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9902-UDX-FS-OM (V1.1)
9902-UDX-FS PRODUCT MANUAL
2-11
Installation and Setup
Setting Up 9902-UDX-FS Network Remote Control
Figure 2-2 COMM, GPIO, and Analog Audio Connector Pinouts
+
–
G
Removable Phoenix plug view oriented
with top (screw terminals) up
Note: Unbalanced connections can be
connected across the + and G
terminals. Note that this connection
will experience a 6 dB voltage gain
loss. Adjust gain for these connections
accordingly.
Rear module
PCB connector
+ - G
Balanced Analog Audio Port Connections
GPI GND connections should be connected to pin 8 –
COMM GND, which is chassis GND.
Pin
Function
1
GPI IN 1
2
GPI IN 2
3
GPO RTN
4
GPO OUT 1
5
GPO OUT 2
6
UART_TX
7
UART_RX
8
COMM GND
COMM and GPIO Connections (RJ-45 Connector)
Pin 8
Pin 1
Note: View is “looking into”
connector from
unterminated
(user-facing) side.
GPIO uses equivalent opto-isolated circuits shown below.
IN 1
G
IN 2
G
GPI 1
GPI 2
Removable Phoenix plug
view oriented with top
(screw terminals) up
2 1 G
GPI Port Connections
(Phoenix Connector)
OUT 2
G
OUT 1
G
GPO 2
GPO 1
Rear module
PCB connector
1 2 G
GPO Port Connections
(Phoenix Connector)
GPO
GPO COM
Rear module
PCB connector
GPI
10 k
Ω
+3.3V
GPO from
card control
GPI to
card control
V+
GPO Specifications:
Max I: 120 mA
Max V: 30 V
Max P: 120 mW
Pullup R >500
Ω
resistor is recommended when using 5V control.
GPI Specifications:
GPI LO @ Vin < 1.5 V
GPI HI @ Vin > 2.3 V
Max Vin: 9 V