User`s manual

UPort 1200/1400/1600 Series User’s Manual Driver Installation

Connecting the Hardware

Please install the driver before connecting the UPort series to your PC's USB port. See the

previous section for details.

Connecting to a Serial Device

Use the proper serial cables to connect your serial devices to the UPort’s serial ports, which

support the RS-232 and/or RS-422/485 interface. The UPort’s serial ports use DB9 male connector

with standard pin assignment. Please see Chapter 3 for detail pin assignment.

LED Indicators

UPort 1250/1250I

There are five LEDs per port for indicating the status of the ports. The LEDs are listed under P1

and P2.

LED Name LED Color LED Function

Red Power is on

Active

Off Power is off, or power error condition exists

RS-232 Red Port is configured for RS-232 operation

RS-422 Red Port is configured for RS-422 operation

4W RS-485 Red Port is configured for 4-wire RS-485 operation

2W RS-485 Red Port is configured for 2-wire RS-485 operation

Orange Port is receiving data from attached device

Green Port is transmitting data to attached device

TxD/RxD

Off No data is being transmitted or received

UPort 1400/1600

There are five LEDs per port for indicating the status of the ports. The LEDs are listed under P1,

P2, P3, etc.