| Answer | Crossword Clue |
|---|---|
| EXT | Switchboard hookup: Abbr. |
| EXT | Switchboard abbr. |
| OPER | Switchboard worker: Abbr. |
| OPER | Switchboard worker (abbr.) |
| OPER | Switchboard attendant: Abbr. |
| LAN | Intraoffice hookup: Abbr. |
| LAN | Office hookup (abbr.) |
| TEL | Hookup for a tenant: Abbr. |
