Cisco DB25 male connector (74045801 Rev A0) modem
-----------------------------------------
RJ45 end DB25 end Color
-------- -------- -------
1  5  Blue
2  8  Orange
3  3  Black
4  7  Red/Green
5  7  Red/Green
6  2  Yellow
7  20  Brown
8  4  White
 

Cisco DB9 male connector (74-0495-01) terminal
-----------------------------------------
RJ45 end DB9 end  Color
-------- -------- -------
1  7  Blue
2  4  Orange
3  3  Black
4  5  Red/Green
5  5  Red/Green
6  2  Yellow
7  6  Brown
8  8  White
 

Pinout for APC 2200 UPS to 2511 using male DB9 connector:
1 Yellow
2 Black
9 Green
 

Note: set the terminal server to the following settings:
2400 baud
8,none, and 1
software flowcontrol on (XON/XOFF)
 
 

6500 Route switch module to 2511 pinouts
- Cabling from the laptop to the RSM is done using a flip cable (pin 1 to 8, 2 to 7...), Cisco db9 terminal connector and a Cisco db25 male connector (note using a Cisco db25 female connector with a gender changer does not work).

- Cabling from the RSM to the terminal server is done using a straight thru cable and a Cisco male db25 connector
(note using the Cisco female connector with a gender changer does not work.).

- Pinout Annex to Cisco RSM using a Cisco male DB25 and a straight through cable:  You have to turn off flow control on the terminal server.

2       Black
3       Red/Green
4       White
5       Blue
7       Yellow
8       Orange
20      Brown

- Cisco RSM Aux & Console port signals
 

Cabling from a WS-X5161 (Cat LANE card) diag port to 2511 use a flip cable
 
 
 
 

Pinout for Netscreen to Cisco 2511 using our DB9 connector

Male:
2 Yellow
3 Black
5 Green
 
 
 

Pinout for Extreme switch (48i) to Cisco 2511 using our female DB9 connector:
 

2 Yellow
3 Black
5 Green
 
 
 

Pinout for SCP ASX-HA to Cisco 2511 (need a male DB9) and a straight thru cable:

1 N/C
2 Yellow
3 Black
4 Orange
5 Red
6 Brown
7 Blue
8 Gray or White
9 N/C

Note:  use tape to cover the green lead.
Use a straight through cable when going from a 6500 to the 2511 no connector needed.
Use a flip cable when going from a 5000 to the 2511.  Note had to use Cisco 25 pin connector for
Cisco router and a straight through cable (example is at Peterson).
 
 

Pinout for Juniper M10 to 2511:
female
1 N/C
2 Yellow
3 Black
4 Orange
5 Red
6 Brown
7 Blue
8 Gray or White
9 N/C
 

Pinout for Cacheflow to Cisco 2511 using our DB9 connector:
female
2 Yellow
3 Black
5 Green
 
 

Pinout for Alteon to Cisco 2511 using our DB9 connector:
male
2 Black
3 Yellow
5 Green
 

Pinout for Packeteer to Cisco 2511 using our DB9 connector:
female
2 Yellow
3 Black
4 Orange
5 Green
6 Brown
7 Blue
8 White
 

Pinout for NatKit to Cisco 2511 using our DB9 connector:
female
2 Yellow
3 Black
4 Orange
5 Green
6 Brown
7 Blue
8 White
 
 

Pinout for Adtran shelf to Cisco 2511:
male DB25 (Cisco)
2  Yellow
3  Black
4  White
5  Blue
7  Red/Green
8  Orange
20 Brown
 

Pinout for Nokia to Cisco 2511:
Notr done yet!! - John Carpenter
 
 

Pinout for Cisco 2511:
Table  A-15: Asynchronous Breakout Cable Pinouts (8-Pin RJ-45) 8-Pin RJ-45  Signal  Direction
1  CTS  <--
2  DSR/DCD  <--
3  RXD  <--
4  GND  -
5  GND  -
6  TXD  -->
7  DTR  -->
8  RTS  -->

Marconi SCP-P5s to Cisco 2511 use a female db9:
 

1 N/C
2 Yellow
3 Black
4 Orange
5 Red
6 Brown
7 White or Gray
8 Blue
9 N/C

LS1010 docs say the following:

Use the proper null-modem or straight-through cable to connect a terminal

or modem to the console port on the ASP