BB-USR604
17
Figure 9: Power Supply Connections
When the unit is USB powered, the current available to the converter may be limited by the USB host. If the
converter is connected to an external USB hub the maximum available current may be insufficient to operate the
converter. In that case an external power supply should be connected.
CONNECTING TO A PC
The BB-USR604 converter connects to a host device (PC) via a USB interface. The connector on the BB-USR604
converter is a high retention force Type B female connector.
Figure 10: USB Connector
CONNECTING TO THE SERIAL PORTS
The BB-USR604 provides four serial ports. DB-9M connectors are used for RS-232, RS-422 and RS-485 two-wire and
four-wire connections.
Figure 11: DB-9M Serial Port Connectors
Summary of Contents for BB-USR604
Page 1: ...MODEL BB USR604 4 PORT USB ISOLATED SERIAL CONVERTER USER MANUAL ...
Page 28: ...BB USR604 31 BB USR604 DIMENSIONS Figure 18 BB USR604 Dimensional Diagram ...
Page 29: ...BB USR604 32 PANEL MOUNT DIMENSIONS Figure 195 BB USR604 Panel Mount Dimensions ...
Page 33: ...BB USR604 36 SERIAL PORT WIRING RS 232 CONNECTIONS Figure 25 USR602 RS 232 Connections ...
Page 34: ...BB USR604 37 RS 485 TWO WIRE CONNECTIONS Figure 26 USR602 RS 485 Two Wire Connections ...