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EtherHub 1500 System User’s Guide
Hardware Installation 3-5
Connecting the Hub System
1. Plug one end of the FlexBus 1500 cable (provided) in the
BUS OUT port of the top hub and the other end to the BUS
IN port of the next hub. Repeat this step for each hub in the
stack. The top hub should only have one FlexBus 1500 port
in use (BUS OUT). Refer to the
FlexBus 1500 section in
Chapter 2 for related information.
F
Hubs in a stack can only be managed by the network management
agent through the FlexBus 1500 connection. In a stacked system, we
therefore recommend that you use the FlexBus 1500 ports to make BUS
OUT to BUS IN connections with a network management agent
(EtherHub-16mi
+
) or any EtherHub 1500 series hubs.
You can also cascade hubs using the daisy-chain port (Port 16).
However, Hubs cascaded using the daisy-chain port cannot be managed
by the management agent. See
Step 2
for details.
2. Cascade hubs using the daisy-chain port (Port 16). RJ-45
port 16 can be converted into a daisy-chain port using the
daisy-chain switch. To daisy chain, slide the daisy-chain
switch to the right (
), and plug one end of an STP or UTP
cable to Port 16 and the other end to any RJ-45 port of a
compatible hub. (However, you must not plug both ends to a
daisy-chain port.) Using this type of connection, you can
cascade up to 4 hubs.
I
Do not plug in a phone jack connector to the RJ-45 port. This may
damage the hub. Instead, use only shielded or unshielded twisted-
pair cables with RJ-45 connectors that conform with FCC standards.