RG-SS6510
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4C Series Switch Hardware Installation and Reference Guide
Appendix A Connectors and Connection Media
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Appendix A Connectors and Connection Media
10GBASE-T/1000BASE-T/100BASE-TX Port
10GBASE-T/1000BASE-T/100BASE-TX
is a port that supports self-adaptation of three rates, and automatic MDI/MDIX
Crossover at these three rates.
10GBASE-T complies with IEEE 802.3an standard, and the supported cables and cabling distances are listed in the
following table. 10GBASE-Tport uses four pairs of wires for transmission, all of which must be connected. The following
table shows the connection of the twisted pairs used by the 10GBASE-T port.
Cable
CAT7 STP
CAT6A STP
CAT6A UTP
CAT6 STP
CAT6 UTP
Description
Cat-7
shielded
twist pairs
Cat-6A
shielded
twist pairs
Cat-6A unshielded
twist pairs
Cat-6
shielded
twist pairs
Cat-6
unshielded
twist pairs
Model
Class F
ISO/IEC 11801
Class E
ISO/IEC 11801 Ed2.1/TIA-568-C.2
Class E
ISO/IEC TR24750 TSB-155
Max
Transmission
Distance
100 m
100 m
100 m
37 m to 55 m
Cabling
System
Bandwidth
600 MHz
500 MHz
250 MHz
Description
Meet the minimum performance requirements of 10GBASE-T
standard.
Strictly
follow
TSB-155
standard
requirements to ensure the reliable
application of 10GBASE-T.
The maximum transmission distance will be less than 37m when CAT6 UTP unshielded wire is exposed in severe
condition and influenced by external crosstalk.
It is recommended to use CAT6A shielded wire or wires with higher specifications for the cabling of the new
equipment room. CAT6A or CAT7 shielded wire can maximize the avoidance of external crosstalks. Note the
cabling system and the overall grounding when shielded wire is used.
Now that CAT6A unshielded wire or CAT6 wire is applied in the cabling of the equipment room. The cabling must
meet TSB-155 requirements. And the recommended cabling rules are as follows:
1. Avoid mixed cabling with other cables, or use metal clapboard in the trunking to isolate different wires.
2. At the outlet end of the device, place the wire separately and ensure parallel cabling. Most of the crosstalks
happen within the 20 m started from the outlet end of the device, so it is suggested not to bind up the wires within
the first 5 m-20 m.
3. Bind CAT6A unshielded wire every 50cm-70cm when the wires need to be bound. Bind CAT6 unshielded wire
every 160cm-180cm as loosely as possible.
4. The suggested number of wires in a bundle is not more than 12.
5. CAT6 wire connector is replaced with CAT6A wire connector.
The 1000BASE-T complies with IEEE 802.3ab standard, and uses up to 100m of 100-ohm CAT5, CAT5E or twisted
pairs with higher standard. The 1000BASE-T port uses four pairs of wires for transmission, all of which must be
connected. Figure A-1 shows the connection of the twisted pairs used by the 1000BASE-T port:
