CONNESSIONI PIN DEI CAVI SERIALI
Serial Link Cables
Cable Connections are Standard Null Modem
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------ COMPUTER 1 ----- ----- COMPUTER 2 ------
DB25 DB9 SIGNAL SIGNAL DB9 DB25
07 05 GND <---------------> GND 05 07
02 03 TD <---------------> RD 02 03
03 02 RD <---------------> TD 03 02
05 08 CTS <---------------> RTS 07 04
04 07 RTS <---------------> CTS 08 05
06 06 DSR <---------------> DTR 04 20
20 04 DTR <---------------> DSR 06 06
Laplink Cable
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25 way D male at each end - taken from a genuine "Yellow Laplink" Cable
A B
1 <------------> 1
2 <------------> 15
3 <------------> 13
4 <------------> 12
5 <------------> 10
6 <------------> 11
10 <------------> 5
11 <------------> 6
12 <------------> 4
13 <------------> 3
14 <------------> 14
15 <------------> 2
16 <------------> 16
17 <------------> 17
25 <------------> 25
Casing <--------> Casing
For the stations that have a 25way Serial Port and
Baycom wired 9Pin or
Vice a Versa this provides the info to make a converter Lead.
9PIN 25PIN FUNCTION LABEL
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3 --- 2 = Transmitted Data TXD
4 --- 20 = Data Terminal Ready DTR
5 --- 7 = Signal Ground SGD
7 --- 4 = Ready to Send RTS
8 --- 5 = Clear to Send CTS