Displaying 20 results from an estimated 154 matches for "cat5e".
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cat5
2009 Dec 31
3
[OT] CAT5 IP-capable rackmount KVM units?
Rather off-topic, but I'm looking for IP-based KVMs (~16 ports) that can
handle both PS/2 and USB hookups on the server side. All of the answers
over at Slashdot are a few years out of date and it looks like prices on
KVM head units have dropped a bit over the years.
Some of the older units only worked with Windows, Internet Explorer and
ActiveX. Others like the ATEN KH1516i supposedly
2007 Dec 19
3
median of binned values
Dear list,
I have a vector (array, table row, whatever is best) of frequency values
for categories (or bins), and I need to find the median category.
Trivial to do by hand, but I was wondering if there is a means to do it
in R in an elegant way.
The obvious medioan(vector) returns the median frequency for the binns,
and that is not what I want. i.e,:
freq
cat1 1
cat2 10
2007 Mar 18
6
T1 cable for Digium T1/E1 Cards
Is there any technical difference between a T1 cable and a cat5e patch
cable as far as using them with Digium T1/E1 cards? Can PRI circuits
terminating at a smart jack connect successfully to Digium cards using
straight through CAT5e cables? If so, are they using all of the pins in
the cable?
Thanks in advance
2004 Apr 28
4
Best echo-free and trouble-free system?
We currently have a 15-phone system using Asterisk, a combination of
analog phones/Grandstream HandyTone-286 and Grandstream BT101s, and 4
X100Ps connected to analog lines. The system works well except for
the occasional echo problem. I have all the echo parameters
configured, removed all the extra incoming analog lines except to the
PBX, etc. following all the advice on the wiki and on the
2011 Jan 17
2
matrix manipulations
Hi,
I am having some difficulties with matrix operations. It is a little hard to explain it so please bear with me. I have a very large data set, large enough that it needs to be split in parts in order to deal with. I can work things on these "parts" but the problem lies in adding together these parts for the final answer.
So that been said, let's say that i split the data in 2
2005 Mar 14
4
E1/T1 back to back ??
Hi there
Just a quick question, I will be building some servers in a lab utilizing
Digium E1 cards. I would like if possible to avoid the expense of installing
an e1/ISDN30 in my lab. I have two questions really, first does anybody know
of an effective simulation tool I can use to replicate a real world PRI but
without the telco line being installed. And secondly, can I have a scenario
with 2
2005 Jul 21
2
cat 5 'joiner'? (polycom 500 problem)
What gives with the stupid stupid power system on the Polycom IP500 (I
hope they changed it on the 501's).
Anyway, does anyone know if you can get some type of joiner to connect
two Cat5 cables together, and will this affect the call/signal quality
because my Ethernet cable is longer than the dumb 11ft polycom supply
(oh and their manual is the wrong about which end goes into the handset
2006 Apr 24
1
Shielding of T1/E1 cables WAS RE: Pinouts for T1/E1 crossover cable WAS "RE: what cable to connect a legacy PBX to a TE410P ?"
...s cost and weigh more than
triple what they do now. He told me that with the number of twists in
the Cat 5 cable it would cancel out any interference, but he also stated
that the effective length was calculated using a cable with less twists
and subsequently 'less dense' and that if using a Cat5e cable you must
factor that in. so if you use cat5e cable your are fine but you can't go
as far.
Regarding the Smart Jack it is mostly used as a location at the CPE
where the Telco can loop and make sure that the problem is at your end.
So your assumption is correct that you can plug anything y...
2006 Apr 24
1
Re: Shielding of T1/E1 cables WAS RE: PinoutsforT1/E1 crossover
> Close. 10/100mbps Ethernet uses wires 1,2,3,6 but that is pair 2 & 3.
> Pair
> one is the pair up the dead center (pins 4&5), pair 2 is pins 1&2,
pair 3
> is
> 3&6 and pair 4 is 7&8. A T1 uses pairs 1&2, which is why you can't
use a
> regular crossover cable for a T1 crossover, but you can use a regular
> ethernet patch cable as a T1 patch
2006 Apr 22
4
Pinouts for T1/E1 crossover cable WAS "RE: what cable to connect a legacy PBX to a TE410P ?"
Can't anyone stop self-promotion and tell the poor guy what he needs.
