Avocent SuperSerial manual RS-232 Device Cabling, To ESP RJ-45 Port Pin # To Terminal / Printer

1.2 RS-232 Device Cabling

Figures 3 through 5 show the pin assignments required for an RS-232 cable connection between the ESP RJ-45 ports and your devices.

To ESP RJ-45 Port	Pin #		Pin #	To Terminal / Printer
Clear to Send	10		4	Request to Send
N/C	9
N/C	8
Signal Ground	7		7	Signal Ground
Transmit Data	6		3	Receive Data
Receive Data	5	.	2	Transmit Data
Data Carrier Detect	4		20	Data Terminal Ready
N/C	3		8	Data Carrier Detect
DataTerminal Ready	2		6	Data Set Ready
Request to Send	1		5	Clear to Send
			..... o o o o o o o . 1
			..... o
1			DB-25 (FEMALE)
..........			1
			............

RJ-45 (Plug)	DB-25 (MALE)
Cable End View	Cable End View

Figure 3. Cable Pin Assignments for ESP RJ-45 to Terminal/Printer

To ESP RJ-45 Port	Pin #		Pin #	To PC (DB-9)
Clear to Send	10		7	Request to Send
N/C	9
N/C	8
Signal Ground	7		5	Signal Ground
Transmit Data	6		2	Receive Data
Receive Data	5	.	3	Transmit Data
Data Carrier Detect	4		4	Data Terminal Ready
N/C	3		6	Data Set Ready
Data Terminal Ready	2		1	Data Carrier Detect
Request to Send	1		8	Clear to Send
1				o o o o o	1
..........
				o o o o
RJ-45 (Plug)				DB-9 (FEMALE)
Cable End View				Cable End View

Figure 4. Cable Pin Assignments for ESP RJ-45 to PC DB-9

To ESP RJ-45 Port	Pin #	Pin #	To Modem
Clear To Send	10	5	Clear to Send
N/C	9
N/C	8
Signal Ground	7	7	Signal Ground
Transmit Data	6	2	Transmit Data
Receive Data	5	3	Receive Data
Data Carrier Detect	4	8	Data Carrier Detect
N/C	3
Data Terminal Ready	2	20	Data Terminal Ready
Request to Send	1	4	Request to Send
.......... 1		1
		............
RJ-45 (Plug)			DB-25 (MALE)
Cable End View			Cable End View

Figure 5. Cable Pin Assignments for ESP RJ-45 to Modem DB-25

5Equinox ESP Multi-Interface Serial Hub Product Installation Guide