Grandstream Networks DUAL FXS PORT HT502 User Manual

Grandstream Networks, Inc. 

HT-502 User Manual 

Page 5 of 32  

 

 

The HT502 ATA package contains: 
 

•  One HT502 Main Case 

•  One Universal Power Adaptor 

•  One Ethernet Cable 

•  One HT502 Vertical Stand 

 
 

The HT502 is designed for easy configuration and easy installation.  Configure the HT502 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 Phone1 port and connect the other end of the 

telephone cable to the analog telephone. 

3.  Insert the Ethernet cable into the WAN port of HT502 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 HT502 if it is being used as a router. 

5.  Insert the power adapter into the HT502 and connect it to a wall outlet. 

  
The HT502 Analog Telephone Adaptor is an all-in-one VoIP integrated device designed to be a total 
solution for networks providing VoIP services.  The HT502 VoIP features and functions are available using 
a regular analog telephone.  

 

 
The HT502 has two FXS port. Both FXS ports can have a separate SIP account.  This is a key feature of 
HT502 as it supports simultaneous calls on both FXS ports.