User's Guide
1 8 3 . I n sta lla t ion
© 2 0 0 7 M ose ley, I nc. All Rights Re ser ve d. 6 0 2 - 1 4 8 8 6 - 0 1 , Rev. A
3 .7 .1 .3 I nst alling in a Rack
To m aint ain good airflow and cooling, it is preferred t hat t he Event- HD Software Defined
I DU™ is inst alled in a slot t hat has blank spaces above and below the unit .
To rack- m ount the SDI DU
TM
, use the supplied m ount ing bracket s ( Moseley part num ber
2734001- 0001) t o secure t he chassis t o the rack cabinet . As shown in Figure 3-8, the
brackets can be att ached at any of four points on t he sides of the enclosure – back, back,
m iddle facing front , and m iddle facing back. This flexibility ensures com pat ibilit y with
m ost rack m ounting arrangem ent s.
Width:
17 inches
43.13 cm
Depth:
9.5 inches
24.1 cm
Height:
1.75 inches
4.45 cm
Figure 3 - 8 . Soft w are Defined I DU™ D im e nsions
3 .7 .2 I nst a lling the Event - H D ODU
The Event -HD ODU is intended for m ounting on either a pole or antenna m ast within
close proxim it y to the antenna.
Each site m ust be assessed for the m ounting m ethod, locat ion, and height. After defining
the m ounting locat ion and height for t he Event -HD, re-confirm t he line of sight.
Not e: When operat ing a 1+ 1 configured Event - HD, i.e. an SDI DU™ wit h t wo power
supplies and t wo m odem m odules installed, an ODU m ust be connect ed to the m odem in
t he bottom slot . I f the ODU is connect ed t o the m odem in the t op slot , t he SDI DU™ w ill
not com m unicate with the ODU, and a link cannot be est ablished.
For proper support t he antenna m ast or m ounting pole m ust be m ounted in a vert ical
position (i.e., no t ilt ) , preferably with a plum .
I f the ODU utilizes an internal antenna, such as t he ODU5300 and ODU5800 with
internal antenna option, vert ical t ilt of the ODU is accom plished from t he tilt
m ount ing bracket . Also, it is im port ant t o note t he direct ion in which t he ODU will
point when inst alling the m ounting pole.
The ant enna m ast or m ount ing pole m ust be grounded. Different ODUs m ay require
different m ounting hardware and techniques. The next sections describe m ounting
techniques for various ODU families.