| Reference | ISDN data rate | DTE and DCE interface | ISDN software |
| IB 512-42100 | 512 kb/s - 4 BRI/S0 | V11 - RS449 | EURO - ISDN |
| IB 512-42110 | 512 kb/s - 4 BRI/S0 | V10 - V35 | EURO - ISDN |
| IB 512-42130 | 512 kb/s - 4 BRI/S0 | G703 | EURO - ISDN |
| IB 512-32100 | 384 kb/s - 3 BRI/S0 | V11 - RS449 | EURO - ISDN |
| IB 512-32110 | 384 kb/s - 3 BRI/S0 | V10 - V35 | EURO - ISDN |
| IB 512-22100 | 256 kb/s - 2 BRI/S0 | V11 - RS449 | EURO - ISDN |
| IB 512-22110 | 256 kb/s - 2 BRI/S0 | V10 - V35 | EURO - ISDN |
| IB 512-12100 | 128 kb/s - 1 BRI/S0 | V11 - RS449 | EURO - ISDN |
| IB 512-12110 | 128 kb/s - 1 BRI/S0 | V10 - V35 | EURO - ISDN |
| IB 512 EB128 | Card to increase data rate by 128 kbps | ||
| IB TERMINAL | Local or remote configuration software(via ISDN under Windows) | ||
| BACKUPVIEW | Remote management software | ||