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S14 & PS14P (PoE) Convenient Switches Installation and User Guide (01/06)
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and Activity (LK/ACT) LEDs indicating traffic that are mounted on the top of the unit as
well as the end. LEDs mounted next to each port indicate (LK/ACT as LA1, LA2, LA3,
LA4), 10/100 (ON for 100Mbps), and full/half duplex (F/H is ON for full duplex).
The DC power plug connector or “jack” is in the right rear of the chassis. The
internal DC input terminal block is also provided on the rear side of the unit.
2.4 Frame Buffering and Latency
The Magnum S14-Series & PS14P(PoE) Switches are store-and-forward
switches. Each frame (or packet) is loaded into the Switch’s memory and inspected before
forwarding can occur. This technique ensures that all forwarded frames are of a valid
length and have the correct CRC, i.e., are good packets. This eliminates the propagation of
bad packets, enabling all of the available bandwidth to be used for valid information.