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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
2 SITE CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . 4
3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Unpacking the LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . . .5
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
Powering the LANMaster T8 . . . . . . . . . . . . . . . . . . . . . . . .14
4 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Monitoring Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Monitoring Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fault Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Technical Support Contact . . . . . . . . . . . . . . . . . . . . . . . . .16
WARRANTY STATEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ETHERNET CABLE SPECIFICATIONS. . . . . . . . . . . . . . . . . . 19
LANMASTER T8 8-PORT HUB SPECIFICATIONS . . . . . . . 21
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ETHERNET CABLE SPECIFICATIONS
AUI Cable and Connector Specifications
The cable is a special 4-pair individually shielded with an overall braided
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.
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
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.
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