Installation
61180105L1-5C
5
Installation
After
unpacking
the
unit,
inspect
it
for
damage.
If
damage
is
discovered,
file
a
claim
with
the
carrier,
then
contact
ADTRAN.
Refer
to
Warranty
and
Customer
Service.
Shipping Contents
The
contents
include
the
following
items:
• Total
Reach
DDS
‐
DP
•
Total
Access
1500
Total
Reach
DDS
‐
DP
Job
Aid
(P/N
61180105L1
‐
22)
Instructions for Installing the Module
The
TR
DDS
‐
DP
plugs
directly
into
a
Total
Access
1500
shelf.
No
special
wiring
is
required.
The
2
‐
wire
loop
uses
the
T/R
(Tip
and
Ring)
pair,
pins
15
and
35,
of
the
Total
Access
1500
backplane.
Remote Unit Span Power
The
TR
DDS
‐
DP
span
powers
the
remote
unit
by
providing
‐
130
VDC
measured
from
Tip
to
Ring.
Voltage
measured
from
Tip
to
GND
should
be
‐
130
VDC
or
less
depending
on
voltmeter
impedance.
Voltage
from
Ring
to
GND
should
indicate
approximately
0
V.
Front Panel LEDs
The
TR
DDS
‐
DP
provides
front
panel
LEDs
to
display
status
information.
The
TR
DDS
‐
DP
LEDs
and
status
descriptions
are
shown
in
Table 4. Front Panel LEDs
LED
Condition
Description
STATUS
{
z
2
z
z
2
Off
Green
Yellow
Flashing
Yellow
Red
Flashing
Red
No
power
or
malfunction
Normal
synchronized
operating
condition
Loopback
active
at
remote
unit
Loopback
active
at
DDS
‐
DP
Indicates
one
of
the
three
conditions:
1. Loss
of
sealing
current
2. Loss
of,
or
no
synchronization
3. Poor
signal
quality
when
QM
enabled
(SW1
‐
5
ON)
CRC
errors
near
or
far
REM
{
z
2
Off
Green
Flashing
Green
No
power
or
malfunction
Remote
provisioning
in
effect
DS
‐
6
control
link
established
