User Manual
Table Of Contents
- SECTION 1: Overview
- SECTION 2: Description
- SECTION 3: Host Unit Installation
- SECTION 4: Operation
- SECTION 5: Maintenance
- SECTION 6: General Information
- ABOUT THIS MANUAL
- RELATED PUBLICATIONS
- ADMONISHMENTS
- GENERAL SAFETY PRECAUTIONS
- STANDARDS CERTIFICATION
- LIST OF ACRONYMS AND ABBREVIATIONS
- SECTION 1: Overview
- SECTION 2: Description
- SECTION 3: Host Unit Installation
- 1 before starting installation
- 2 OSP Fiber Cable Installation Guidelines
- 3 WDM mounting procedure (optional accessory)
- 4 HU mounting procedure
- 5 Chassis ground connection
- 6 coaxial cable connections
- 7 optical connections
- 8 controller area network connections
- 9 service interface connection
- 10 external alarm system connections
- 11 dc power connections
- SECTION 4: Operation
- 1 before starting operation
- 2 turn-up system and verify operation
- 2.1 Turn-Up Procedure
- 2.2 Download HU and RU System Software
- 2.3 Determine Forward Path Input Signal Level
- 2.4 Enter Site Name and Site Number
- 2.5 Enter Host Forward Attenuation
- 2.6 Determine Output Signal Level at STM Antenna Port
- 2.7 Enter Remote Forward Attenuation
- 2.8 Enter Host Reverse Attenuation
- 2.9 Enter Host Forward and Reverse Delay
- SECTION 5: Maintenance
- SECTION 6: General Information
ADCP-75-126 • Issue B • April 2002 • Section 4: Operation
Page 4-11
©
2002,
ADC
Telecommunications,
Inc.
3. Right-click
on
the
HOST
Site
Number
(see
Figure 4-6).
The
Site
Number
pop-up
screen
will
open.
Enter
any
number
between
1
and
24
and
then
click
on
OK
to
close
the
screen
and
make
the
changes
take
effect.
4. Check
the
REMOTE
Site
Number
field
(see
Figure 4-6).
The
REMOTE
Site
Number
does
not
have
to
be
entered.
When
the
HOST
Site
Number
is
entered,
the
system
will
automatically
enter
the
same
number
for
the
REMOTE
Site
Number.
5. Right-click
on
the
REMOTE
Site
Name
field
(see
Figure 4-6).
The
Site
Name
pop-up
screen
will
open.
Enter
a
unique
name
for
the
REMOTE.
The
name
may
be
up
to
32
characters
long
and
must
not
contain
any
spaces.
The
name
may
include
numbers,
punctuation,
and
upper
or
lower
case
letters
and
must
always
begin
with
a
letter.
Click
on
OK
to
close
the
screen
and
make
the
changes
take
effect.
6. Open
the
Tools
menu
at
the
top
of
the
main
window
and
then
select
Refresh
Catalog
to
make
the
new
Host
and
Remote
site
names
appear
in
the
View
menu.
2.5 Enter Host Forward Attenuation
The
HU
internal
forward
path
attenuator
setting
determines
the
maximum
composite
output
signal
level
at
the
STM
antenna
port.
The
appropriate
attenuation
value
for
any
particular
system
is
based
on
the
number
of
channels
the
system
is
transporting
and
the
signal
level
of
the
composite
forward
path
input
signal
input
at
the
HU’s
FORWARD
RF
IN
port.
The
maximum
output
power
that
can
be
provided
by
the
system
is
43.5
dBm
(22.4
watts).
The
total
forward
path
gain
that
is
provided
by
the
system
(with
host
and
remote
forward
attenuators
set
to
0
dB)
is
83.5
dBm.
Use
the
following
procedure
to
set
the
forward
path
attenuation
to
provide
the
maximum
composite
output
signal
level:
1. Click
on
the
HOST
RF
tab.
The
HOST
RF
display
will
open
within
the
EMS
main
window
as
shown
in
Figure 4-8.
2. Right-click
on
the
Host
Fwd
Att
section
of
the
display
(see
Figure
4-8).
The
Host
Fwd
Att
pop-up
screen
will
open
as
shown
in
Figure 4-9.
3. Obtain
the
value
of
the
total
composite
input
signal
level
as
determined
in
step
10
of
Section
2.3.
4. Determine
the
appropriate
value
to
enter
for
the
Host
forward
path
attenuator
by
subtracting
the
required
system
output
level
(per
system
design
plan)
from
83.5
(the
total
system
gain)
and
then
adding
the
composite
input
signal
level.
The
result
(see
sample
calculation)
is
the
amount
of
attenuation
required.
Atten
Required
=
83.5
–
(Required
System
Output
Power)
+
(Composite
Input
Power)
5. Enter
the
attenuation
value
and
click
OK
to
close
the
pop-up
screen
and
to
make
the
changes
take
effect.