Each alarm input can be provisioned as critical, major, or minor.
Console
The RS232 console port, connected through RJ-45 jack at rear panel, provides transmission (Tx), reception
(Rx), and ground (Gnd).
USB Console
A single USB 2.0 and 3.0 Type-A receptacle on the front panel of the router provides console access to Cisco
IOS XR, and diagnostics. While it uses the Type-A connector, it operates as a USB peripheral only for
connection to an external host computer.
Use of the USB console is mutually exclusive of the RS232 console port. This interface requires the use of a
Type-A to Type-A USB cable.
Note
Online Insertion and Removal
The router supports the following Online Insertion and Removal (OIR) operations:
• When an QSFP-DD/QSFP28 is removed, there is no effect on traffic flowing on other ports.
• When an QSFP-DD/QSFP28 is installed, the system initializes that port for operation based on the current
configuration. If the inserted QSFP-DD/QSFP28 is incompatible with the current configuration of that
port, the port does not become operational until the configuration is updated.
• When both power supplies are installed and active, the load may be shared between them or a single
PSU supports the whole load. When a power supply is not working or the input cable is removed, the
remaining power supply takes the entire load without disruption.
Supported Transceiver Modules
For more information on the supported transceiver modules, see
Transceiver Module Group (TMG)
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Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
13
Cisco NCS 540 Large Density Routers Overview
Console
