Lake Shore 625, User Manual

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Lake Shore Model 625 Superconducting MPS User’s Manual
Service 7-11
7.12.1 Serial Interface Cable Wiring
The following are suggested cable wiring diagrams for connecting the Model 625 Serial Interface to various Customer
Personal Computers (PCs).
Model 625 to PC Serial Interface – PC with DE-9P
Model 625 DE-9P Standard Null-Modem Cable (DE-9S to DE-9S) PC DE-9P
5 - GND 5 - GND
2 - RD (in) 3 - TD (out)
3 - TD (out) 2 - RD (in)
4 - DTR (out) 6 - DSR (in)
6 - DSR (in) 4 - DTR (out)
1 - NC 7 - RTS (out)
7 - DTR (tied to 4) 8 - CTS (in)
8 - NC 1 - DCD (in)
Model 625 to PC Serial Interface – PC with DB-25P
Model 625 DE-9P Standard Null-Modem Cable (DE-9S to DB-25S) PC DB-25P
5 - GND 7 - GND
2 - RD (in) 2 - TD (out)
3 - TD (out) 3 - RD (in)
1 - NC 4 - RTS (out)
7 - DTR (tied to 4) 5 - CTS (in)
8 - NC 8 - DCD (in)
6 - DSR (in) 20 - DTR (out)
4 - DTR (out) 6 - DSR (in)
Model 625 to PC Interface using Null Modem Adapter
Model 625 DE-9P Null Modem Adapter PC DE-9P
5 - GND 5 - GND
2 - RD (in) 3 - TD (out)
3 - TD (out) 2 - RD (in)
1 - NC 4 - DTR (out)
6 - DSR (in) 1 - DCD (in)
4 - DTR (out) 6 - DSR (in)
7 - DTR (tied to 4) 8 - CTS (in)
8 - NC 7 - RTS (out)
9 - NC 9 - NC
NOTE: Same as null modem cable design except PC CTS is provided from the Model 625 on DTR.