STC Smartscan NG2, Manual

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May 2021, SmartScanNG² User's Guide for Wayside Enclosure Components, EUD-2018086-00 Rev.3
Serial Ports
On the right side of a mounted Controller module are five serial ports. They are labeled
COM1, COM2, COM4, COM5, and COM6.
The table below describes the use of each serial port.
Port Use
COM1 Used to communicate with a customer-provided external device. At single-track
sites, a computer is normally connected here. At double-track sites, a null-modem
cable is attached from
COM4 of system1 (that is, the system with an installed
modem) to COM1 of system2 (that is, the system without an installed modem).
COM1 is connected to P6 on the Interface board.
COM2 Currently unused.
COM4 Currently unused.
COM5 Used to connect the AEI reader (2300-750 or MPRX) to the SmartScanNG² system.
COM5 is connected to
P8 on the Interface board.
COM6 Currently unused.
Ethernet Connection (RJ45 Jack)
There are two Ethernet connectors on the right side of a mounted Controller module (2300-
602). The Velocity (located between COM2 and COM4) and the Ethernet (located at the right-
side bottom).
The Velocity connector is connected internally to the Velocity IP Device Manager (if so
equipped). The Velocity is a data harvesting tool that reports to central office systems.
The Ethernet connector provides IP connectivity and allows for remote access via Telnet or
Web User Interface.