A T1/E1 X-over cable using an RJ-45 (8-cond.) is pinned out as follows:
1 - 4
2 - 5
3 - NU
4 - 1
5 - 2
6 - NU
7 - NU
8 - NU
NU = Not Used
I have not in my experience seen any problems with using a Good Quality
Cat5 vs. Cat 3 (telco standard) cable for X-connects. YMMV, but you
should be fine. As far as the shielding
2011 Feb 23
8
security cameras
I heard about some inexpensive security cameras which get their power
through the same cat5 cable which delivers the data/pictures (which
would simplify wiring tremendously). Does anyone know about these? Do
they work with Linux, particularly CentOS?
tnx 4 tips.
2010 Oct 23
2
B410P - BRI NT 100 Ohm terminator
Hi,
My set up is :
Asterisk with B410P in NT mode <-------------cat5 straight cable
----------------> Another PBX in TE mode
Is the 100 Ohm terminator you can find on B410P boards, necessary when
connecting in NT mode to another PBX (set in TE mode) ?
Cheers
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2006 Feb 26
5
Voice Over WiFi
Hello all,
this is not really an * question but it is somehow related, i am trying to
develop a working proposal for cheap and quick telephony services using Voip
running over *. By running a wireless network (over 802.11 a/b/g devices),
i plan to be able to reach customers directly with eithe table top or
handheld 802.11 sip enabled phones.
But the disadvantage is that how do i power each radio
2007 Jan 16
1
dhcpd errors
Hello Everyone,
I'm running a dhcp server on CentOS 4.4. It's providing IPs and remote
booting for a number of thin clients.
I've recently had problems rebooting a few thin clients. Here is the
error I've been seeing:
Jan 16 14:16:45 at01 dhcpd: DHCPRELEASE from 00:40:63:e5:71:4f specified
requested-address.
Jan 16 14:16:45 at01 dhcpd: DHCPRELEASE of 10.1.1.150 from
2007 Nov 18
1
p2p t1 with sangoma hw
...d be using pri but i am not
sure,. i also am not sure if i would be using 1-24 kewlstart or 1-23 + 1
delta. I am also not sure if i need any extra configuration since they
are p2p, do i need to set timing on one end?
Also for the wiring, i have a verizon smartjack for the p2p t1 and i am
running cat5e from the smartjack to the asterisk box, do i wire this
like a standard ethernet cable t568b? or does it need to be wired
differently? Verizon was going to install it but then they told me they
DO NOT use shielded cable which i thought was needed, so i decided i
would do it myself and save some mo...
2006 Oct 17
3
Cluster Help
Hi All,
Need some information on getting the right storage array to buy for my
cluster configuration can anyone help me with this
my Setup so far
2 Athlon 2800 Sempron System
1 Wti Network power switch
1 24 Port 10/100 Cat5 switch
2 Adaptec 39160 scsi host adapter pci cards installed in the systems.
I need to know what is the best storage solution with this configuration
Thanks
2005 Mar 08
1
7960 Dies when network cable connected
Hey All,
I have a user whose Cisco 7960 died the other day. When you disconnect the
Ethernet cable the phone boots (as far as it can w/o network connectivity)
but as soon as you plug in the CAT5 it goes dead. (no lights, no sound, no
display, nothing)
I tried to contact Cisco but they say I have to contact the vendor. I have
sent an email to the vendor (www.thevoipconnection.com) and I am
2009 Apr 06
2
25-50-100fxs
Any hardware that can do 25-50-100 fxs ports trunked to sip ?
Example one end a cat5 other end 50 RJ11's jacks..
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2005 Jan 18
2
Router Recommendations Please
Hello all,
We've discovered that VoIP (IAX2) + Citrix + Video is pegging the measly
CPU on the Netopia router our ISP provided. We've got 3Mb/3Mb and will
increase to 4/4 next year.
The Netopia simply breaks out our WAN IPs, and we've got a switch hooked up
to it on the inside (Actually I've got a QoS box in-between).
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| Internet |
| on Cat5 |
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2005 Jan 02
12
phones with two ethernet ports
Hi there, what phones are available that have two ethernet ports?
I want to do some cabling at a new installation and i heard there are
such phones (SIP i guess) out there. That way i dont have to run two
cat5 to the user desktop.
I think 3COM had one but can't find the web site reference for the two
port phone
thanks,
erick