NTBK48AA - DB9F to 3/DB25M - 3 Port SDI Cable for Option 11
Provides TTY port access, also used to program MGC cards in slot zero.
| DB-9 Female Option 11 | NT Cable Colour | DB-25 Male TTY Port |
|---|---|---|
Cable 1 - Port 0 | ||
| 1 | Green | 8 |
| 2 | Red | 3 |
| 3 | Brown | 2 |
| 4 | Blue | 4 & 20 |
| 5 | Black | 7 |
Cable 2 - Port 1 | ||
| 6 | Red | 3 |
| 7 | Brown | 2 |
| 5 | Black | 7 |
| 8 & 4 | ||
| 6 & 20 | ||
Cable 3 - Port 2 | ||
| 8 | Blue | 3 |
| 9 | Green | 2 |
| 5 | Black | 7 |
| 8 & 4 | ||
| 6 & 20 | ||