being used as a router.
5. Insert the power adapter into the HT503 and connect it to a wall outlet.
FIGURE 2: INTERCONNECTION DIAGRAM OF THE HT503
Internet ADSL/Cable
Modem Ethernet
Fax
Cordless
Analog Phone
WAN
LAN
FXS FXO
PSTN
Cloud
Grandstream Networks, Inc. HT503 User Manual Page 6 of 35
Firmware 1.0.0.6 Last Updated: 6/2007