7 — ONT equipment layout
7-26 July 2008 Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06
ONT Product Information Manual Edition 01 3FE 51892 AAAA TCZZA
O-24121G-A and O-24120G-A connections and components
Figure 7-19 shows the physical connections on the O-24121G-A outdoor ONT.
Figure 7-19 Connectors on an O-24121G-A outdoor ONT
Table 7-15 describes the O-24121G-A and O-24120G-A outdoor ONT physical
connections.
Power and alarm
connector
A 7-pin Phoenix connector provides the 48 V input power and return for
the LP MDU ONT and the UPS alarms.
Separate power and alarm cables are required for class 1 wiring. When
wiring the LP MDU to a UPS, use a class 1 powering cable. In that case,
the combined power/alarm cable is only used for alarm wiring, not for
power wiring. A separate 16 AWG wire wrapped in a sleeve is required.
Auxiliary environmental
alarm connector
A 7-pin Phoenix connector provides up to three customer defined
environmental alarms for the LP MDU ONT.
Craft port connector The craft interface is a right angled RS-232 serial port that can be
accessed with a male DB-9 connector.
Fiber optic connector An SC/APC fiber optic connector terminates a fiber optic connection
from the P-OLT.
Ethernet port This connection is provided through Ethernet RJ-45. The RJ-45
connectors support 10/100BASE-T or 10/100/1000BASE-T Ethernet
connections.
Video coaxial connector This connection supports RF video on all of the LP MDU ONTs except for
the 3FE 51063 AB variant of the O-24121V-A and O-24120V-A outdoor
ONT.
Connector Description
(2 of 2)
POWER
BTRY
FAIL
VIDEO
DATA
NWK
MGMT
INTF
POTS
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
DATA9
DATA10
DATA11
DATA12
1911
Ethernet
port
Video coaxial
connector
Auxiliary
environmental
alarm
Power and
alarm connector
POTS connector Ports 7..12 Ports 1..6
Craft
port
10/100/1000 Base-T
Ethernet Connectors
Fiber optic
connector
Save
Data
button
1..6
GbE
GPON
CRAFT
VIDEO
POTS
POWER/ALARMS ENV ALARMS
ETHERNET
SAVE
DATA
7..12
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