User Manual

Crestron CWD7191 Two-Way RF Transceiver Module
Operations Guide - DOC. 7439C Two-Way RF Transceiver Module: CWD7191  5
Connectors
Ports
For the CWD7191 with a SMD antenna, the module contains a 25-pin D-SUB male connector and a
10-pin debug header.
For the CWD7191 with a dipole antenna, the module contains a 5-pin double row male connector, a
10-pin debug header, and one antenna port.
The diagrams and descriptions of the 25-pin D-SUB male connector and the 5-pin double row male
connector are shown in the “Power/I-O” section.
Power/I-O
The 25-pin D-SUB male connector provides power to the module as well as the communication
between the module and wired devices. Refer to the following table for pin assignments of the module
interface connector.
1
108
97
6
5
4
3
2
17151311
18
232119
161412
25
242220
NOTE: Pins 8, 10 and 12 provide power to the circuit card.
Power/I-O Pinout Signals
Pin # Signal Pin # Signal
1
PA7 2 PC7
3
PB3 4 PC6
5
PB4 6 RESET
7
SPI MOSI 8 5V
9
SPI MISO 10 5V
11
SPI CLK 12 5V
13
PA4 14 GND
15
PA5 16 GND
17
PA6 18 GND
19
PB1/TXD 20 PB5
21
PB2/RXD 22 PB6
23
PB0 24 PB7
25
PC1