Grandstream HT502 User Manual - Manual (Page 56)

FIRMWARE VERSION 1.0.14.1 HT502 USER MANUAL Page 54 of 54
1. Locate the MAC address of the device. It is the 12 digit HEX number on the bottom of the
unit.
2. Key in the MAC address. Use the following mapping:
0-9: 0-9
A: 22 (press the “2” key twice, “A” will show on the LCD)
B: 222
C: 2222
D: 33 (press the “3” key twice, “D” will show on the LCD)
E: 333
F: 3333
For example: if the MAC address is 000b8200e 395, it should be keyed in as “0002228200333395”.
NOTE:
1. Factory Reset will be disabled if the “Lock keypad update” is set to “Yes”.
2. Please be aware by default the HT502 WAN side HTTP access is disabled. After a factory reset, the
device’s web configuration page can be accessed only from its LAN port.
3. If the HT502 was previously locked by your local service provider, pressing the RESET button will
only restart the unit. The device will not return to factory default settings.