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Introduction
iSR6250 Router Blades
SN0051103-00 A 1-13
A
The serial port connection requires a standard eight-wire Ethernet cable and the
supplied dongle to convert the Ethernet RJ45 connector to a female DB9
connector. Table 1-4 defines the serial port pins for both the router’s RJ45
connector and the dongle DB9 connector.
Table 1-4. Serial Port Pin Identification
Dongle DB9
Pin Number
Router RJ45
Pin Number
Description
1 5 Data carrier detect (DCD)
2 6 Receive data (RxD)
3 3 Transmit data (TxD)
4 2 & 7 Data terminal ready (DTR)
5 4 Signal ground (GND)
6 5 Data set ready (DSR)
7 1 Request to send (RTS)
8 8 Clear to send (CTS)
9 NC Ring indicator (RI)