User's Manual
4. Commissioning
MF0200A5C_ION-U_L_7_80-85_17EP_19P.docx Manual for ION
®
-U Page 47
4.2.10. Pwr/Ctrl port
The Pwr/Ctrl port is used to handle an optional fan unit. The connector will provide
power to the fan unit and will allow the RU to control the fan speed. The connector is
a 7-pin Binder 712 series connector.
7-Pin Binder 712 Series
Pin Assignment
1 +V_FAN
2 Fan1 Alarm In
3 Fan1 (PWM) Out
4 GND_FAN
5 Fan2 Alarm In
6 Fan2 (PWM) Out
7 n.c
figure 4-26 Pwr/Ctrl connector table 4-7 Pwr/Ctrl connector
4.2.11. Control connector RS-232 - Local Interface
This DB-9 female connector is used for external modem communication between RU
and EU.
DB-9 Female
PIN
A
ssi
g
nment
1 Not connected (n.c.)
2 RS232 Rx
3 RS232 Tx
4 n.c.
5 GND (RS232)
6 n.c.
7 n.c.
8 n.c.
figure 4-27 RS-232 connector table 4-8 RS-232 connector, pin assignment
Connect the RS-232 cable (1.5 m, contained in delivery of EU) from the LOCAL port
of the RU to the CONTROL port of the EU.
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