Chapter 11 - Connectors and Cables
11.1 Pin-out for 14-Pin Trillium Compact Connector
Trillium Compact model numbers TC120-SV1, TC20-SV1 (surface vault) are equipped with a
14-pin male military circular type hermetic connector. Table 11-1 provides the connector
pinout.
Pin Name Function Type
B X+/U+ X axis output (east) 40 Vpp differential
C X-/U-
F Y+/V+ Y axis output (north) 40 Vpp differential
H Y-/V-
L Z+/W+ Z axis output (vertical) 40 Vpp differential
M Z-/W-
K CAL_SIG Calibration signal input See Table 10-2 on page75
R MAXIMUM
MASS
POSITION
Mass position of the axis with the
highest absolute mass position
-4 V to +4 V analog
D CTRL/RX
Calibration enable, Short
Period/Long Period mode* -OR-
Serial RS-232 receive input
* See "Digital Control Input
Signals" on page55 and "Viewing
Seismometer Control" on
page64 for pin configuration and
functionality.
Digital: Active-high 12 V to 15 V (low
is equal to open or 0 V)
Serial receive: +5 V/0 V to +15 V/-15 V
J UVW/TX
Input: Enable UVW outputs instead of
XYZ factory default
Output: Serial RS-232 transmit
Digital: Active-high 5 V to 15 V (low is
equal to open or 0 V)
Serial transmit: ±3.7 V
E AGND Analog ground N/A
P +PWR Power input 9 V to 36 V DC isolated
N -PWR Power return
A DGND Digital ground N/A
shell CHASSIS For shielding and safety N/A
Table 11-1 - Pinout for 14-pin Trillium Compact connector
Chapter 11 - Connectors and Cables
16889R10 • 2020-11-12 Page 79
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