Rj-45 To Db-9 Serial Port Adapter Pinout Information - Juniper MX2020 Hardware Manual

Table 46 on page 158 provides the pinout information for the RJ-45 console connector.
NOTE: If your laptop or PC does not have a DB-9 male connector pin and you want to connect
your laptop or PC directly to a device, use a combination of the RJ-45 to DB-9 female adapter
and a USB to DB-9 male adapter. You must provide the USB to DB-9 male adapter.
Table 46: Console Port Connector Pinout Information
Pin Signal
1 RTS Output
2 DTR Output
3 TxD Output
4 Signal Ground
5 Signal Ground
6 RxD Input
7 CD Input
8 NC

RJ-45 to DB-9 Serial Port Adapter Pinout Information

The console port is an RS-232 serial interface that uses an RJ-45 connector to connect to a management
device such as a PC or a laptop. If your laptop or PC does not have a DB-9 male connector pin and you
want to connect your laptop or PC to the device, use a combination of the RJ-45 to DB-9 female adapter
along with a USB to DB-9 male adapter.
Table 47 on page 158 provides the pinout information for the RJ-45 to DB-9 serial port adapter.
Table 47: RJ-45 to DB-9 Serial Port Adapter Pinout Information
RJ-45 Pin Signal
1 RTS
Description
Request to send
Data terminal ready
Transmit data
Signal ground
Signal ground
Receive data
Data carrier detect
CTS Input
DB-9 Pin
8
Signal
CTS
158