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authorYojiro Uo <yuo@cvs.openbsd.org>2008-07-29 06:51:55 +0000
committerYojiro Uo <yuo@cvs.openbsd.org>2008-07-29 06:51:55 +0000
commitd20d421f2195309464cde6c4037e8565b1484f15 (patch)
tree2ab2db162dfdb289518fde24f9fba04848d33b39 /share
parent76110db57e3c187388dd1a0403780bf12092c24d (diff)
add description for the modem which has multiple com ports.
checked and ok jsg@
Diffstat (limited to 'share')
-rw-r--r--share/man/man4/umsm.412
1 files changed, 10 insertions, 2 deletions
diff --git a/share/man/man4/umsm.4 b/share/man/man4/umsm.4
index 6f95b34c44d..db03d7536d4 100644
--- a/share/man/man4/umsm.4
+++ b/share/man/man4/umsm.4
@@ -1,4 +1,4 @@
-.\" $OpenBSD: umsm.4,v 1.31 2008/07/28 10:42:12 yuo Exp $
+.\" $OpenBSD: umsm.4,v 1.32 2008/07/29 06:51:54 yuo Exp $
.\"
.\" Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
.\"
@@ -14,7 +14,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: July 28 2008 $
+.Dd $Mdocdate: July 29 2008 $
.Dt UMSM 4
.Os
.Sh NAME
@@ -73,6 +73,14 @@ Devices suspected of being compatible are:
.It Li "Sierra Wireless MC8765" Ta Ta PCI Express Mini Card
.It Li "Sierra Wireless MC8775" Ta Ta PCI Express Mini Card
.El
+.Pp
+Some modems have multiple com ports, however almost all modems
+have only one effective port for PPP connections.
+For example, the Huawei E220 has two com ports, but only the first
+port can be used to make connections, the second one is for management.
+The Option GlobeTrotter HSDPA modem has three com ports, but
+only the last port can be used to make PPP connections.
+.Pp
.Sh EXAMPLES
An example
.Pa /etc/ppp/ppp.conf