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Preparing to Connect to a Network
The main difference between the console and auxiliary ports is that the auxiliary port supports hardware
flow control and the console port does not. Flow control paces the transmission of data, ensuring that the
receiving device can absorb the data sent to it before the sending device sends more. When the buffers
on the receiving device are full, a message is sent to the sending device to suspend transmission until the
data in the buffers has been processed.
Console Port Connection
The MGX-XF-UI and MGX-XF-UI/B include an EIA/TIA-232 asynchronous serial console port
(RJ-45). This port will appear as a DTE device at the end of the cable.
We do not provide console cables in the MGX-RPM-XF-512, MGX-XF-UI, or MGX-XF-UI/B kit.
Note
Console cables can be ordered as spares from Cisco Systems.
To connect an ASCII terminal to the console port, use the RJ-45 rollover cable with the female
RJ-45-to-DB-25 adapter (labeled "Terminal"). To connect a PC running terminal emulation software to
the console port, use the RJ-45 rollover cable with the female RJ-45-to-DB-9 adapter (labeled
"Terminal"). The default parameters for the console port are 9600 baud, 8 data bits, no parity, and 1 stop
bit.
The console port does not support hardware flow control. For detailed information about installing a
console terminal, see
port pinouts, see
Auxiliary Port Connections
The RPM-XF includes an EIA/TIA-232 asynchronous serial auxiliary port (RJ-45) that supports flow
control. This port will appear as a DTE device at the end of the cable.
Connecting a modem to the auxiliary port on the MGX-XF-UI or MGX-XF-UI/B is not supported.
Note
We do not provide console cables in the MGX-RPM-XF-512, MGX-XF-UI, or MGX-XF-UI/B kit.
Note
Console cables can be ordered as spares from Cisco Systems.
For detailed information about connecting devices to the auxiliary port, see
MGX RPM-XF Front and Back Cards."
Connector Specifications."
Cisco MGX Route Processor Module (RPM-XF) Installation and Configuration Guide
2-6
Chapter 3, "Installing the MGX RPM-XF Front and Back Cards."
Appendix B, "Cable and Connector Specifications."
For cable and port pinouts, see
Chapter 2
Preparing to Install the MGX RPM-XF
For cable and
Chapter 3, "Installing the
Appendix B, "Cable and
OL-13644-01
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