rad DXC-8R/10A/30/30E modules:
| Product | Description | Size | |
| D4E1, D8E1 | 4/8 Port E1 Interface Modules | 838KB | |
| D4SL, D8SL | 2-Wire SHDSL E1 Link Module | 977KB | |
| D4T1, D8T1 | 4/8 Port T1 Interface Module | 789KB | |
| D8HS | 8 Channel High Speed Data Module | 834KB | |
| D8U, D16U | 8/16 Port ISDN U Interface Modules | 1,106KB | |
| DE1B | 2 Port E1 Link Module | 516KB | |
| DE3 | E3 Multiplexer Module | 871KB | |
| DFSTM-1 | Fractional STM-1 Multiplexer Module | 1,009KB | |
| DHS | Dual Channel High Speed Data Module | 688KB | |
| DIM | Digital Inverse Multiplexer Module | 366KB | |
| DT1B | 2 Port T1 Link Module | 576KB | |
| DT3 | T3 Multiplexer Module | 791KB |