GBA
Global Bill Acceptors
GBA ST1 Operation Manual
Page 25 of 37
Astrosys International Ltd
September 2011
ST1 Operations Manual Rev 2.0
8.0 ELECTRICAL CONNECTIONS
Please note: care should be taken to avoid reversing the Ground and 12VDC connections, as this
will cause damage to the unit.
View of connector on GBA validator
Pin
Parallel
Mars Serial
Pulse
Serial
Interfaces
1
1
Grey
/ABN Output
/ABN Output
/ABN Output
n.c.
2
Orange
n.c.
/Serial Select (Low)
Pulse (High) or n.c.
n.c.
3
White
/Vend 6 Output
/Busy
/Busy
n.c.
4
Yellow
/Escrow control
Clears /ABN and
Stacker Full Signal
Clears /ABN and
Stacker Full Signal
n.c.
5
Green
/ Vend 5 Output
TXD
n.c.
TXD
6
Brown
n.c.
Serial Send Signal
(/RTS)
n.c.
n.c.
7
Black
/ Vend 3 Output
Gnd
n.c.
n.c.
8
Red
/ Vend 4 Output
n.c.
n.c.
n.c.
9
Whi/Blk/Grn
n.c.
n.c.
n.c.
RXD
10
Blue
Inhibit Control
Input (/Enable)
Inhibit Control Input
(/Enable)
Inhibit Control
Input (/Enable)
n.c.
11
Violet
/ Vend 1 Output
Confirm Signal To
Start Serial (/CTS)
n.c.
n.c.
12
Whi/Vio
n.c.
n.c.
/Pulse O/P
n.c.
13
Whi/Gry
/ Vend 2 Output
n.c.
n.c.
n.c.
14
Whi/Blk
Ground
Ground
Ground
Ground
15
Whi/Blk
Ground
Ground
Ground
Ground
16
2
Whi/Red
12 VDC +
12 VDC +
12 VDC +
12 VDC +
17
Whi/Red
12 VDC +
12 VDC +
12 VDC +
12 VDC +
18
Whi/Yel
PDT Terminal
PDT Terminal
PDT Terminal
PDT Terminal
19
Whi/Grn
PDT Terminal
PDT Terminal
PDT Terminal
PDT Terminal
20
Whi/Blu
PDT Terminal
PDT Terminal
PDT Terminal
PDT Terminal
Note: where a description is preceded by a “/” then that signal is active low.
n.c. = not connected
1.
For cctalk
®
interface, please note that TXD & RXD can both be connected to the DATA line
of the host machine.
2.
If the ST1 is used in Low Power Mode, only connect the 12 Volt supply to pin 17.
