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Forum Discussion
friendly_banter
Jan 28, 2020Initiate
GS308P Gigabit Speed issue
Hi there, I have installed a GS308P recently and connected it to one of our distribution switches to provide additional ports for some desks in the office. The switch port the GS308P is conne...
- Feb 05, 2020
Hi folks,
First of all, thanks for your replies.
In the end the solution was as simple as embarrassing. After replacing all cables I could replace (except for the one under the floor from the floor box to the comms room of course) I decided that the culprit had to be the one cable between floor box and switch. Replaced with a good one and tested - hooray, gigabit.
Then I installed the switch at its designated location and .... 100Mbps. :(
It turned out, the Ethernet port in the floor box is wonky and once the lid of the box is closed the cable and the RJ45 connector are pushed down and some pins lose contact so that only 100Mbps are possible.
Long story short, I managed to lay in the cable in a way that this does not happen anymore.
schumaku
Jan 28, 2020Guru - Experienced User
CAT5 cables - permitting they have four pairs / eight strands properly wired are perfectly fine also for GbE connection. Typically a wiring or patch cord issue, regardless of the teck standard.
plemans
Jan 28, 2020Guru - Experienced User
schumaku wrote:CAT5 cables - permitting they have four pairs / eight strands properly wired are perfectly fine also for GbE connection. Typically a wiring or patch cord issue, regardless of the teck standard.
Never tried to get a cat5 cable to hit gigabit. but I've seen numerous posts that were resolved by replacing a cat5 cable with a cat5e or greater cable. Something easy to check.
- schumakuJan 28, 2020Guru - Experienced User
plemans wrote:
schumaku wrote:CAT5 cables - permitting they have four pairs / eight strands properly wired are perfectly fine also for GbE connection. Typically a wiring or patch cord issue, regardless of the teck standard.
Never tried to get a cat5 cable to hit gigabit. but I've seen numerous posts that were resolved by replacing a cat5 cable with a cat5e or greater cable. Something easy to check.
The problem is that there are CAT5 cables with two pairs (four strands) and fully equipped ones with four pairs (eight strands). And hey, if the [patch] cord isn't very long it does run even 10G.
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