Tescom ML100EX User manual
EXTERNAL
UPS RS232 PORT
MULTIPLEXER
(
ML100EX
)
USER MANUAL
1. GENERAL
Usually UPS devices has 1 serial communication port at some applications two serial connections to UPS
needed at these case ,ML100 multiplexer unit duplicates the UPS RS232 port from 1 serial port to 2 serial
ports. So the connection from remote panel to UPS and connection from PC to UPS is possible at the same
time.
2. TECHNICAL SPECIFICATIONS
UPS port baud rate 2400 baud/ps (fix)
UPS port parity none
UPS port stop bit 1
UPS port handshaking none
COM1 port baud rate 2400 baud/ps (fix)
COM1 port parity none
COM1 port stop bit 1
COM1 port handshaking none
COM1–UPS port isolation none
COM2 port baud rate 2400 baud/ps (fix)
COM2 port parity none
COM2 port stop bit 1
COM2 port handshaking none
COM1–UPS port isolation Optically isolated
AC Operating voltage 170-250 volts AC / 50 Hz
3. THE FRONT PANEL
Figure-1
On the front panel of the unit there are 3 serial RS232 ports these are
UPS PORT Must be connected to UPS serial port
COM1 Port 1 can be connected to a PC, Remote panel, SNMP adaptor, MODBUS adaptor
COM2 Port 2 can be connected to a PC, Remote panel, SNMP adaptor, MODBUS adaptor
On each serial port socket 2 indicator lamps are located .These lamps shows the port status if port is
receiving data from any device or UPS the RED lamp lits ,if port is transmitting data to UPS or any device the
green lamp lits.
If there is no data flow all lamps will be flash with interval. So the user can understand that the power is OK at
the input of device.
4. CONNECTION TO OTHER DEVICES
Com1 and com2 ports are optically isolated this method prevents cross current flows over 2 device which
connected to ML100 com1 and com2 ports
COM1 and COM2 ports pin layout is same with all our UPS models(not standart RS232).
Any device (like PC,REMOTE PANEL,SNMP ADAPTOR,MODBUS ADAPTOR) which is connected to UPS
can be connect to ML100 com1 or com2 ports.
Com1 and com2 port pinouts are same with any UPS serial port (not with this device’s UPS port)
5. APPLICATION
The following figure shows the possible connections for ML100 . To com1 or com2 serial port only 1 device
can be connected. At the figure the possible options are showned.
Figure-2
6. COMPATIBILITY TO DIFFERENT UPS MODELS
ML100EX device supports all our UPS models there is no compatibility problem.
7. CONNECTOR PIN LAYOUT
The UPS port connector
This connector is a standart PC side RS232 connector . To connect UPS port to UPS device please use
CC05 cable.
COM1 port connector
Description cable
To connect com1 port to a PC CC05
To connect com1 port to a SNMP CC05
To connect com1 port to a Remote Panel
COM2 port connector”
Description cable
To connect com2 port to a PC CC05
To connect com2 port to a SNMP CC05
To connect com2 port to a Remote Panel
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