DECserver
Note: DECserver uses an RS423 interface using DEC MMJ connector. Pin 4 only needed for "long" cable run.
Not using pin 4 makes cable construction much easier!
DECserver to DCB muxes cable - Thanks to Jeff Lane, Digital Data Solutions Inc.
| DECserver
MMJ | Direction | SR RJ45 | SPL DB25S | Signal |
| 1 | ===> | 8 | 4 | RTS |
| 2 | ===> | 6 | 2 | TxD |
| 3 | ==== | 4 | 7 | SGND |
| 4 {optional} | ==== | 4 | 7 | SGND |
| 5 | <=== | 5 | 3 | RxD |
| 6 | <=== | 2 | 8 | DCD |