I'm wondering about some devices.
and can't get point of it.
I assume all the device below will connect to WS-4507R device,. but I dont
know why these are nessasary,
Could you explain it simply?
WS-X4515 (Core SW sup) <- what's mean of sup, when does this device use?
WS-X4548-GB-RJ45( Core SW Giga Inline for SVR) <- What is Inline and SVR mean? and is it kinds of cable?
CON-CSSPD-WS-C4507 <- When this device use?
WS-X4306-GB (Core SW Giga Uplink port)
<- What is purpose to use this device?