MX204 Management and Console Port Specifications
and Pinouts
IN THIS SECTION
RJ-45 Connector Pinouts for MX Series CB-RE or RCB Auxillary and Console Ports | 68
RJ-45 Connector Pinouts for an MX Series CB-RE or RCB Management Port | 69
RJ-45 Connector Pinouts for MX Series CB-RE or RCB Auxillary and Console
Ports
The ports–labeled—AUX and CONSOLE—on the Control Board and Routing Engine (CB-RE) or the Routing
and Control Board (RCB) are asynchronous serial interfaces that accept an RJ-45 connector. The ports
connect the Routing Engine to an auxiliary or console management device. Table 24 on page 68 describes
the RJ-45 connector pinout.
NOTE: In routers where the Routing Engine and Control Board (CB) are integrated into a single
board, a CB-RE is known as Routing and Control Board (RCB). The RCB is a single FRU that provides
Routing Engine and CB functionality.
Table 24: RJ-45 Connector Pinout for the AUX and CONSOLE Ports
DescriptionSignalPin
Request to SendRTS1
Data Terminal ReadyDTR2
Transmit DataTXD3
Signal GroundGround4
Signal GroundGround5
Receive DataRXD6
68
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