User Manual

Crestron CWD6894 Two-Way RF Transceiver Module

Operations Guide - DOC. 7180A Two-Way RF Transceiver Module: CWD6894  5

Power/I-O

Edge connectors provide 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.

Power/I-O Pinout Signals

Pin # Signal Pin # Signal Pin # Signal Pin # Signal

1 GND1 7 GPIO1 13 SPICLK 19 GPIO6

2 RXEN 8 RST_N 14 SPI_MOSI 20 GPIO7

3 TXEN 9 PAEN 15 SPI_MISO 21 GND8

4 GPIO4 10 RXTXEN 16 SPI_CE_N 22 GND9

5 GPIO3 11 ATTN_N 17 IRQ_N 23 VCC (+3.3VDC)

6 GPIO2 12 CLKO 18 GPIO5

GND7

Setup

Refer to the hookup diagram below, which shows the connections made to the module. Complete the

connections in any order.

NOTE: To prevent unit-to-unit RF interference, multiple modules operating at the same frequencies

should not be installed within three to five feet of each other.

Hardware Hookup