Specifications

10 S25P System Overview
Equipment
The following items are necessary to install the S25P system:
• The switch
• At least one grounded AC power source per S25P
• One AC cable is included to connect the AC power source to the S25P
(power cables are not supplied for the S25P-DC)
• Bracket ears for rack installation (supplied)
• Screws for rack installation (supplied) and #2 Phillips screwdriver (not supplied)
Other optional components are:
• Stacking cables for connecting S-Series switches in a stack
• Optical networking components (see Chapter 4, Installing Ports, on page 29)
• Stacking components (see Ports, below)
Features
• S25P CPU and switch processor
• 32MB internal Flash memory
•256MB RAM
• Stackable switch features
• 19-inch rack-mountable
• Standard 1U chassis height
• Six built-in fans
• Two internal AC power supplies acting in load-sharing mode
• Up to 16384 MAC address entries supported with hardware-assisted aging
• Supports 9252-byte jumbo frames in FTOS, 9216-byte jumbo frames in SFTOS
• Back-pressure support at half-duplex, IEEE 802.3x flow control at full duplex
• Extensive LED system with per-port LEDs
Ports
• 24 SFP ports capable of using 100/1000 Base-T or 1000 Base-X using auto-media detect
• Four shared RJ45 10/100/1000 Base-T ports
• Console port (see Accessing the Console Port on page 29): Supplied with console cable
(straight-through Ethernet copper cable) and terminal adapter (DB-9 to RJ-45)
• Two expansion slots that accept any combination of the following optional, high-capacity uplink
modules:
— 10GbE XFP (two ports)
— 10GbE CX4 (two ports)
— 12G Stacking (two ports)
— 24G Stacking (one port)
See Inserting Optional Modules (10-Gigabit or Stacking) on page 17 and Connecting Stack Ports
(optional) on page 25.