TT8900 OPT
–
Installation and Service Manual
Page 8 of 41
1.3
Internal Architecture
The TT8900 OPT is based on the next gen TT Fuel proprietary
modular T20 Dispensing Control System architecture, ensuring
maximum reliability and operational uptime.
The T20 DCS comprises of a range of modules that each provide a
dedicated set of functions and features that together provide a
multitude of solutions for various fuel dispensing control and
management applications.
These systems are all supported by a suite of
enterprise-level fuel management software
applications and web-services developed by TT Fuel
to form complete fuel dispensing control and
management solutions.
The T20 DCS modules share a common form-factor utilising a DIN rail mountable compact
enclosure system interconnected using TT Fuel
’s proprietary
HBus communication bus system.
The TT8900 OPT incorporates the following key modules:
»
T20 System Control Module (SCM).
Conceptually similar to the former T6 Controller, this module is the next-
gen forecourt control unit, consequently the brain of the TT8900 OPT.
»
T20 Terminal Support Module (TSM).
Specific to the OPT, this module combines the functionalities of CAS, PSM
and EIM.
»
T20 Internal Interface Module (IIM).
This module is used for configuring the TT8900 OPT whenever
configuration via remote connection cannot be established.
»
Cellular Router
This module provides secure connectivity to the
TT Fuel’s back
-end
services through the existent cellular network.
»
Optional T20 Protocol Converter Modules (CGM / DGM / CNM) used to interface with
forecourt control systems using alternative communication network protocols.
Additionally, the TT8900 OPT accommodates the following internal components:
»
AC/DC power supply.
»
DC UPS.
»
Battery pack.
»
PINpad and display.
»
Card reader.
»
Receipt printer.