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Grandstream Networks, Inc. HT503 User Manual Page 8 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
Pass-through (pending), Fax Data pump V.17, V.19, V.27ter, V.29 for T.38 fax relay
Security
DIGEST authentication and encryption using MD5 and MD5-sess
Physical Design
Stylish and compact design; small universal power supply, ideal for travel
Hardware Specification
The table below lists the hardware specification of HT503.
T
ABLE 4: HT503 HARDWARE SPECIFICATION
LAN interface
1xRJ45 10/100 Mbps Port
WAN interface
1xRJ45 10/100 Mbps Port
FXS telephone port
1 x FXS (RJ11)
FXO telephone port (PSTN Port)
1x PSTN pass-through and life line port
LED
Power, WAN, LAN, PHONE, and LINE (Green)
Universal Switching
Power Adaptor
Input: 100–240 VAC, 50-60 Hz
Output: 12VDC, 0.5A, UL certified
Dimension
25mm x 115mm x 75mm (when laying flat);
115mm x 25mm x 75mm (standing up)
Weight
Approximately 0.6lbs (0.3kg)
Temperature
Operational: 32° - 104°F or 5° – 45°C
Storage: 10°–130°F
Humidity
10% - 90%
(non-condensing)
Compliance