Cable 3151-to-modem ( remote terminal )
male-male

P/N6343332

  _________                                                   ______
 |         |    _______                       _______        |      |
 | RS/6000 |___| Modem |_ _  telephone line  | Modem |_______| 3151 |
 |_________|   |_______|                     |_______|       |______|
                                                         |
                                                         |
                                                         |
                                                   This cable here