Connecting The Usb Port - Cisco 1120 Hardware Installation


Signaling standard required by the device
These are the most common devices connected to the router serial ports:
Serial Devices
Devices such as RTU or
IED with serial
asynchronous interface
Note: No synchronous
serial protocol support
Connecting

You must provide or purchase separately the correct serial cable. The cable does not ship with the router. Contact
your Cisco reseller to purchase the correct cable from Cisco.

You can connect a device to this port while the router is operating normally.

The serial ports are labeled SER 1/1 and SER 1/2.
Related Information
For more information about this port, including supported standards and signaling, see
page 13.
Figure 4 Serial Ports (Item 1)
1 Serial ports

Connecting the USB Port

You can connect an optional USB device to the router USB port
USB device. You can also connect USB devices that are powered by an external source, such as an AC adapter or
batteries.
Network Options
CGR 1120 serial
interface can connect
through DB9 connector
devices with RS232 and
RS485 asynchronous
full-duplex or
half-duplex support
Network Protocols

IP over SLIP or PPP
asynchronous lines

Raw Socket and SCADA
protocol translation
(DNP3 to DNP3/IP and
IEC 60870-5-101 to
IEC 60870-5-104)
1
(Figure 5 on page
62
Network Topology
Point-to-Point
Router Hardware Description,
63), which will provide power to the