1.Does this switch have 24 Ethernet connectors?
2. What does the "TL" mean?
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WS-C3850-48T-L
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Stackable 48 10/100/1000 Ethernet ports, with 350WAC power supply
1 RU, LAN Base feature set (StackPower cables need to be purchased separately)
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3.What does the +4SFP mean?
4 SFP
4.Does this switch have a patch panel installed which allow the connections with fiber optic cable plug?
No switch has patch pannel come with you need to arrange patch pannel as part of your comms room design.
if the device near by you can plug in directly to SFP port with Fibre patch lead. if going different building check the distance.
5. How many fiber connections total in this switch?
the model is base, you can check the modules you can buy 8 port or 4 or 2 so on.
read the product guide :
https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-3850-series-switches/datasheet_c78-720918.html
6.What kind of fiber to be used- multi-mode or single mode, 62.5 micro millimeter fiber?
you can use MM or SM depends on the distance, so based on MM or SM, buy proper optic SFP to meet the requirment.
https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/gigabit-ethernet-gbic-sfp-modules/datasheet-c78-366584.html
7. How about 4 LC? LC stands for fiber connectors or else?
check above URL
8. Can this switch which has 24 ethernet ports (RJ45 connectors) be able to communicate with Cisco Media Converter, then connecting to the Fiber-optic highway to the plant Distributed Control System (DCS, Westinghouse Ovation system).
base is 24 port ethernet switch.
9. What speed that the data can be transferred? 10 MB/s, 100 MB/S? If I use Ethernet port connection through Cat 5e cable?
reach the tech specs.
