
Cisco 3725 routers do not report any power supply status.
#ETHERNET STATUS BOARD SOFTWARE#
Changes on the state of any of these four signals interrupts the main processor on the Cisco 3745 router so software can take the appropriate action.Ĭisco 3725 routers have a single -48-V supply.

#ETHERNET STATUS BOARD SERIES#
Restrictions for Cisco 3700 Series RoutersĬisco 3700 series routers contain internal -48-V power supplies to supply power to the Ethernet switch network module.įor the Cisco 3745 router, the following specifications apply: Note When using the NM-16ESW network module with the MWR 1941-DC router, shielded cables are required, and IP phone inline power is not supported. Each port can be independently configured for line power.

The Ethernet switch network module distributes the -48-V power to each of the Ethernet ports that are configured for line power.

To support Cisco 2600 series and Cisco 3600 series routers, which do not supply -48-V internal power, the network module has an external connector for connection to an external -48-V power supply. The Ethernet switch network module requires delivery of -48-V power to the network module in order to provide inline powering of IP telephones.Ĭisco 2800 series, Cisco 3700 series, and Cisco 3800 series routers supply -48 V power internally (with AC-IP power supplies) to the Ethernet switch service modules. This allows IP phones to be plugged into the standard RJ-45 jack and be powered from this source rather than having a separate plug into an AC wall outlet. The Ethernet switch network module supports inline powering of IP telephones with -48-V power. Without this configuration and connection, duplications will occur in the VLAN databases, and unexpected packet handling may occur. For information about intrachassis stacking configuration, see the 16- and 36-Port Ethernet Switch Module for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 series feature document. Intrachassis stacking for the the optional Gigabit Ethernet expansion board ports is configured.An Ethernet crossover cable is connected to the two Ethernet switch network modules using the optional Gigabit Ethernet expansion board ports.Both Ethernet switch network modules must have an optional Gigabit Ethernet expansion board installed.If two Ethernet switch network modules of any type are installed in the same chassis, the following configuration requirements must be met: Requirements for Installing Two Ethernet Switch Network Modules in a Single ChassisĪ maximum of two Ethernet switch network modules can be installed in a single chassis. The front panel of the 36-port card is shown in Figure 2.įigure 1 16-Port Ethernet Switch Network Module The front of the 16-port card is shown in Figure 1. The power module is connected to an external power supply using a power connection cable. The10/100BASE-TX ports and Gigabit Ethernet ports on the Ethernet switch network module are connected to the network using RJ-45 connectors on the front panel. An optional power module can also be added to provide inline power for IP telephones. The 36-port Ethernet switch network module requires a double-wide slot. The 36-port Ethernet switch network module has 36 10/100BASE-TX ports and 2 optional 10/100/1000BASE-T Gigabit Ethernet ports. The 16-port Ethernet switch network module has 16 10/100BASE-TX ports and an optional 10/100/1000BASE-T Gigabit Ethernet port. The Ethernet switch network module is a modular, high-density voice network module that provides Layer 2 switching across Ethernet ports.
#ETHERNET STATUS BOARD HOW TO#
This guide explains how to install the 16- and 36-port Ethernet switch network modules.

Obtaining Documentation, Obtaining Support, and Security Guidelines Ethernet Switch Network Modules.Adding an Optional Gigabit Ethernet Expansion Board.Connecting the Ethernet Switch Network Module to the Network.Requirements for Installing Two Ethernet Switch Network Modules in a Single Chassis.This guide describes how to connect Cisco Ethernet switch network modules to your network.
