Table 5-3 Tx Board J5000: To Rear Board 26-Pin Connector (J1) - RCA RDR9000 Service Manual

Service Manual
TX Board J5000: to Rear Board 26-Pin Connector (J1)
Pin No.
1 TXN
2 UART1_RXD
3 UART1_TXD
4 LED1
5 GND
6 Handset_Audio
7 EXT_MIC1
8 RX_Audio
9 RXP
10 TXP
11 USB_D-
12 ALARM_OUT
13 Emergency_IN
14 PRGM_IO1
15 PRGM_IO2
16 EXT_PTT1
17 UART2_RXD
18 RXN
19 USB_D+
20 UART2_TXD
21 LED2
22 PRGM_IO3
23 PRGM_IO4
24 PRGM_IO5
25 PA_Audio
26 IGN_IN

Table 5-3 TX Board J5000: to Rear Board 26-Pin Connector (J1)

Name
23
Function
TX data-
UART1 RX data
UART1 TX data
Network connection indication signal 1
Ground
NC
External MIC1 input
RX audio output
RX data+
TX data+
USB D-
Alarm output
Emergency input
Programmable input/output 1
Programmable input/output 2
External PTT1 input
UART2 RX data
RX data-
USB D+
UART2 TX data
Network connection indication signal 2
Programmable input/output 3
Programmable input/output 4
Programmable input/output 5
Public address output
Ignition input
5. Interface Description