User's Manual
FIRMWARE VERSION 1.0.7.6    HT502 USER MANUAL     Page 48 of 48  
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 000b
8200e395, 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. 
FCC Statement:  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 
(1) This device may not cause harmful interference, and (2) this device must accept any interference 
received, including interference that may cause undesired operation. 
 Any Changes or modifications not expressly approved by the party responsible for compliance could void 
the user's authority to operate the equipment. 
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, 
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against 
harmful interference in a residential installation. This equipment generates, uses and can radiate radio 
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful 
interference to radio communications. However, there is no guarantee that interference will not occur in a 
particular installation. If this equipment does cause harmful interference to radio or television reception, 
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the 
interference by one or more of the following measures: 
—Reorient or relocate the receiving antenna. 
—Increase the separation between the equipment and receiver. 
—Connect the equipment into an outlet on a circuit different from that to which the receiver is 
connected. 
—Consult the dealer or an experienced radio/TV technician for help. 










