Sierra Wireless MP215 manual External Interfaces, Host interface

3. External Interfaces

This section describes the Serial Host Interface, the Power Supply Interface, Modem Status Indicator, Speaker Interface and RF Antenna Connector.

Figure 3-1 MP215 (front view)

3.1. Host interface

The MP215 connects to a host through a DB9 (female) connector using the RS-232-C serial interface standard with a maximum signaling rate of 57.6 kbps. The RS-232-C specification voltages for receiver and driver are shown in Figure 3-2.

PN 2110036 Revision 1.0 05/11/99 3-1