Description
Serial control
This connection is for use by authorised specialist staff only!
NOTE
Standard:
Use: connect to PC, firmware update, external control
Figure 9: RS232 socket
The serial control takes place using a 9 pin
The pin assignment is as follows:
Pin | Function |
1 | N.C. |
2 | RxD |
3 | TxD |
4 | N.C. |
5 | GND |
6 | GND |
7 | N.C. |
8 | N.C. |
9 | N.C. |
Earth/Ground connection
Figure 10: Phoenix terminal
A phoenix terminal connects the case with the 0 V potential of the power supply.
Only bridge the 0 V potential with the grounding (factory setting) or connect it to the central system ground, as otherwise the phantom power has no reference point and will not function.
NOTE
46 | DMM 12BC |