Connections - Panasonic WJ-HDE300 Instructions Manual

■ Connections

You can connect up to seven extension units with the digital
disk recorder (the WJ-HD300 series) as shown below using
the supplied serial cables.
Important
• If turning off the power of a unit, none of the con-
nected following units will work because of inter-
rupted data transmission.
• Never use extension cables (locally procured). Be
sure to use the supplied serial cables for connec-
tion. Do not lay cables in a redundant route.
Otherwise, it may cause data transmission error.
• Make a space of 1 U (44 mm) between the units in
a rack for ventilation.
• Follow the
Otherwise, it may cause malfunction of the system.
• Physical connections determine the unit number in
a system for each unit. Connect units with the
recorder in numeric order as shown in the figure.
For example, connect the sixth and seventh units to
the third unit when five units have been already
installed.
• Do not change connections after the system has
run. Otherwise, the recorder will no longer recog-
nize the extension units as before. You can change
connections only when you can discard all existing
data stored in the units.
● Recommended Connection Form
Layer1
Layer2
Layer3
Layer4
14
recommended connection
WJ-HD300 Series
EXT STORAGE
IN
WJ-HDE300 #1
OUT2
OUT1
IN
WJ-HDE300 #2
OUT2
OUT1
IN
WJ-HDE300 #4
form.
WJ-HDE300 #3
OUT2
IN IN
WJ-HDE300 #5 WJ-HDE300 #6
IN
OUT1
IN
WJ-HDE300 #7