Hardware Installation Guide
revision 7 — 481
100 Configuration
100.1 Standard Format Code Summary
The following formats are supported in standard models.
Unless otherwise indicated, the LED input line controls both LEDs (low=green, high=red); the BUZZER
input controls the buzzer (low = activate); a good read is signaled by a flash of the green LED; a bad read is
signaled by a flash of the red LED and a double beep of the buzzer.
Format 0
32-bit Wiegand compatible output from standard Northern Computer mag card. 16-bit
facility code and 16-bit user ID. Reverse read and error filter is enabled. No tamper monitor.
Format 1
basic magnetic data output: send track 2 data without any verification or formatting using
clock/data signaling. (All reads are “good,” card data is sent as is.) Tamper monitor is
disabled.
Format 2
magnetic data output with zero trim using clock/data signaling. (All reads are “good,” trims
excess zero bits, otherwise sends data as is.) Tamper monitor is enabled.
Format 3
magnetic data output with zero trim, reverse read correction, and error filter enabled using
clock/data signaling. Tamper monitor is disabled.
Format 4
26-bit Wiegand (8-bit facility code and 16-bit ID) compatible output from cards with 8 or
more digits or AMC encoding. See Format 5 for digit usage.
Format 5
34-bit Wiegand (12-bit facility code and 20-bit ID) compatible output from cards with 8 or
more digits or AMC encoding. Tamper monitor is disabled.
Digits in
mag card
Facility Code User ID
Digits 26-bit
Range
34-bit
Range
Digits 26-bit
Range
34-bit
Range
8 1-3 000-255 000-999 4-8 00000-
65535
00000-
99999
9 1-3 000-255 000-999 4-9 000000-
065535
000000-
999999
10 1-4 0000-0255 0000-4097 5-10 000000-
065535
000000-
999999
11 or
more
1-5 00000-
00255
00000-
04097
6-11 000000-
065535
000000-
999999
AMC
card
1-6 000000-
000255
000000-
004097
7-12 000000-
065535
000000-
999999
Format 6
26-bit Wiegand compatible output from standard Northern Computer magnetic card. The
lower 8 bits of the 16-bit facility code is used as facility code. The 16-bit user ID is
unaltered. Reverse read and error filter is enabled. No tamper monitor.
Format 7
magnetic data output with zero trim and reverse read correction using data 1/data 0
signaling. The tamper monitor is disabled.
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