Milan e-tbt-hb-0804 ユーザーズマニュアル
LANMaster™ T8
8-Port Ethernet™ Repeater Hub
Table of Contents
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 1
The LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Networking the LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . .2
Connectors, Switch, Indicators, . . . . . . . . . . . . . . . . . . . . . .3
Networking the LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . .2
Connectors, Switch, Indicators, . . . . . . . . . . . . . . . . . . . . . .3
2 SITE CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . 4
3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Unpacking the LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . . .5
Installing LANMaster T8 at Site . . . . . . . . . . . . . . . . . . . . . . .6
Installing Network Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Installing LANMaster T8 at Site . . . . . . . . . . . . . . . . . . . . . . .6
Installing Network Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
10BASE-T Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
10BASE-2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
10BASE-5 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
10-Mb/s Network Configuration Guidelines . . . . . . . . . . . . . . .9
Installing Twisted-Pair 10BASE-T Cable . . . . . . . . . . . . . . . . . .11
Installing Thinnet 10BASE-2 Cable . . . . . . . . . . . . . . . . . . . . .12
Installing Thicknet 10BASE-5 Cable . . . . . . . . . . . . . . . . . . . .13
10BASE-2 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
10BASE-5 Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
10-Mb/s Network Configuration Guidelines . . . . . . . . . . . . . . .9
Installing Twisted-Pair 10BASE-T Cable . . . . . . . . . . . . . . . . . .11
Installing Thinnet 10BASE-2 Cable . . . . . . . . . . . . . . . . . . . . .12
Installing Thicknet 10BASE-5 Cable . . . . . . . . . . . . . . . . . . . .13
Powering the LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . . .14
4 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Monitoring Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Monitoring Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Monitoring Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Technical Support Contact . . . . . . . . . . . . . . . . . . . . . . . . .16
Technical Support Contact . . . . . . . . . . . . . . . . . . . . . . . . .16
WARRANTY STATEMENT
. . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ETHERNET CABLE SPECIFICATIONS
. . . . . . . . . . . . . . . . . . 19
LANMASTER T8 8-PORT HUB SPECIFICATIONS
. . . . . . . 21
i
19
ETHERNET CABLE SPECIFICATIONS
AUI Cable and Connector Specifications
The cable is a special 4-pair individually shielded with an overall braided
shield.
shield.
Maximum AUI Cable Length:
50 meters (165 feet)
AUI Connector Characteristics:
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
10BaseFL Cable and Connector Specifications
The physical characteristics of the 10BaseFL cable must meet or exceed IEEE
802.3 10BaseFL specifications.
802.3 10BaseFL specifications.
10BaseFL Cable Characteristics:
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
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
Maximum Cable Length:
2000 meters (6500 feet)
10BaseFL Connector Characteristics:
ST type connectors (SMA type available upon request)
10BASE-5 Cable and Connector Specifications
The physical characteristics of the 10BASE-5 cable must meet or exceed IEEE
802.3 10BASE-5 specifications.
802.3 10BASE-5 specifications.
10BASE-5 Cable Characteristics:
Cable type:
RG8 Solid Coaxial (ThickNet)
Impedance: 50
Ω
@ 10 MHz
Capacitance:
26pF/ft
Maximum Cable Length:
500 meters (1650 feet)
Maximum number network connections:
100
Minimum distance between connections:
2.5 meters (8.2 feet)
Terminate 10BASE-5 cable at one end using a 50 ohm terminator and at the
other end using a 50 ohm terminator grounded to earth ground.
Maximum number of terminal devices on Ethernet network:
1024