Cisco RSP7000 Manuale di installazione e configurazione - Pagina 28

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Reference Information

Reference Information
Following is reference information for console and auxiliary port pinouts, replacing DRAM SIMMs,
configuring the software configuration register, recovering a lost password, and using the front-panel
PCMCIA slots for additional Flash memory.

Console Port Signals

The console port on the RSP7000 is an EIA/TIA-232, DCE, DB-25 receptacle. Both DSR and DCD
are active when the system is running. The RTS signal tracks the state of the CTS input. The console
port does not support modem control or hardware flow control. The console port requires a
straight-through EIA/TIA-232 cable. Table 2 lists the signals used on this port.
Table 2
Pin
1
2
3
6
7
8

Auxiliary Port Signals

The auxiliary port on the RSP7000 is an EIA/TIA-232 DTE, DB-25 plug to which you can attach a
CSU/DSU or other equipment in order to access the router from the network. Table 3 lists the
EIA/TIA-232 signals used on this port.
The asynchronous auxiliary port supports hardware flow control and modem control.
Table 3
Pin
2
3
4
5
6
7
8
20
28 7000 Series Route Switch Processor (RSP7000) Installation and Configuration in the Cisco 7000 Series Routers
Console Port Signals
Signal
Direction
GND
–
TxD
<—
RxD
—>
DSR
—>
GND
–
DCD
—>
Auxiliary Port Signals
Signal
Direction
TxD
—>
RxD
<—
RTS
—>
CTS
<—
DSR
<—
Signal Ground
–
CD
<—
DTR
—>
Description
Ground
Transmit Data
Receive Data
Data Set Ready (always on)
Ground
Data Carrier Detect (always on)
Description
Transmit Data
Receive Data
Request To Send (used for hardware flow control)
Clear To Send (used for hardware flow control)
Data Set Ready
Signal Ground
Carrier Detect (used for modem control)
Data Terminal Ready (used for modem control)