VT100.net: Digital VT102 User Guide

Table 6-4 Possible Modem Control Feature and Modem Configurations
FDX A	FDX B		FDX C	HDX A	HDX B
DF01-A Acoustic-coupler 300 baud Bell 103 300 baud 2-wire DF02 300 baud 2-wire Bell 113 300 baud 2-wire Bell 212A 1200 baud 2-wire DF03 300/1200 baud 2-wire	Bell 103 300 baud 2-wire Bell 113 300 baud 2-wire DF02 300 baud 2-wire Bell 212A 1200 baud 2-wire dual-speed option DF03 300/1200 baud 2-wire Datel 200 V.21 200/300 baud 2-wire	D200/D300S V.21 200/300 baud 2-wire D1200SDX V.22 1200 baud 2-wire DFG300 V.20 bis, V.24 300 baud 2-wire 2 stop bits DAG1200M V.23 1200 baud 4-wire Datel 600 Modem 5 V.23 1200 baud 4-wire	D1200S with reverse channel V.23 REC 1200 baud TRANS 75 baud 2-wire Datel 600 Modem 4 V.23 REC 600/1200 baud TRANS 75 baud 2-wire	Bell 202 1200 baud 2-wire D1200S V.23 1200 baud 2-wire	Bell 202 1200 baud 2-wire D1200S V.23 1200 baud 2-wire