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3.7
Rear Panel
Located on the rear panel is the RS-232 DB-9 interface which is used for switch management
configuration.
RS-232 DB-9 Connector
3.8
Installation
Choose a surface for your switch that is clean, smooth and near a power outlet. Make sure that
there is enough clearance around the switch to allow attachment of cables, power cord and air
circulation.
1. Plug in the power cord into the switch.
2. Install the proper cable for network connection.
3. Plug the power cord into the power source.
3.9
Optional SFP Modules
The SFP modules are hot swappable, so you can plug or unplug the modules before and after
the switch is turned on. If you are installing the optional SFP fiber transceivers, follow these
guidelines:
1. Verify that the SFP module is the correct module and conforms to the chassis.
2. Slide the module along the slot.
3. Seat the module against the slot socket/connector.
4. Install the proper cable for network connection.
3.10
Power On
Once the switch is on, the bootloader loads the firmware into the memory. It will take about 30
seconds.
Once the firmware is loaded, the switch will flash all of the LEDs once and
automatically perform a self test.
3.11
Switch Topology
Theoretically, the switch partitions the collision domain for each port so you may link switches
without limitations. However, network extension (cascading levels & overall diameter) must
follow IEEE 802.3/802.3u/802.3z and other 802.1 series protocol specifications, in which the
limitations are the timing requirement from physical signals defined by 802.3 series specification
of Media Access Control (MAC) and PHY, and layer 2 protocols such as 802.1d, 802.1q, and
LACP.
Waters Network Systems
AC Line 100-240V 50/60 Hz
Figure 3.4 - Rear View of 2800M
2800M/MR User's Manual
Page 11
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