User guide

77
Each CPS serial port provides an RJ-45 connector for attaching the CPS to your
serial devices. The RS-232 pinouts are shown in Figure 3. Figures 4 and 5
show wiring diagrams for making cables to connect to terminals and PCs.
Appendix B: Device Cabling
To CPS RJ-45 Port Pin # Pin # To Terminal
RTS Request To Send Output
DSR Data Set Ready Input
CD Data Carrier Detect Input
RD Receive Data Input
TD Transmit Data Output
GND Signal Ground Ground
DTR Data Terminal Ready Output
CTS Clear To Send Input
Signal Name Pin Functions
Clear to Send 8 4 Request to Send
Data Terminal Ready 7 6 Data Set to Ready
Signal Ground 6 7 Signal Ground
Transmit Data 5 3 Receive Data
Receive Data 4 2 Transmit Data
Data Carrier Detect 3 20 Data Terminal Ready
Data Set Ready 2 8 Data Carrier Detect
Request to Send 1 5 Clear to Send
RJ-45 (Plug)
Cable End View
DB-25 (MALE)
Cable End View
DB-25 (FEMALE)
1
1
1
Clear to Send 8 7 Request to Send
Data Terminal Ready 7 6 Data Set to Ready
Signal Ground 6 5 Signal Ground
Transmit Data 5 2 Receive Data
Receive Data 4 3 Transmit Data
Data Carrier Detect 3 4 Data Terminal Ready
Data Set Ready 2 1 Data Carrier Detect
Request to Send 1 8 Clear to Send
RJ-45 (Plug)
Cable End View
DB-9 (FEMALE)
Cable End View
1
1
To CPS RJ-45 Port Pin # Pin # To PC (DB-9)
Figure 3: CPS RJ-45
Port Pinouts
Figure 4: Cable Pinouts
for CPS RJ-45 to an
RS-232 Terminal
Figure 5: Cable Pinouts
for CPS RJ-45 to a PC
DB-9