Mettler Toledo IND231 Manual De Instalación página 38

2.4.7.2. USB Device Option
This option board provides a single Mini-USB type B connector port, shown in Figure 2-35. The
Mini-USB port is a device type interface (not a host), and operates basically as a serial port. An
external mating type B Mini-USB cable is required when connecting to this port.
The port is equipped with a cap which screws on when the port is not in use.
2-18 METTLER TOLEDO IND231/IND236 Installation Manual
Terminal Signals
Pin 4 RX-
Pin 5 GND
Pin 6 GND
Pin 7 RX
Pin 8 TX
Socket for USB
connector
(Figure 2-35)
Figure 2-34: USB Option Board
Figure 2-35: Mini USB Socket and Cap
Description
RS-422 Receive data B
Logic Ground for RS-422/485
Logic Ground for RS-232
RS-232 Receive
RS-232 Transmit
Connector to
Main board
30094803 | 00 | 08/2013