ADTRAN 411, Quick Start

Page: 3 / 4

61287787F1-13A 3
3. Before installing the fiber, use an optical power meter to
measure the power level. The power level should not
exceed –8.0 dBm. Use an appropriate bi-directional optical
attenuator if the power levels are at or above –8.0 dBm. A
level between –8.0 dBm and –28.0 dBm is acceptable, but
levels between –12.0 dBm and –18.0 dBm are optimal.
4. Refer to the and connect the Incoming Fiber Connector.
Figure 4. Fiber Installed
g
NOTE
When the SC/APC fiber connection is not in use, replace the
Protective Cover. This will help keep the optical connection clean.
Step 5: Connect 12 VDC Power or UPS Power
Refer to Figure 1 and the following steps when connecting power.
The Micro ONT can be powered by either the 12 VDC connection,
or by using the UPS connection.
w
NOTICE
DO NOT connect both power sources as, this will damage the
Micro ONT.
12 VDC Connection
To power the Micro ONT using the 12 VDC connection, complete
the following steps:
1. Plug the supplied 12 V AC/DC Power Converter into the
PWR
connection.
2. Connect the power plug to a standard AC outlet. This
immediately turns the unit ON.
UPS Connection
To power the Micro ONT using an UPS, refer to Figure 5 and
complete the following steps:
1. If using the ADTRAN Cable Assembly (see Note below),
connect one end to the Molex Connector and the other to
the UPS. This immediately turns the unit ON.
Figure 5. Molex Connector
g
NOTE
ADTRAN offers a 24W UPS (P/N 1187731G3) and GPON Indoor
UPS Power Cable (P/N 1287402G1) for providing an UPS power
source.
Incoming
Fiber
UPS Power/Alarm Table
The following table indicates which pin is associated with each
alarm provided through a UPS connection.
LED S
TATUS
The LEDs are located beneath the plastic housing and are only
visible after power has been applied. The following table provides
the LED status during normal operations.

T
ROUBLESHOOTING
The following table provides troubleshooting tips.
Pin-Out Description Alarm
1 Power Input (+12 VDC) -
2 UPS Status - On Battery 1
3 UPS Status - Battery Missing 2
4 Signal Return -
5 Power 12 V Return -
6 UPS Status - Replace Battery 3
7 UPS Status - Low Battery 4
8 No Connection -
Label Status Indication
POWER


Off
Green ONT power is Off
ONT power On
FIBER 

2
Off
Green
Green Flashing
Fast ONT is not active (not Ranged)
ONT is active (Ranged)
ONT is activating (Ranging in
progress)
LAN


2
Off
Green

Green Flashing
Fast
LAN Port is not connected
LAN Port is connected, but
data is not being transmitted
LAN Port is connected, and
data is being transmitted
VOICE


2
Off

Green
Green Flashing
Slow
Unequipped or on-hook and
not ringing
Off-hook
On-hook with line in ringing
state
Problem Possible Solution
The LAN LED is

flashing red
■
Use an optical power meter to check
the receiving power to see if it between
–28 dbm and –8 dbm.
■
Reset the ONT using the Reset button.
If the ONT fails again, replace the ONT
with another unit.
The FIBER LED is off
when the Ethernet cable
is connected Check the FIBER connection, or check to
see if the Ethernet service is disabled. Con-
tact the Central Office for verification.