Table 17: 1000Base-T Mdi And Mdi-X Port Pinouts - Edge-Core ECS4610-24F Installation Manual

24-port layer 3 gigabit ethernet switch
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| Cables
A
B
PPENDIX
Twisted-Pair Cable and Pin Assignments
1000BASE-T P
All 1000BASE-T ports support automatic MDI/MDI-X operation, so you can use
straight-through cables for all network connections to PCs or servers, or to other
switches or hubs.
The table below shows the 1000BASE-T MDI and MDI-X port pinouts. These
ports require that all four pairs of wires be connected. Note that for 1000BASE-T
operation, all four pairs of wires are used for both transmit and receive.
Use 100-ohm Category 5, 5e or 6 unshielded twisted-pair (UTP) or shielded
twisted-pair (STP) cable for 1000BASE-T connections. Also be sure that the
length of any twisted-pair connection does not exceed 100 meters (328 feet).

Table 17: 1000BASE-T MDI and MDI-X Port Pinouts

Pin
MDI Signal Name
1
Bi-directional Pair A Plus (BI_DA+)
2
Bi-directional Pair A Minus (BI_DA-)
3
Bi-directional Pair B Plus (BI_DB+)
4
Bi-directional Pair C Plus (BI_DC+)
5
Bi-directional Pair C Minus (BI_DC-)
6
Bi-directional Pair B Minus (BI_DB-)
7
Bi-directional Pair D Plus (BI_DD+)
8
Bi-directional Pair D Minus (BI_DD-)
C
T
ABLE
ESTING FOR
Installed Category 5 cabling must pass tests for Attenuation, Near-End Crosstalk
(NEXT), and Far-End Crosstalk (FEXT). This cable testing information is specified
in the ANSI/TIA/EIA-TSB-67 standard. Additionally, cables must also pass test
parameters for Return Loss and Equal-Level Far-End Crosstalk (ELFEXT). These
tests are specified in the ANSI/TIA/EIA-TSB-95 Bulletin, "The Additional
Transmission Performance Guidelines for 100 Ohm 4-Pair Category 5 Cabling."
Note that when testing your cable installation, be sure to include all patch cables
between switches and end devices.
A
IN
SSIGNMENTS
E
C
XISTING
ATEGORY
MDI-X Signal Name
Bi-directional Pair B Plus (BI_DB+)
Bi-directional Pair B Minus (BI_DB-)
Bi-directional Pair A Plus (BI_DA+)
Bi-directional Pair D Plus (BI_DD+)
Bi-directional Pair D Minus (BI_DD-)
Bi-directional Pair A Minus (BI_DA-)
Bi-directional Pair C Plus (BI_DC+)
Bi-directional Pair C Minus (BI_DC-)
5 C
ABLE
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