3
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Mounting
Keyhole (4
places)
Figure 4 - 4 Series
TM
Processor
To HomeWorks
®
Wired Maestro
®
controls
(H4P5-H48-120 and H4P5-H48-HRL-120
only)
into receptacle in bottom of HWI-LV24. The
4 Series
Processor has battery-backed memory and timeclock
devices. The battery provides power to these devices
during power outages and other temporary power
interruptions. In vacation homes and other residences
which are not continuously occupied, the
4 Series
processor
MUST
be powered by a circuit that is never
turned off even when the residence is unoccupied.
11.Turn power ON.
Restore the supply breaker to the ON
position.
12. Connect Serial Link.
Connect a standard DB9 male
connector to the Link 3 RS232 connector on the
processor for system programming or communications
with other equipment. A standard serial cable (not a null
modem) is required for programming the system via the
serial port using a laptop. If the processor is connected
to a modem, a null modem adapter is needed between
the processor and the attached modem.
13. Connect Ethernet Link.
Connect a standard RJ45
connector to the Link 9 Ethernet jack on the processor
for system programming or communications with other
equipment. A crossover cable is required for
programming the system via direct connection to a
laptop computer. If plugging into a network, a standard
cable is used (see Figure 4, below). The orange LED
(ACT) will illuminate when there are any Ethernet signals
being transmitted or received on Link 9. The green LED
(CON) will illuminate when the Link 9 is connected to a
hub/switch/router or a computer. For help configuring a
laptop to talk to the processor, see Help in the
HomeWorks Illumination
Software.
Dimmer
Hub
(H4P5-
H48-120
and H4P5-
H48-HRL-
120 only)
To additional
Dimmer Hubs
RS-232 Port
Ethernet Port
PIN
1
2
3
4
5
6
7
8
9
Name Description
DCD Data Carrier Detect
TXD Transmit Data
RXD Receive Data
DSR Data Set Ready
GND Ground
DTR Data Terminal Ready
CTS Clear To Send
RTS Request To Send
RI Ring Indicate
Pin Processor
1 Trve
2 Transmit -ve
3 Rve
4
No Connection
5
No Connection
6 Receive -ve
7
No Connection
8
No Connection
Ethernet Hub/Switch
Rve
Receive -ve
Trve
No Connection
No Connection
Transmit -ve
No Connection
No Connection
1
2
3
4 NC
5 NC
6
7 NC
8 NC
1
2
3
4
5
6
7
8
NC
NC
NC
NC
Crossover Cable
Configuration
A crossover cable is used when
connecting the processor to a
laptop or other non-hub device
(a/v systems, HVAC, etc.)
Processor
Label
Processor
Board
