MMJ connector:
| Pin on MMJ Pin 1 is on the extreme left (when looking at the socket) |
Signal | 9-pin Serial Connector on a PC |
| 1 | DTR | 4 |
| 2 | TX+ | 2 (RXD) |
| 3 | TX- | 5(GND) |
| 4 | RX- | 5(GND) |
| 5 | RX+ | 3(TXD) |
| 6 | DSR | 6 |
9-pin D Connector
| 9-pin Connector on VAX | Signal | 9-pin Serial Connector on a PC |
| 1 | GND | 5 |
| 2 | RXD | 2 |
| 3 | TXD | 3 |
| 4 | ||
| 5 | DSR | 6 |
| 6 | DTR | 4 |
| 7 | GND | 5 |
| 8 | ||
| 9 |
Settings using Hyperterminal :
a. 9600 bps, 8 bit, no parity, XON/XOFF - Works for MV3300, MVIII
b. 9600 bps, 8 bit, no parity, No flow control - MicroVAX 3100-40
b. 9600 bps, 8 bit, no parity, Hardware control - VAXstation 4000-90
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