17 |
P a ge
APPENDIX
1
Conditions
for
Donor
Alarm
(26
‐
pin)
This
functionality
applies
only
for
a
Donor
antenna
with
a
DC
short.
Alarm
monitors
the
connection
of
the
BDA
to
the
donor
antenna.
An
alarm
condition
will
occur
if
there
is
a
disconnect
at
the
donor
antenna.
Uplink
and
Downlink
amplifiers
will
shut
down.
Donor
Alarm,
Current
DL,
and
Current
UL
will
indicate.
Test for DC short between male pin and
outer shell of antenna connectors
Figure 7a
If
the
donor
antenna
does
not
short
please
connect
G
‐
Wave’s
special
Donor
Short
Simulator.
Please
note,
if
you
intend
to
use
other
components
(i.e.
Lightning
Protector)
between
the
base
port
and
donor
antenna
make
sure
they
have
an
open
short.
N
Type
Female/Female
Donor
Short
Simulator
N
Type
Male/Female
Donor
Short
Simulator
Figure
7b
Conditions
for
DC
Backup
Alarm
The
alarm
monitors
the
AC
power.
If
the
AC
power
fails
and
DC
is
connected,
the
DC
Alarm
LED
will
indicate
DC
power.
Conditions
for
Mobile
Alarm
*OPTIONAL
The
alarm
monitors
mobile
antenna
conditions
to
the
VSWR.
In
poor
conditions,
Mobile
Alarm
and
Current
UL
will
indicate.
