Serial Port/Com Port

 
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Operating Systems Linux Red Hat Serial Port/Com Port
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Old 04-14-2009
Java Serial Port/Com Port

System: Red Hat Enterprise Linux WS release 4 (Nahant Update 6)

Any idea how to Determine if a Serial Port in Linux System is defective?
Issued "cat /proc/tty/driver/serial". see below.

Code:
[root@arsenic] ~# cat /proc/tty/driver/serial
serinfo:1.0 driver revision:
0: uart:16550A port:000003F8 irq:4 tx:11 rx:0 RTS|CTS|DTR|DSR|RI
1: uart:unknown port:000002F8 irq:3
2: uart:unknown port:000003E8 irq:4
3: uart:unknown port:000002E8 irq:3
4: uart:16550A port:0000EC98 irq:185 tx:11 rx:0 CTS|DSR|CD
5: uart:unknown port:00000000 irq:0
6: uart:unknown port:00000000 irq:0
7: uart:unknown port:00000000 irq:0
8: uart:unknown port:00000000 irq:0
9: uart:unknown port:00000000 irq:0
.....

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USLSA(4)						   BSD Kernel Interfaces Manual 						  USLSA(4)

NAME
uslsa -- USB support for Silicon Labs CP210x series serial adapters SYNOPSIS
uslsa* at uhub? ucom* at uslsa? HARDWARE
The uslsa driver is known to work with the following adapters: Siemens MC60 Data Cable Suunto USB Serial Adaptor Helicomm IP-Link 1220-DVM Nokia CA-42 USB DESCRIPTION
The uslsa driver provides support for the Silicon Labs USB-to-RS-232 Bridge chip. The device is accessed through the ucom(4) driver which makes it behave like a tty(4). SEE ALSO
tty(4), ucom(4), usb(4) http://www.silabs.com. Silicon Laboratories AN571: CP210x Virtual COM Port Interface.. HISTORY
The uslsa driver appeared in NetBSD 4.0. AUTHORS
The uslsa driver was written by Jonathan A. Kollasch. Code and style was borrowed from existing NetBSD USB-serial drivers. CAVEATS
Settings other than 8 data bits, no parity, and 1 stop bit seem to be refused by the CP2101. BSD
January 17, 2012 BSD