BlueStorm/LP Installation Guide, Connect Tech Inc.
Revision 0.05
7
Multi-drop Slave Mode
In this mode the TxD+/- line driver is enabled only when data is transmitted and RxD+/- is
enabled all the time. This mode is typically used in multi-drop 4-wire connections. This mode
requires software setup in
Control Panel – System Properties – Hardware - Device Manager – Ports – CTI
PCI UART
. Click on
Advanced
under
Port Settings
.
Line Bias/Termination
The RS-422/485 transceivers, both transmit and receive are optionally biased to produce a line
level mark condition through jumper selectable resistors. These options are typically used in
multi-drop 4-wire connections.
Jumper Block Settings
Figure 1: BlueStorm/LP jumper block locations 2 port models
