Murata Electronics North America BT2022M Manual Do Utilizador
Configuring the Network
The Serial Adapter Box
The HN-110 remote interfaces with the user’s hardware through a serial adapter box.
The interface adapter supplies power and signal to the remote unit. The interface to
the remote unit is a standard RS-232 DB-9 serial interface. To have all functions of
the HN-110 available, including configuration and hardware flow control, the eight
signal lines must be connected. The HN-110 serial connector is set up as a DCE
device. This allows communication with a PC using the straight through serial cable
provided with the HN-110. To connect the HN-110 to another DCE device, a cross-
over cable must be used. The connector pin-out is detailed in the figure and table
below.
The interface adapter supplies power and signal to the remote unit. The interface to
the remote unit is a standard RS-232 DB-9 serial interface. To have all functions of
the HN-110 available, including configuration and hardware flow control, the eight
signal lines must be connected. The HN-110 serial connector is set up as a DCE
device. This allows communication with a PC using the straight through serial cable
provided with the HN-110. To connect the HN-110 to another DCE device, a cross-
over cable must be used. The connector pin-out is detailed in the figure and table
below.
3 Wire Operation
If configuration and hardware flow control is not necessary, the HN-110 can be used
in 3-wire mode. In this mode, only Ground, Receive Data and Transmit data are
connected
in 3-wire mode. In this mode, only Ground, Receive Data and Transmit data are
connected
5 Ground
6 Data Set Ready (DSR)
7 Request to Send (RTS)
8 Clear to Send (CTS)
9 Not Used
4 Data Terminal Ready (DTR)
3 Transmit Data (TX)
2 Receive Data (RX)
1 Data Carrier Detect (DCD)
RS-232 Interface
10 HopNet
110