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Cisco EtherSwitch Service Modules Feature Guide
Hardware Overview
Cisco EtherSwitch service modules are modules to which you can connect devices such as Cisco IP
phones, Cisco wireless access points, workstations, and other network devices such as servers, routers,
and switches.
Note
Cisco EtherSwitch service module models NME-16ES-1G and NME-X-23ES-1G do not support IP
phones.
The Cisco EtherSwitch service modules can be deployed as backbone switches, aggregating 10BASE-T,
100BASE-TX, and 1000BASE-T Ethernet traffic from other network devices.
You can manage the Cisco EtherSwitch service modules as a single switch unit or as a set of switches
forming a switching stack that acts as a single entity. The stacking ports on the Cisco StackWise
EtherSwitch NME-XD-24ES-1S-P service module are used to connect the switches or other Cisco
EtherSwitch service modules in a stack. If the Cisco EtherSwitch service modules are not connected
using Cisco StackWise ports, the Cisco EtherSwitch service modules are managed individually. For
information about which Cisco routers support the Cisco EtherSwitch service modules, see the
Network Modules Hardware Installation
Note
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The six types of Cisco EtherSwitch service modules are:
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You can install only one Cisco StackWise EtherSwitch NME-XD-24ES-1S-P service module in a
single router chassis.
You can install up to two Cisco EtherSwitch service modules in a single router chassis (in Cisco
3845, Cisco 3825, Cisco 2851, and Cisco 2821 routers) or up to four Cisco EtherSwitch
NME-16ES-1G-P service modules in the Cisco 3745 or Cisco 3845 routers.
Installing more than two Cisco EtherSwitch service modules in a router chassis requires specific
cabling. For information about cabling multiple Cisco EtherSwitch service modules, see the Cisco
Network Modules Hardware Installation Guide at the following URL:
http://www.cisco.com/en/US/products/hw/modules/ps2797/products_module_installation_guide_b
ook09186a00802d2910.html
NME-16ES-1G—Standard single-wide Cisco EtherSwitch service module with 16 10/100-Mbps
ports, and 1 10/100/1000 Gigabit Ethernet port.
NME-16ES-1G-P—Standard single-wide Cisco EtherSwitch service module with 16 10/100-Mbps
ports with Power over Ethernet (PoE), and 1 10/100/1000 Gigabit Ethernet port.
Note
The 10/100/1000 Gigabit Ethernet port on the 16-port Cisco EtherSwitch service module
does not support PoE.
NME-X-23ES-1G—Extended single-wide Cisco EtherSwitch service module with
23 10/100-Mbps ports and 1 10/100/1000 Gigabit Ethernet port.
NME-X-23ES-1G-P—Extended single-wide Cisco EtherSwitch service module with
23 10/100-Mbps PoE ports and 1 10/100/1000 Gigabit Ethernet port. All ports support PoE.
Information About the Cisco EtherSwitch Service Modules
Guide.
Cisco IOS Release 12.2(25)SEC
Cisco
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