Sierra Wireless MP215 - Manual (Page 15)

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