GBA
Global Bill Acceptors
GBA ST2
Operations Manual
Page 7 of 25
Astrosys International Ltd
January 2009
GBA ST2 Op Manual V1.01
4.0 INTERFACE PROTOCOLS
The GBA ST2 can communicate with a host (machine) via one of five base interface protocols.
These protocols are; NAMA MDB, pulse, parallel, cctalk
®
and bi-directional serial (“RS232”).
Variants to some of these protocols are also available, please contact your regional office for
further details.
The product is connected to the host using an appropriate interface cable assembly. With the
exception of MDB the GBA ST2 will be connected to the host machine using a cable assembly
terminated with a 20-way connector, as denoted in section 8.0 – Electrical Connections.
4.1 NAMA MDB
If the GBA ST2 is used in an MDB interface application, an additional interface cable assembly is
required to connect to a standard NAMA 6 pin connector. Please contact Technical Support for
details.
4.2 CCTALK
®
INTERFACE
If the validator is used in a ccTalk
®
interface application, an alternative 20 pin harness is required.
Part Number: ASY-W-10265.
Please contact Technical Support for details.
For further details relating to the operation of specific interfaces please refer to the Interface
Description Manual.