Raisecom RC3000 - Page 46

www.raisecom.com 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