Milan e-tbt-hb-0402 仕様ガイド

The 0402 Ethernet Pocket Hub  . . . . . . . . . . . . . . . . . . . . . . .1

0403 Pocket Hub Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Networking the 0402 Pocket Hub  . . . . . . . . . . . . . . . . . . . . . . .2

0402 Ethernet Pocket Hub Connectors  . . . . . . . . . . . . . . . . .3

RJ-45 Connectors  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Power Supply Adapter Connector  . . . . . . . . . . . . . . . . . . . . . . .3

0402 Ethernet Pocket Hub Status Indicators . . . . . . . . . . . . . .4

Power LED  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Link/Transmit LED  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Ensuring Compliance with Ethernet 802.3  . . . . . . . . . . . . . . .6

Segment Number  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Ensuring Correct 10BaseT Configuration  . . . . . . . . . . . . . . . .7

Straight Through/Crossover Cable Orientation . . . . . . . . . . . . . .7
Straight Through/Crossover Pin Specifications  . . . . . . . . . . . . . .8

Unpacking 0402 Pocket Hub  . . . . . . . . . . . . . . . . . . . . . . . .9
Connecting 10BaseT Cable  . . . . . . . . . . . . . . . . . . . . . . . . .10
Connecting Power to 0402 Pocket Hub  . . . . . . . . . . . . . . . .10

Monitoring Power LED  . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Monitoring Link/Transmit LEDs  . . . . . . . . . . . . . . . . . . . . . .11

Fault Isolation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Technical Support Contact  . . . . . . . . . . . . . . . . . . . . . . . . .12

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i

15

The cable is a special 4-pair individually shielded with an overall braided
shield. 

50 meters (165 feet)

AUI Port:

Male DB-15 with locking posts.

AUI Connection:

Cable shell must be grounded.  

Connector Legend:  1 Logic Ref.

6 Power Return 11 Logic Ref

2 Collision+

7 N/C

12 Receive

3 Transmit+

8 Logic Ref.

13 Power

4 Logic Ref.

9 Collision--

14 Logic Ref.

5 Receive+

10 Transmit-

15 N/C

The physical characteristics of the 10BaseFL cable must meet or exceed IEEE
802.3 10BaseFL specifications. 

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

Fiber Optic Transmitter Power:

Average power: -15.0 dBm

Peak power: -12.0 dBm ±1dBm

Fiber Optic Receiver Sensitivity:

Average sensitivity: -27.4 dBm

Bit error rate:

≤

10

-10

2000 meters (6500 feet)

ST type connectors (SMA type available upon request) 

The physical characteristics of the 10Base5 cable must meet or exceed IEEE 802.3
10Base5 specifications. 

Cable type:

RG8 Solid Coaxial (ThickNet)

Impedance: 50 

Ω

@ 10 MHz 

Capacitance:

26pF/ft

500 meters (1650 feet)

Maximum number network connections:

100

2.5 meters (8.2 feet)

Maximum number of terminal devices on Ethernet network:

1024