NTBK48AA
3 port serial "Octopus" cable
NTBK48AA - DB9F to 3/DB25M - 3 Port SDI Cable for Option 11 / MG1000 cabinets.
Breaks out three TTY ports: Use Port 0 for TTY connection to SCC or 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 | ||
One 9 pin D type to 3x 25 pin D type: TTY port 0, 1, and 2.