Appendix
BK11x0, BK1250 85Version: 4.1
8.5 Firmware compatibility
Firmware and hardware versions
Documentation
Version
BK1120 BK1150
Firmware Hardware Firmware Hardware
4.1 18 19 05 05
3.0 18 19 04 05
3.0 17 17 03 05
2.9 15 15 01 04
2.8 15 15 01 04
2.7 13 (C2) 12 01 00
2.6 13 (C2) 12 00 00
2.5 12 (C1) 12 00 00
2.4 12 (C1) 11 - -
2.3 11 (C0) 11 - -
2.2 09 (B9) 09 - -
2.1 08 (B8) 05 - -
2.0 08 (B8) 03 - -
1.0 06 02 - -
0.2 06 02 - -
0.1 06 02 - -
Documentation
Version
BK1250
Firmware Hardware
4.1 12 13
3.0 11 13
2.9 05 10
2.8 05 09
2.7 04 05
2.6 04 05
2.5 04 05
2.4 04 05
2.3 04 05
2.2 03 03
2.1 02 01
2.0 01 01
The firmware and hardware versions (delivery state) can be taken from the serial number printed on the side
of the terminal.
Syntax of the serial number
Structure of the serial number: KKYYFFHH
KK - week of production (CW, calendar week)
YY - year of production
FF - firmware version
HH - hardware version
Example with ser. no.: 12 06 3A 02: