Introduction
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The V2H124-24 includes two ports on the front panel for slide-in 100BASE-FX,
1000BASE-T, 1000BASE-T/SFP, or stacking modules. The stacking module allows
up to eight units to be linked together and managed from a master unit using one IP
address.
Network Management Options
With a comprehensive arrange of LEDs, the V2H124-24 switch provides “at a
glance” monitoring of network and port status. The switch can be managed over the
network with a web browser or Telnet application, or via a direct connection to the
console port. The switch includes a built-in network management agent that allows it
to be managed in-band using SNMP or RMON (Groups 1, 2, 3, 9) protocols. It also
has an RS-232 serial port (DB-9 connector) on the front panel for out-of-band
management. A PC may be connected to this port
for configuration and monitoring
out-of-band via a
null-modem serial cable. (See Appendix B for wiring options.)
For a detailed description of the advanced features, refer to the Configuration Guide.
Description of Hardware
10/100BASE-T Ports
The V2H124-24 switch base unit contains 24 10BASE-T/100BASE-TX RJ-45 ports.
All ports support automatic MDI/MDI-X operation, so you can use straight-through
cables for all network connections to PCs or servers, or to other switches or hubs.
(See “10/100BASE-TX Pin Assignments” on page B-1.)
Each of these ports support auto-negotiation, so the optimum transmission mode
(half or full duplex), and data rate (10, or 100 Mbps) can be selected automatically. If
a device connected to one of these ports does not support auto-negotiation, the
communication mode of that port can be configured manually.
Each port also supports IEEE 802.3x auto-negotiation of flow control, so the switch
can automatically prevent port buffers from becoming saturated.
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