•
One grounding wire. Although we recommend at least #6 AWG multistrand copper wire, the wire
diameter and length depend on your router location and site environment.
These parts are not available from Cisco, but they are available from commercial vendors.Note
RSP and RP Port Connection Guidelines
This section contains detailed cabling and signal information for interface and port connections to the Route
System Processor (RSP) or Route Processor (RP) cards. It also provides information for Ethernet routing and
equipment.
The generic term RSP card refers to the RSP-440, RSP-440 Lite, RSP-880, RSP880-LT, RSP4-S, and
A99-RSP-TR/SE cards unless otherwise specified.
Note
Ports labeled Ethernet, SYNC, CONSOLE, and AUX are safety extra-low voltage (SELV) circuits. SELV
circuits should only be connected to other SELV circuits.
Caution
Console Port and Auxiliary Port Connection Guidelines
Each RSP/RP card has two EIA/TIA-232 (formerly RS232) serial RJ-45 connection ports:
• Console port—RJ-45 interface for connecting a data terminal device to the router, which you need to
perform the initial configuration of the router.
• Auxiliary port—RJ-45 interface for connecting a modem.
The console and auxiliary ports are asynchronous serial ports. Ensure that devices connected to these ports
are capable of asynchronous transmission.
Note
For the console and auxiliary port locations, see Route Processor Overview.
Console Port Signals
The console port is an RJ-45 interface for connecting a terminal to the router. The console port does not
support modem control or hardware flow control and requires a straight-through RJ-45 cable.
Before connecting a terminal to the console port, check the terminal setting for the data transmission rate, in
bits per second (bps). The terminal transmission rate setting must match the default rate of the console port,
which is 9600 bps. Set the terminal to these operational values: 9600 bps, 8 data bits, no parity, 2 stop bits
(9600 8N2).
This table lists the signals used on the console port.
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
57
Preparing for Installation
RSP and RP Port Connection Guidelines
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