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Reader Configuration – Jumper J3
Jumper J3 sets the CA or EC control board reader format to accommodate the type of credential in use. Table
8 on the following page lists supported reader formats, corresponding jumper settings, and the security levels
of the card/reader formats.
26-bit Waiver of Liability
Installing dealers should have an authorized end-user sign a waiver of liability before enabling 26-bit cards.
Keyscan has enclosed a Waiver of Liability on page 63.
Advantage of Keyscan 36-bit Proprietary Wiegand Format
Keyscan's 36-bit proprietary Wiegand format cards and tags, which include a manufacturer's code, offer a high
level of security. Keyscan tracks all its cards and tags. This ensures that no duplicate cards or tags are sold by
Keyscan. When installing or upgrading a Keyscan access control system, we recommend our proprietary
Keyscan 36-bit Wiegand format cards and tags, available in 125 kHz or 13.56 MHz formats, for a high level of
security.
Security Levels
Table 8 – Reader Configuration Jumper J3 on page 59 reviews not only the supported reader formats, but also
the security level of each format. Be aware that where Keyscan's 36-bit proprietary cards share a combined
reader format with other manufacturer's cards, the other manufacturer's card binary bits may be truncated to
accommodate the joint format. This lessens the overall security, as not all bits are read.
Reader formats in Table 8 have been given one of following security ratings:
•
High
•
Medium
•
Low
•
Very Low
Reader formats ranked with medium, low, and very low are NOT recommended. The ratings are based on
whether a card's binary bits are truncated and/or the cards are sold by other manufacturers, which Keyscan
has no control over.
Keyscan Technical Guide (PC109x - 04.12)
26-bit cards and tags are not secure. Duplicate card numbers
exist in this format so a facility is vulnerable to unauthorized
access. KEYSCAN assumes no responsibility for liability should
any 26-bit card format be enabled in a KEYSCAN system. Further,
Keyscan assumes no responsibility for liability for any other
format except Keyscan's proprietary 36-bit format.
KEYSCAN systems are factory defaulted to use KEYSCAN's proprietary
36-bit Wiegand format cards and tags. KEYSCAN's 36-bit proprietary
Wiegand format ensures no duplicate cards or tags exist offering a high
level of security.
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