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User Manual
37
Channel 1
2
3
4
Pin No.
RJ45-1
2 RDATA,
3 TDATA
6 RCLK,
7 TCLK
1, 4, 5, 8 GND
RJ45-2
2 RDATA,
3 TDATA
6 RCLK,
7 TCLK
1, 4, 5, 8 GND
RJ45-3
2 RDATA,
3 TDATA
6 RCLK,
7 TCLK
1, 4, 5, 8 GND
RJ45-4
2 RDATA,
3 TDATA
6 RCLK,
7 TCLK
1, 4, 5, 8 GND
The following example gives signal definition of DB25:
Function
Mnemonic
Pins
In – Out
Remarks
Frame ground
101/FGND
1
Signal ground
102/SGND
7
Transmit data
103/TD
2
Receive data
104/RD
3
Request to send
105/RTS
4
(ON)
Clear to send
106/CTS
5
Data terminal ready
108/DTR
20
(ON)
Terminal Tx clock
113/TTC
24
Not used
Tx clock
114/TC
15
Not used
Rx clock
115/RC
17
Not used
Connection with RC3000-SUB-DV24:
DB25
3
2
1, 7
6, 8, 20
24
15, 17
4, 5
Signal
Data
RX
Data
TX
Signal grounding
Protect grounding
Handshake signal
Internal
connection
TX
timing
RX timing
Internal
connection
Handshake signal
Internal connection
RJ45
3 2
1,
4
6
7
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
RJ45-1
RJ45-2
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Figure 5-24
RJ45-3
RJ45-4