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INSTALLATION
EQUIPMENT PACKAGING
The HT503 ATA package contains:
• One HT503 Main Case
• One Universal Power Ad
aptor
•
One Ethernet Cable
• One HT503 Vertical S
tand
CONNECTING YOUR ATA
The HT503 Analog Telephone Adaptor is an all-in-one VoIP integrated device designed to be a total
solution for networks providing VoIP services. The HT503 VoIP features and functions are available
using a regular analog telephone.
FIGURE 1: CONNECTING THE HT503
HT503
Front View
HT503
Back View
RJ-45 Ports
10/100 Mbps
Display LEDs
(Green)
Power
Supply
(12V)
Reset
RJ11
FXS Port
RJ11
FXO Port
503 has one
The HT FXS port and one FXO port. The PHONE port next to the power supply is an FXS
port. The LINE port on the back right of the HT503 is an FXO port. Both the FXS port and the FXO port
can have a separate SIP account. This is a key feature of HT503 as it supports simultaneous
calls on
both the FXS port and FXO port. Telephone calls can be originated from or terminated on the PSTN
network remotely via the FXO port.
TABLE EFINITIONS OF THE ONNECTORS1: D HT503 C
12VDC, 0.5A
Power adapter connection
LAN Port (RJ-45)
Connect the LAN port with an Ethernet cable to your PC.
WAN Port (RJ-45)
Connect to the internal LAN network or router.
PHONE (RJ-11)
FXS port to be connected to analog phones / fax machines.
LINE (RJ-11)
FXO port should be connected to the PSTN line
Grandstream Networks, Inc. HT503 User Manual Page 5 of 35
Firmware 1.0.0.6 Last Updated: 6/2007