User's Manual

Replace an XS-240W-A or XS-250WX-A indoor ONT
76
7368 ISAM ONT XS-240W-A XS-250WX-A Product
Guide
Edition 01 Issue: 01
3 Power down the unit by using the on/off power switch; see Figure 25 for the on/off switch.
Figure 25 XS-240W-A and XS-250WX-A indoor ONT connections
Note that the 10 GE UNI port is only featured on the XS-250WX-A.
4 Disconnect the POTS, Ethernet, and power cables from the ONT; see Figure 25 for the
connector locations on the XS-240W-A and XS-250WX-A indoor ONT.
5 Unplug the fiber optic cable with UPC connector from the ONT; see Figure 25 for the location
of the fiber optic port.
6 Replace the ONT with a new unit:
a On a flat surface, such as a desk, substitute the new ONT for the old ONT on a flat
surface, horizontally resting it in its stand.
b On a wall.
i Remove the old ONT from the wall.
ii Attach the wall mount adapter bracket (shipped with the ONT) to the two wall
mounting key holes on the new ONT.
iii Attach the new ONT to the wall.
7 Connect the Ethernet cables directly to the RJ-45 ports; see Figure 25 for the location of the
RJ-45 ports.
8 Connect the POTS cables directly to the RJ-11 ports as per local practices; see Figure 25 for
the location of the RJ-11 ports.
The RJ-11 port to the left is labeled TEL1 for Line 1 while the port on the right is labeled TEL2
for Line 2.
Danger — Fiber cables transmit invisible laser light. To avoid eye
damage or blindness, never look directly into fibers, connectors, or
adapters.
26204
TEL1 TEL2 LAN1 LAN2 LAN3 LAN4 10GE POWER
UPS
ON/OFF
RESTORE
POTS
line 1 and 2
Ethernet
lines 1-4 10 GE
connection
Power supply
connection
Power
connection
On/off
button
Reset
button
R05.06.00 | March 2017 | 3FE 46861 AAAA TCZZA | Edition 01