Mitsubishi Electric MN converter Operating Manual page 3

(2) In case for local connection (via USB)
Connecting PC installed with the Maintenance Tool to M-NET transmission line via MN Converter allows
conducting various monitoring and setting from the Maintenance Tool.
Maintenance
Tools PC
NOTE:
• To connect to the MN Converter via USB, the USB serial driver must be installed on the Maintenance Tools
PC. [Refer to 1.3.5.]
NOTE:
• You cannot connect to the MN Converter (CMS-MNG-E) via RS-232C and USB at the same time.
Doing so may result in malfunctions.
(3) In case for remote connection
Using a modem and remotely connecting PC installed with the Maintenance Tool to MN Converter via public
telephone circuit allow conducting various monitoring and setting as same in the case of local connection.
RS-232C
Maintenance
Tools PC
*For the remote connection utilizing MN Converter, an isolator is required to be inserted between
the modem and MN Converter.(except CMS-MNG-E)
For detail, please see Installation Manual-annexing of MN Converter (CMS-MNF-B).
RS-232C
Maintenance
Tools PC
NOTE:
• You cannot use the Maintenance Tools via RS-232C remote connection and via USB at the
same time. Doing so may result in malfunctions.
You can use the Maintenance Tools for error notification setting via USB when the Maintenance
Tools is not used via RS-232C remote connection.
(Used when connecting via MN converter CMS-MNG-E.)
M-NET
USB
MN Converter
(CMS-MNG-E)
MODEM
Public
network
MODEM
(CMS-MNG-E)
M-NET
RS-232C
Public
network
straight
MN Converter
MODEM
RS-232C
straight
MODEM
MN Converter
(CMS-MNG-E)
2
M-NET
USB
Maintenance
Tools PC