__________________________________________________ 1 AsteRx2e_HDC, AsteRx2eL_HDC & AsteRx2i_HDC
AsteRx2 Product Family Hardware Manual v2.10.1
12
Cable Name: CBL*_HDC_COM2_COM3_GPIO
Part #: 201213
Dual COM cable with GPIO. This cable must be connected to I/O II and gives access to COM2 and
COM3. RTS/CTS handshaking is only available on COM3.
Next to the two DSUB9 connectors, this cable features the following open-ended wires (check section
1.1 for the I/O II ODU pinout):
ODU Pin#
Pin Name
(I/O II)
Wire Color
4
EventA
Red
5
EventB
Purple
6
Reserved
Green
12
Ground
Black
15
xPPS_Out
Brown
Do not leave the red, purple and green wires floating. Tie them to ground if not used. This is to avoid
crosstalk effects that could lead to spurious level transitions on the EventA and EventB inputs.
Cable Name: CBL*_HDC_COM2_COM3_GPIZ
Part #: 201236
Dual COM cable with GPIO. This cable must be connected to I/O II and gives access to COM2 and
COM3 (RTS/CTS not supported).
Next to the two DSUB9 connectors, this cable features the following open-ended wires (check section
1.1 for the I/O II ODU pinout):
ODU Pin#
Pin Name
(I/O II)
Wire Color
4
EventA
Blue
5
EventB
White/Blue
6
Reserved
Green
7
Button
White/Green
9
COM3_CTS
White/Orange
12
Ground
Brown
15
xPPS_Out
Orange
The white/green (Button) or white/orange (COM3_CTS) wires can be used as ZUPT (zero-velocity)
indicators. See also the command
setExtZUPTSource
.
Do not leave the blue, white/blue and green wires floating. Tie them to ground if not used. This is to
avoid crosstalk effects that could lead to spurious level transitions on the EventA and EventB inputs.
