1. Granding fingerprint reader is not water proof at the moment. It is supposed to be set indoor.
2. The power supply and network cable must be prepared.
3. For some high secured area, backup power supply must be considered.
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11. How to remove administrators in Granding fingerprint reader ? |
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Only supervisor have the authority to remove administrators. Normal user or administrators can not remove administrators. Please enroll supervisor firstly, and use the supervisor authority to remove other limits |
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12. How to remove supervisors in Granding fingerprint reader ? |
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Once a supervisor is enrolled, it can not be removed directly. First you must use supervisor authority to enter menu, select “ options”->” system opt”->” adv option”->”clr admin pri”. If you select this, all the admin and supervisor authority will be removed. The other way to remove supervisor is to connect the device by software. Also, there is an option in software to manage this. |
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13. Does Granding supply access control accessories products? |
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Granding supply accessories for access control system, such like electric locks, backup power supply, exit button and alarms. |
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14. What is the flash disk used for in some Granding models? |
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Flash disk is available for some advanced models. It is used to transfer fingerprint data and access logs from one device to others, and transfer data between devices and PC software while network is not available in some situation. |
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15. What is the maximum distance for RJ45 connection? |
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Maximum distance of RJ45 (Ethernet) cable is 100 meters. |
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16. What is the maximum distance for RS232/RS485 connection? |
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Maximum distance for RS232 is 15 meters and for RS485 the distance is less than 1,200 meters. |
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17. How to solve the connection distance limit for RJ45 ? |
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Depends on the quality of network cable, the distance is usually less than 90 meters. If the distance is longer than 90 meters, an Ethernet repeater is suggest to be placed in the project (Ethernet router or Ethernet switch). |
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18. How to solve the connection distance limit for RS485 ? |
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Repeaters should be placed in the project if the distance is longer than 1.2k meters. |
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19. What is the difference between cross cable and straight(direct) cable ? |
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There are two different Ethernet cables, straight cable and cross cable. Straight cable is used to connect the device to lan network( to switch or router). Cross cable is used to connect the fingerprint device to computer directly. |
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20. What should be considered before Granding reader installation ? |
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Granding fingerprint reader is well designed for easy installation. But before the installation, there are several things must be considerd: 1. Granding fingerprint reader is not water proof at the moment. It is supposed to be set indoor. 2. The power supply and network cable must be prepared. 3. For some high secured area, backup power supply must be considered. |