Contemporary-control-systems EXP Expansion Modules User Manual Manuel d'utilisateur télécharger pdf (Page 6)

There are several LED indicators that assist in troubleshooting

the network. One LED indicator informs if the network has

undergone a reconfiguration. Another indicator senses if the hub

is properly generating internal hub signals. There are separate

LEDs that monitor the two internal power supplies.

1.2 Benefits

• Compatible with the baseband ARCNET network

• Compatible with all Contemporary Controls’ (CC) network

interface modules (NIMs)

• Supports up to 48 ports in four-port increments

• Two sizes of enclosures: 16 and 48 ports

• Offers easy expansion with plug-in modules

• Mixes coaxial, twisted-pair and glass fiber optic cable

in one hub

• Isolates network faults with diagnostic LEDs

• LED indicator identifies reconfiguration of the network

• Minimizes hub jitter with precision delay line timing

• Activity LEDs for each port

• Provision for rack mounting

• Watch-dog timer prevents hub lockup

• Hub unlatch delay digitally controlled

1.3 Specifications

Mechanical

See diagrams on page 3.

TD401600-0MO

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Contemporary-control-systems EXP Expansion Modules User Manual Manuel d'utilisateur Page 6