Table 5: RSP/RP Console Port Signals
DescriptionInput/OutputSignalConsole Port Pin
———
1
Data Terminal ReadyOutputDTR2
Transmit dataOutputTxD3
Signal ground
—
GND4
Signal ground
—
GND5
Receive dataInputRxD6
Data Set ReadyInputDSR7
———
8
Auxiliary Port Signals
The Auxiliary (AUX) port is an RJ-45 interface for connecting a modem or other data communication equipment
(DCE) device (such as another router) to the RSP/RP. The AUX port supports hardware flow control and
modem control.
This table lists the signals used on the auxiliary port.
Table 6: RSP/RP AUX Port Signals
DescriptionInput/OutputSignalAUX Port Pin
Request to sendOutputRTS1
Data terminal readyOutputDTR2
Transmit dataOutputTxD3
Signal ground
—
GND4
Signal ground
—
GND5
Receive dataInputRxD6
Data set readyInputDSR7
Clear to sendInputCTS8
Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
58
Preparing for Installation
RSP and RP Port Connection Guidelines
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