ABB M25102xC Series Manual page 21

ABB-Welcome
Fig. 9 Terminal description
No. Functions
1 LCD display
2 Support ID or IC card.
Swipe the registered card to release the door lock. The card can be
programmed through the module itself, or using a PC to download the
program file. (M251021CR is accompanied with an ID card reader, while
the M251022CR is accompanied with an IC card reader.)
3 Support Wiegand output.
The default Wiegand format is 26 bits but it can also be extended to 34
bits.
*The display module must be connected after audio module.
Technical Specification:
M251021CR：Display module with ID card reader
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Terminal description
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