This cable is used to attach a modem on a port
___________________________________________________________________
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |
| | 1 2 3 4 5 7 8 9 10 11 12 13 14 15 |
|___|_______________________________________________________________|
|
NM| _______
|______| Modem |_______ Telephone line to remote site
|_______|
Cable Ran End _____________________________________
| | | |
______ |Ran End| Cabling Options |Device |
______| |_______ | RJ-45 | 4Pin 6Pin 10pin |DB-25 |
|______|______|_______| |_______|_____________________|_______|
| | | RI 1 | 1 -----|22 RI |
|_|_|_|_|_|_|_|_|_|_|_| | DSR*2 | 2 -----| 6 DSR |
10pin. 1 2 3 4 5 6 7 8 9 10 | RTS 3 | 1 --- 3 -----| 4 RTS |
8pin... 1 2 3 4 5 6 7 8 | GND 4 |- 1 --- 2 --- 4 -----|Sh GND |
6pin..... 1 2 3 4 5 6 | TD 5 |- 2 --- 3 --- 5 -----| 2 TD |
4pin....... 1 2 3 4 | RD 6 |- 3 --- 4 --- 6 -----| 3 RD |
| SG 7 |- 4 --- 5 --- 7 -----| 7 SG |
| CTS 8 | 6 --- 8 -----| 5 CTS |
| DTR 9 | 9 -----|20 DTR |
1 13 | DCD*10| 10------| 8 DCD*|
_|__ Cable Device End____|_ |_______|_____________________|_______|
| . . . . . . . . . . . . . | * Signals DCD and DSR may be "swapped"
\ . . . . . . . . . . . . / by software control for 10-Pin.
\|_____________________|/
| Male DB-25 |
14 25
NOTE: This cable is not interchangeable with the 64-port RJ45 to DB25 Cable-P
_____________________
| | | |
|Ran End| |Device |
| RJ-45 |8-pin|DB-25 |
|_______|_____|_______|
| | | |
| DSR*1 | --- | 8 DCD |
| RTS 2 | --- | 4 RTS |
| GND 3 | --- |Sh GND |
| TD 4 | --- | 2 TD |
| RD 5 | --- | 3 RD |
| SG 6 | --- | 7 SG |
| CTS 7 | --- | 5 CTS |
| DTR 8 | --- |20 DTR |
|_______|_____|_______|
* Signals DCD and DSR may be "swapped"
by software control for 10-Pin.