### 1D)

- When the External Device supports RTS/CTS control

- When the External Device supports DTR/DSR control

No. | Name | Notes
--- | --- | ---
(1) | User-created cable Connector Display side: Terminal block External Device side: Depends on the specification of the External Device. |

NOTE

- Cable length: 15m or less.

Prohibited:

- When ER in the Display is OFF, do not allow the host device to send.