Product specifications

Crescent Integrator’s Manual 48
Figure 7-2 displays the numbering scheme for extension cable’s DB9 socket
connectors (female). The associated numbering for the plug connector (male) is a
mirror reflection of scheme showed in this figure.
1
2
3
4
6
7
9
5
8
Figure 7-2 DB9 Socket Numbering
Note: For successful communications, the baud rate of the Crescent Vector
serial ports must be set to match that of the devices to which they are
connected. Please refer to the Programming Manual for the command to
change the baud rate.
F ACTORY D EFAULT P ARAMETERS
The following table shows the application (firmware) present within the Crescent
Vector engine.
Table 7-6 Firmware Applications
Application
ATTITUD2
The following table outlines the default communication parameters of the Crescent
Vector Evaluation system.
Table 7-7 Default Port Settings
Port Baud Rate Data Bits Parity Stop Bit Interface Level
A, B, and C 19200 8 None 1 RS-232C
Note: The RS-232C interface level is that of the Evaluation Motherboard and
not the Crescent Vector, which uses a CMOS level. Port D operates
permanently at 9600 baud.