CABLE SPECIFICATIONS

Twisted Pair Cable and Connector Specifications

MA-TXCategory 5 twisted-pair copper

Either shielded twisted-pair (STP) or unshielded twisted-pair (UTP) can be used. .

CATEGORY 5:

Gauge

24 to 22 AWG

Attenuation

22.0 dB /100m @ 100 MHz

Maximum Cable Distance*:

100 meters

Twisted pair connection requires two active pairs configured as straight-through OR as crossover. The two active pairs in an Ethernet™ network are pins 1 & 2 and pins 3 & 6. Use only dedicated wire pairs (such as blue/white & white/blue, orange/white & white/orange) for the active pins.

Straight ThroughCrossover

Twisted Pair #1

 

1

 

 

 

1

Twisted Pair #1

1

1

 

2

 

 

 

 

2

2

2

 

 

 

 

 

 

Twisted Pair #2

 

3

 

 

3

Twisted Pair #2

3

3

 

6

 

 

6

6

6

 

 

 

 

 

 

 

 

 

 

Cascade two repeater stacks by connecting fiber cable from a connector at the front of the first hub to a connector at the front of the second hub.

910111213141516

100BASE-FX

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

9

10

11

12

13

14

15

16

100BASE-FX

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

9

10

11

12

13

14

15

16

100BASE-FX

1

2

3

4

5

6

7

8

to hub, switch or router

910111213141516

100BASE-FX

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

9

10

11

12

13

14

15

16

100BASE-FX

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

9

10

11

12

13

14

15

16

100BASE-FX

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

9

10

11

12

13

14

15

16

100BASE-FX

1

2

3

4

5

6

7

8

 

 

 

 

 

 

 

 

9

10

11

12

13

14

15

16

100BASE-FX

1

2

3

4

5

6

7

8

Fiber Cable

MULTIMODE

Using the 512-Bit Rule

When configuring Fast Ethernet™ networks, use the 512-bit rule to determine masimum cable lengths for each half-duplex collision domair.

Fiber Optic Cable Recommended:

62.5 / 125 µm multimode fiber

Optional:

100 / 140 µm multimode fiber

 

85 / 125 µm multimode fiber

 

50 / 125 µm multimode fiber

Bit error rate:

10-11

 

E-FX-HB-xx00, MA-FST

1300 nM

 

Fiber-optic Transmitter Power:

min: -16.0 dBm

max: -9.0 dBm

Fiber-optic Receiver Sensitivity:

min: -35.0 dBm

max: -14.0 dBm

Link Budget

19 dB

 

Typical Maximum Cable Distance:*

2 kilometers

 

E-FX-HB-xx00(SC), MA-FSC

1300 nM

 

Fiber-optic Transmitter Power:

min: -16.0 dBm

max: -9.0 dBm

Fiber-optic Receiver Sensitivity:

min: -35.0 dBm

max: -14.0 dBm

Link Budget

19 dB

 

Typical Maximum Cable Distance:*

2 kilometers

 

SINGLEMODE

 

 

Fiber Optic Cable Recommended:

9 µm singlemode fiber

Bit error rate:

10-11

 

MA-FSM

1300 nM

 

Fiber-optic Transmitter Power:

min: -16.0 dBm

max: -9.0 dBm

Fiber-optic Receiver Sensitivity:

min: -35.0 dBm

max: -14.0 dBm

Link Budget

19 dB

 

Typical Maximum Cable Distance:*

20 kilometers

 

*Actual distance dependent upon physical characteristics of network installation.

Class I repeater

140

BT

Class II repeater

92

BT

Class I TX/FX media converter

130

BT

Class II TX/FX media converter

92

BT

DTE (PC, switch, router)

50

BT

1 meter CAT.5 TP cable

1.11

BT

1 meter fiber cable

1

BT

Fast Ethernet switch

50

BT

 

 

 

To calculate a collision domain round-trip delay in bit-times, find the longest path between any two terminal devices in the collision domain. Calculate the round trip delay by multiplying the length of the cable (in meters) by the delay per meter (in bit-times (BT)), then take the sum of all cable delays plus station (DTE), repeater, and multi-port media converter port delays. If the result is less than or equal to 512 bit-times, the path is good.

In a half-duplex network, maximum cable lengths are determined by the round trip delay limitations of each Fast Ethernetcollision domain. (Switches and routers divide the network into separate Ethernet™ collision domains.) The 512-Bit Rule determines maximum distances by calculating the collision domain round-trip delay in bit-times.

30 meters TP

@1.11BT/meter

=33.3BT

 

 

 

 

 

Class I

 

 

 

 

 

 

 

Hub

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 meters TP

= 140BT

 

Switch

 

 

 

 

 

 

 

 

@ 1.11BT/meter

 

 

= 50BT

 

 

 

 

= 5.55BT

 

 

 

 

 

 

 

 

Class II

 

 

 

 

 

 

 

Hub

 

 

 

 

 

 

 

= 140BT

 

 

 

 

 

 

 

 

 

 

20 meters TP

Collision Domain

50.00BT

@ 1.11BT/meter

+22.20BT

= 22.2BT

+140.00BT

 

 

+5.55BT

 

+140.00BT

DTE=50BT

+33.30BT

+50.00BT

___________

= 441.05BT

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Milan Technology E-FX-HB-1600 Cable Specifications, Twisted Pair Cable and Connector Specifications, Fiber Cable

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