C
P
ONNECTOR
EF BUS OUT
(Front View)
REMOTE CONTROL
REMOTE CONTROL
5
9
V
EF2280 Reference Manual
ORTEX
INOUTS
EF BUS IN
8
1
1
8
8
1
Cat 5 Plug
ASPI BUS
1
6
RS-232
EF Bus
The EF Bus uses RJ45 connectors. These should be
used with category five twisted-pair cable.
The total distance of the EF Bus should be less than
4 m.
The EF Bus must be connected so that the EF Bus In
of one box is connected to the EF Bus Out of
another. Connecting the EF Bus In to another EF
Bus In (or Out to Out) will not work.
Cat-5 Plug Pinout
1 - White/Orange
2 - Orange
3 - White/Green
4 - Blue
5 - White/Blue
6 - Green
7 - White/Brown
8 - Brown
ASPI Bus
The ASPI Bus uses RJ45 connectors. These should
be used with category five twisted-pair cable.
The total distance of the ASPI Bus should be less
than 15 m.
RS-232 Port (9600 8-N-1)
The RS-232 port is wired as DCE. It accepts a male
DB-9 connector. Only pins 2, 3, and 5 are required
®
by the EF2280
but pins 7 and 8 are supported.
Connect pins straight through (do not use null
modem).
1 DCD; 2 TXD; 3 RXD 4 DSR; 5 ground; 6 DTR; 7
CTS; 8 RTS; 9 No connection
48
Technical Support: 800.932.2774
C
P
ONNECTOR
INOUTS
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