Clock
and Data
Interface
Code
Dual-mode — Selectable between TTL (terminated 10k ohms to
M
ground) and RS-422 (terminated 120 ohms differential)
Dual-mode — Selectable between TTL (terminated 75 ohms to ground)
D
and RS-422 (terminated 120 ohms differential)
Tri-mode — Selectable between TTL (terminated 75 ohms to ground),
S
TTL (terminated 10k ohms to ground), and RS-422 (terminated 120
ohms differential)
L
LVDS (Low Voltage Differential Signal)
1.3.3
Serial Control Interface
Serial control interface codes are listed in Table 3.
Serial Control
Interface Code
1
2
T
4
1.3.4
ARTM Tier 0 (PCM/FM)
ARTM Tier 0 codes are listed in Table 5.
Part Number Code
1.3.5
ARTM Tier I (SOQPSK-TG)
ARTM Tier I codes are listed in Table 6.
6
Quasonix, Inc.
Baseband Clock and Data Interface
Table 4: Serial Control Interface Codes
Serial Control Interface
LVTTL; 57,600 baud rate
RS-232; 57,600 baud rate
TTL; 57,600 baud rate
RS-422; 57,600 baud rate
Table 5: ARTM Tier 0 Codes
0
1
TIMTER™ Multi-mode Dual
Telemetry Transmitter
PCM/FM (ARTM Tier 0)
Absent
Present
Defaults
TTL 10k ohms
TTL 75 ohms
TTL 75 ohms
LVDS
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