4. Commissioning
M0200AJA_ION-U_EU_L_17EP_17EP.docx
User’s Manual for ION
®
-U
Page 49
4.2.8. Control connector RS-232 LOCAL- Local Interface
These DB-9 female connectors are used for local access to this EU part and for
external modem communication between this EU and an ad
ditional “downstream” EU.
DB-9 Female
PIN
Assignment
1
Booster presence IN
2
RS232 Tx
3
RS232 Rx
4
n.c.
5
GND
6
n.c.
7
n.c.
8
Booster presence OUT
9
n.c.
figure 4-25 RS-232 connector
table 4-5 RS-232 connector, pin assignment
Connect the RS-232 cable (1.5m, contained in delivery of EU) from the LOCAL port of
this EU to the C
TRL port of the “downstream” EU.
4.2.9. Control connector RS-232 CTRL
These DB-9 male connectors are used for external modem communication between
this EU and an “upstream” RU or EU.
DB-9 Male
PIN
Assignment
1
Booster presence OUT
2
RS232 Rx
3
RS232 Tx
4
n.c.
5
GND
6
n.c.
7
n.c.
8
Booster presence IN
9
n.c.
figure 4-26 RS-232 connector
table 4-6 RS-232 connector, pin assignment
Connect the RS-232 cable (1.5m, contained in delivery of EU) from the CTRL port of
this EU to the LOC
AL port of the “upstream” RU or EU.
Summary of Contents for ION-U EU L 17EP/17EP
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