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'\" t
.\" Title: richcomm_usb
.\" Author: [see the "AUTHORS" section]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 12/29/2015
.\" Manual: NUT Manual
.\" Source: Network UPS Tools 2.7.3.1
.\" Language: English
.\"
.TH "RICHCOMM_USB" "8" "12/29/2015" "Network UPS Tools 2\&.7\&.3\&." "NUT Manual"
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.SH "NAME"
richcomm_usb \- Driver UPS equipment using Richcomm dry\-contact to USB solution
.SH "NOTE"
.sp
This man page only documents the specific features of the richcomm_usb driver\&. For information about the core driver, see \fBnutupsdrv\fR(8)\&.
.SH "SUPPORTED HARDWARE"
.sp
The Richcomm dry\-contact to USB solution is a generic interface that is used to upgrade an existing (RS\-232) contact closure UPS interface to USB\&. As such, all the limitations of the underlying contact closure interface apply\&. This means that you will only get the essentials in ups\&.status: OL, OB, and LB\&. See also \fBgenericups\fR(8)\&.
.SH "BUGS"
.sp
Most contact\-closure UPSes will not power down the load if the line power is present\&. This can create a race when using slave \fBupsmon\fR(8) systems\&. See the \fBupsmon\fR(8) man page for more information\&.
.sp
The solution to both of these problems is to upgrade to a smart protocol UPS of some kind that allows detection and proper load cycling on command\&.
.SH "AUTHORS"
.sp
Peter van Valderen <p\&.v\&.valderen at probu\&.nl>, Dirk Teurlings <dirk at upexia\&.nl>
.SH "SEE ALSO"
.SS "The core driver:"
.sp
\fBnutupsdrv\fR(8)
.SS "The generic serial driver:"
.sp
\fBgenericups\fR(8)
.SS "Internet resources:"
.sp
The NUT (Network UPS Tools) home page: http://www\&.networkupstools\&.org/
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