Reference Manual

Table Of Contents
PayRange | BluKey Select™ Reference Manual
6/29/2021 Page 16 | 21
DEX” Connector
BluKey Select
Cable / Mating part
Molex 22-05-3031 (KK254)
Molex 0022013037
Pin
Name
Notes
1
GND
DEX data common
2
DEX_TIP_RXD
DEX receive data (BKSelect input)
3
DEX_RING_TXD
DEX transmit data (BKSelect output)
f. Battery Connector Pinout
BKSelect battery connector is JST SM02B-SURS-TF (2-pin) to connect backup battery for the
internal real-time-clock.
Pin
Name
Notes
1
3V_IN
(+) 3V from battery
2
GND
(-) Common
Notes:
Recommended CR1632. Only lithium-based 3V watch coin cell batteries are supported
(e.g. CR2016, CR2032).
g. Recommended Mating Parts
MACHINE Connector: Molex 0022013067 (KK254)
CARD Connector: Molex 0039012060 (Mini-Fit Jr.)
Battery Connector: JST 02SUR-32S
DEX Connector: Molex 0022013037 (KK254)
CONF Connector: Molex 0430250600 (Micro-Fit)
KEYPAD Connector: Molex 0430252400 (Micro-Fit)
Mechanical
BluKey Select dimensions (inches) are given in the following figure.