3
rd
Generation Compact RDMS
TM
Telemetry Receiver
13
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 Reset
Open = Power On, Ground = Power Off (Reset)
12
Clock Return
Ground for TTL outputs, Clock- for RS 422 outputs
13
Data Return
Ground for TTL 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 5: Baseband Signal Timing
