View source for Tripp Lite Keyspan USA-19HS USB to RS-232 Adapter

[[File:Tripp_Lite_Keyspan_USA-19HS_Stock_Photo.jpg|thumb|Tripp Lite USA-19HS (stock photo)]]

== Overview ==

USB to RS-232 adapter with a male DE9 jack and standard DTE RS-232 pinout, meant to connect to a DCE.

== Wiring Diagram ==

{| class="wikitable"
! DE9 Pin
! Function
! Direction
|-
| 1
| DCD
| PC &larr; device
|-
| 2
| RXD
| PC &larr; device
|-
| 3
| TXD
| PC &rarr; device
|-
| 4
| DTR
| PC &rarr; device
|-
| 5
| GND
| PC &harr; device
|-
| 6
| DSR
| PC &larr; device
|-
| 7
| RTS
| PC &rarr; device
|-
| 8
| CTS
| PC &larr; device
|-
| 9
| RI
| PC &larr; device
|-
| (shield)
| shield
| PC &harr; device
|}

== Online Resources ==

[https://tripplite.eaton.com/keyspan-high-speed-usb-to-serial-adapter~USA19HS Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton]

[https://cnc-specialty-store.com/rs232-cables/rs232-usb-to-serial-port-converter-adapter-for-cnc-fully-tested?srsltid=AfmBOopSgmKNdg8BJELhwzBDfbsOUcJa4EwjK4L6KHJvVSfsXrOWDNgU Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store]