Cisco ASR-920-12CZ-A Hardware Installation Manual page 17

Chapter 1 Cisco ASR 920 Series Aggregation Services Router Overview
Management ENET Port
A single management copper ENET port supporting 10/100/1000Base-T operation is provided on the
front panel. It uses a standard RJ-45 jack.
This is not a data plane port.
Note
This interface does not support 2.3.10 Synchronous Ethernet Clocking.
Note
RS232 Console Port
The RS232 console port provides transmission (Tx), reception (Rx), and ground (Gnd).
Note The RS232 console port is enabled only through the Cisco-designed cable adapter USB type A cable to
RJ-45 adapter cable. To use this port, disable the flow control on the terminal.
USB Console
A single USB 2.0 Type-A receptacle is provided on the front panel of the Cisco ASR 920 router for
providing console access to ROMMON, Cisco IOS-XE and diagnostics. While it uses the Type-A
connector, it operates as a USB peripheral only for connection to an external host computer. This
interface requires the use of a Type-A to Type-A connector instead of a standard USB cable.
Use of the USB console is mutually exclusive of the RS232 console port. This interface requires the use
Note
of a Type-A to Type-A USB cable.
USB Mass Storage
A single USB 2.0 Type-A receptacle is provided on the front panel of the Cisco ASR 920 router for
inserting external USB mass storage devices, such as standard USB flash drives. This interface is used
to load images, load or store configurations, write logs, and so on. It supports operation up to 12Mbps.
Maximum memory supported in ROMmon is 8GB and in Cisco IOS is 16GB.
Zero Touch Provisioning (ZTP) Button
The ZTP button on the front panel initiates the ZTP process on a short press of less than eight seconds.
Pressing the ZTP button for more than eight seconds causes a board reset.
For more information on ZTP, see Power and STAT LED section.
RS232 Auxiliary Console Port
The RS232 Aux console port provides transmission (Tx), reception (Rx), and ground (Gnd).
Note The RS232 Aux console port is enabled only through the Cisco-designed cable adapter from USB type
A cable to RJ-45 adapter cable.
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Cisco ASR 920 Series Aggregation Services Router Hardware Installation Guide
Cisco ASR 920 Router Features
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