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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

Ethernet Port Settings: Difference between revisions

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__NOTOC__<indicator name="Front">[[File:Menu-ethernet.svg|link=:Category:Ethernet|30px|Back up to the Ethernet Services Page]]</indicator>
<indicator name="Front">[[File:Menu-ethernet.svg|link=:Category:Ethernet|30px|Back up to the Ethernet Services Page]]</indicator>
This information is in relation to our Etherway/Etherflow and EAD services.
This information is in relation to our Etherway/Etherflow and EAD services, their physical port settings and VLAN information.


==Link speed==
⚫
The Ethernet services are presented in different ways depending on the link speed you have requested.


⚫
The Ethernet services are presented in different ways depending on the link speed you have requested, though the most common is 1Gb/s.
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===1Gb/s (Standard) ===

=Physical Connections=
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==1Gb/s Services (Standard) ==


'''Main point:'''
'''Main point:'''
* Customer router connects to Openreach supplied ONT via Fibre patch lead, not copper RJ45.
* Customer router connects to Openreach supplied ONT via Fibre patch lead, not copper RJ45.


===SFP Requirements for customer router===
*For 1Gbit/s bearers, the connection from the Openreach NTE to the customer equipment is presented using multimode mode fibre on LC connectors.
*Your router/switch would also need a SFP port.
*A suitable SFP for the customer equipment would be a 550m MMF 850nm SX SFP and a length of multimode cable with LC connectors at each end.
*We can supply a suitable SFP and cable if you require.


⚫
This link should be used with an auto-negotiation, which is the default for gigabit links.
For 1Gbit/s bearers, the connection from the Openreach NTE to the customer equipment is presented using multimode mode fibre on LC connectors. A suitable SFP for the customer equipment would be a 550m MMF 850nm SX SFP and a length of multimode cable with LC connectors at each end. your router/switch would also need a SFP port. We can supply a suitable SFP and cable if you require.


<gallery widths=250 caption="Some photos of the NTE, SFP, cables etc">
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The Openreach NTE does have a copper RJ45 port as well as an SFP port for connection to the customer router - however, '''the copper port is disabled by Openreach and the fibre port should be used.''' If customer router only has RJ45 copper ports, then a little media convert would be required. These are available for under £20 - eg a TP-Link ‎MC220L.

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This link should be used with an auto-negotiation port which is the default for gigabit links

⚫
In most cases, it is possible to replace the Openreach supplied SFP with something different, eg a DAC cable, this may light an error LED on the Openreach box though, and so cause confusion in the event of a fault. We'd also require that the Openreach supplied SFP is used in the event of a fault report.

The ONT requires power, and has two IEC sockets for resilience. eg, you can use a UPS on the 2nd power socket to power the unit in the event of mains power loss.
<gallery widths=250>
Etherway-ONT.JPG|Openreach NTE for 1G circuits
Etherway-ONT.JPG|Openreach NTE for 1G circuits
SFP-SX.jpg|SX SFP for customer equipment
SFP-SX.jpg|SX SFP for customer equipment
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</gallery>
</gallery>


===100Mb/s (No longer offered) ===
===Can't use the RJ45 port...===
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*The Openreach NTE does have a copper RJ45 port as well as an SFP port for connection to the customer router - however, '''the copper port is disabled by Openreach and the fibre port should be used.'''
*If customer router only has RJ45 copper ports, then a little media convert would be required. These are available for under £20 - eg a TP-Link ‎MC220L.

===DAC cable?===
⚫
*In most cases, it is possible to replace the Openreach supplied SFP with something different, eg a DAC cable, this may light an error LED on the Openreach box though, and so cause confusion in the event of a fault.
*We'd also require that the Openreach supplied SFP is used in the event of a fault report.
*We'd suggest just using multimopde fibre!

===Power===
*The ONT requires power, and has two IEC sockets for resilience.
*We suggest using normal mains power on the first socket and a UPS on the 2nd power socket.

==100Mb/s Services (No longer offered) ==
For 100Mbit/s links the service is presented using a normal Ethernet (copper) RJ45 connector. You use a normal cat-5 Ethernet patch lead to connect this to your switch, router or firewall as you required.
For 100Mbit/s links the service is presented using a normal Ethernet (copper) RJ45 connector. You use a normal cat-5 Ethernet patch lead to connect this to your switch, router or firewall as you required.


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Cabling is a straight through cat5e patch lead to your managed switch.
Cabling is a straight through cat5e patch lead to your managed switch.


===10Gb/s===
===10Gb/s Services===
For 10Gbit/s you will need special 10Gbit/s equipment, contact sales when ordering for details.
For 10Gbit/s you will need special 10Gbit/s equipment, contact sales when ordering for details.


==VLANs==
=VLANs=
At the customer side the service is presented on a VLAN. The VLAN ID will be discussed during the order process. This would then be set on your router as the VLAN on interface that is connected to the Openreach NTE.
At the customer side the service is presented on a VLAN. The VLAN ID will be discussed during the order process. This would then be set on your router as the VLAN on interface that is connected to the Openreach NTE.


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Where a dedicated site-to-site fibre is used then any packets simply go to the other end including any VLAN tags. This link is effectively a very long Ethernet cable, though still subject to packet size limits.
Where a dedicated site-to-site fibre is used then any packets simply go to the other end including any VLAN tags. This link is effectively a very long Ethernet cable, though still subject to packet size limits.


==Packet size==
=Packet size=
Packet sizes up to 1548 are permitted on site-to-site traffic. Internet access is limited to 1500 bytes (plus VLAN tag where needed).
Packet sizes up to 1548 are permitted on site-to-site traffic. Internet access is limited to 1500 bytes (plus VLAN tag where needed).


==Technical details==
=Technical details=
See [https://www.btwholesale.com/pages/downloads/Products/Integrated_Data_and_Connectivity/SIN_476v1p3.pdf BT SIN 476] for technical details.
See [https://www.btwholesale.com/pages/downloads/Products/Integrated_Data_and_Connectivity/SIN_476v1p3.pdf BT SIN 476] for technical details.


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