# Serial Port Loopback (25 Norton)

Used to verify that a port is working. This one works with Norton Utilities: Norton Diagnostics from Symantec.

(To Computer).

25 PIN D-SUB FEMALE to Computer.

Name | Pin | Pin | Pin | Pin
--- | --- | --- | --- | ---
Jumpering 1 | 2 | 3 |  |
Jumpering 2 | 4 | 5 |  |
Jumpering 3 | 6 | 8 | 20 | 22

Contributor: Joakim Ögren

Source:
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May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07