== Data transfer ==
=== Modems ===
* [[Commstar v21/23 modem]]
* [[Digitelec DTL 2000/2100 Modem]]
=== Serial Interfaces ===
* [[AMSSIO]] (RS232 interface) (DIY)
* [[Amstrad Serial Interface]]
* [[Cirkit serial interface]]
* [[Commstar v21/23 modem]]
* [[CPCI RS232 Interface]] (DIY)
* [[Digitelec DTL 2000/2100 Modem]]
* [[KDS Electronics Serial Interface]]
* [[SCA CPC Prolink]]
=== Others ===
* [[Virtual Net 96]] ([[Wizcat]])