Cisco C3230-1W-49-K9 Hardware Guide - Page 28

Fast Ethernet Port Cabling for the Cisco3250 and Cisco3230 Routers, Ports, Server, Workstation

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Chapter 1 Cisco 3200 Rugged Enclosures The Cisco 3230 Router Ethernet port signals are in compliance with IEEE 802.3. The interfaces support the following: • Autonegotiation and parallel detection MII interface with extended register capability for 10/100BASE-TX connections • Full-duplex and half-duplex modes • 3.3V operation low power consumption (300 mW typical) • Low-power sleep mode • 10BASE-T or 100BASE-TX using a single Ethernet connection • Robust baseline wander correction performance • Standard carrier signal multiple access collision detect (CSMA/CD) or full-duplex operation • Integrated programmable LED drivers Fast Ethernet Port Cabling for the Cisco 3250 and Cisco 3230 Routers Most Cisco 3200 Series router Ethernet ports support autodetection. If the device that the router is connected to also supports autodetection, the choice of a straight-through or crossover Ethernet cable does not matter. However, the Cisco 3250 router MARC FE0X port does not support autodetection. To connect a port marked MARC FE0X to a routing Ethernet port that does not support autodetection, use a straight-through Ethernet cable. To connect a MARC FE0X port to a hub, switch, a router hub, or switch port, use a crossover Ethernet cable. Table 1-1 shows the connections. Table 1-1 General Guidelines for MAR Fast Ethernet Port Cabling Ports Server, Workstation, or Personal Computer Ethernet Link Ports marked FE0X, FE1X, Straight-through cable and so forth Ports marked FE0, FE1, and Crossover cable so forth Hub, Switch, Uplink Router Ethernet Hub, or Switch Crossover cable Straight-through cable For example, a port marked FE0X requires a crossover Ethernet cable to establish the Ethernet link between a Cisco 3250 router and a hub. A port that does not support autodetection marked FE0 requires a straight-through Ethernet cable to establish the Ethernet link between a Cisco 3250 router and a hub. For additional information on cable pin assignments, see the "Cable Pinouts" chapter of the Cisco Content Services Switch Getting Started Guide at: http://www.cisco.com/en/US/products/hw/contnetw/ps789/products_installation_guide_chapter09186a 00805f718d.html 1-16 Cisco 3200 Series Router Hardware Reference OL-5816-10

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1-16
Cisco 3200 Series Router Hardware Reference
OL-5816-10
Chapter 1
Cisco 3200 Rugged Enclosures
The Cisco 3230 Router Ethernet port signals are in compliance with IEEE 802.3. The interfaces support
the following:
•
Autonegotiation and parallel detection MII interface with extended register capability for
10/100BASE-TX connections
•
Full-duplex and half-duplex modes
•
3.3V operation low power consumption (300 mW typical)
•
Low-power sleep mode
•
10BASE-T or 100BASE-TX using a single Ethernet connection
•
Robust baseline wander correction performance
•
Standard carrier signal multiple access collision detect (CSMA/CD) or full-duplex operation
•
Integrated programmable LED drivers
Fast Ethernet Port Cabling for the Cisco 3250 and Cisco 3230 Routers
Most Cisco 3200 Series router Ethernet ports support autodetection. If the device that the router is
connected to also supports autodetection, the choice of a straight-through or crossover Ethernet cable
does not matter. However, the Cisco 3250 router MARC FE0X port does not support autodetection.
To connect a port marked MARC FE0X to a routing Ethernet port that does not support autodetection,
use a straight-through Ethernet cable. To connect a MARC FE0X port to a hub, switch, a router hub, or
switch port, use a crossover Ethernet cable.
Table 1-1
shows the connections.
For exampl
e, a port marked FE0X requires a crossover Ethernet cable to establish the Ethernet link
between a Cisco 3250 router and a hub. A port that does not support autodetection marked FE0 requires
a straight-through Ethernet cable to establish the Ethernet link between a Cisco 3250 router and a hub.
For additional information on cable pin assignments, see the “Cable Pinouts” chapter of the
Cisco
Content Services Switch Getting Started Guide
at:
00805f718d.html
Table 1-1
General Guidelines for MAR Fast Ethernet Port Cabling
Ports
Server, Workstation, or Personal
Computer Ethernet Link
Hub, Switch, Uplink Router
Ethernet Hub, or Switch
Ports marked FE0X, FE1X,
and so forth
Straight-through cable
Crossover cable
Ports marked FE0, FE1, and
so forth
Crossover cable
Straight-through cable