Compact RDMS
TM
Telemetry Receiver
2
Quasonix, Inc.
Position Signal
Description
8
RS 232 Tx Output
RS-232 responses to host controller
9
+28 VDC
Primary 28 VDC power to module
10 Ground
Secondary power return, 2 amps maximum;
Internally tied to pins 2, 3, and 6
11 Power
ON
Power on reset pin; Temporarily grounding this
pin is equivalent to power cycling the module
12 Clock
Return
Ground for LVTTL outputs, Clock- for RS 422
outputs
13 Data
Return
Ground for LVTTL outputs, Data- for RS 422
outputs
14
Ones Detect
LVTTL signal use for sync time testing
15
RS 232 Rx Input
RS-232 commands from host controller
By default, the output data is valid on the falling edge of the clock, as shown in Figure 4. The polarity of the output
clock may be inverted by use of the “CP 1” command described below.
Figure 4: Baseband Signal Timing