2.3 OPERATION
When using the OSD2254EP for the first time, check that the unit is in good condition with no
visible damage.
Upon power up check that the indicators illuminate accordingly on power up (see Table 4).
2.3.1 CONNECTIONS
For RJ45 connection use Category 5 (CAT5) or higher. Length should be no more than 100
meters.
For singlemode fiber connections, fiber used must be 9/125μm singlemode fiber.
For multimode fiber connections, fiber used must be 50/125μm or 62/125μm multimode fiber.
Plug in the appropriate connectors for system configuration;
– RJ45 cable to fixed copper ports (port 1 and 2) and copper SFP modules
– LC or SC fiber cable to fiber SFP modules.
Redundant Ring Operation
The OSD2254EP connected in a redundant ring topology providing maximum reliability on
critical networks (up to 64 nodes per ring). In the event of device or fiber failure the data path
will automatically switch to a secondary path in less than 2ms per node to maintain ring
network integrity.
FIGURE 14: REDUNDANT RING CONFIGURATION
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