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Home arrow Newbrain Information arrow NB to PC Serial Cable

NB to PC Serial Cable

Written by Chris Desp
Monday, 16 July 2012
Serial Cable
Nb to pc
How to build a serial cable 
Serial Cable
Nb to pc

PC RS232(9 PIN) Signals

 1 2 3 4 5
  6 7 8 9

1 DCD   Data Carrier Detect
2 RXD   Receive Data (a.k.a RxD, Rx)
3 TXD   Transmit Data (a.k.a TxD, Tx)
4 DTR   Data Terminal Ready
5 GND   Ground
6 DSR   Data Set Ready
7 RTS   Request To Send
8 CTS   Clear To Send
9 RI    Ring Indicator

NB Signals

2  CTS
3  POL. (Not USED)
5  RTS
6  GND


  PC Pin   NB PIN
    2(RXD) 4(Data out)
    3(TXD) 1(Data in)
    5(GND)      6(GND)
    7(RTS)      2(CTS)
    8(CTS)      5(RTS)

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Shoppie: Hello all, Found my old Newbrain in my garage again. The sticker on the bottoms shows I bought it in March 1984.... The good old computer days :-) (Date: 03/04/2018 14:12)
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