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Cisco CGS 2520 Hardware Installation Guide
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Product Overview
The Cisco CGS 2520 switches, also referred to as the switch, are Ethernet switches that you can connect
devices such as Intelligent Electronic Devices (IEDs), distributed controllers, substation routers, Cisco
IP Phones, Cisco Wireless Access Points, and other network devices such as redundant substation
switches.
This chapter contains the following topics:
• Switch Models, page 1-1
• Cable Side, page 1-2
• Power Supply Side, page 1-11
• Management Options, page 1-13

Switch Models

Note The information in this document regarding China switches (part numbers ending with -C, for example,
PWR-RGD-AC-DC-C) are identical to the non-China switches, except where specified.
Table 1-1 Switch Models
Model Description
Cisco CGS-2520-24TC 24 10/100 FastEthernet ports, two dual-purpose ports
(two 10/100/1000BASE-T copper ports and two SFP1 module slots),
and two AC and DC power supply module slots.
Cisco CGS-2520-24TC-C (For China) 24 10/100 FastEthernet ports, two dual-purpose ports
(two 10/100/1000BASE-T copper ports and two SFP module slots),
and two AC and DC power supply module slots.
Cisco CGS-2520-16S-8PC 16 100BASE-FX SFP-module slots; eight 10/100 FastEthernet PoE2
ports, two dual-purpose ports (two 10/100/1000BASE-T copper
ports and two SFP module slots), and two AC and DC power supply
module slots.
Cisco CGS-2520-16S-8PC-C (For China) 16 100BASE-FX SFP-module slots; eight 10/100
FastEthernet PoE ports, two dual-purpose ports
(two 10/100/1000BASE-T copper ports and two SFP module slots),
and two AC and DC power supply module slots.