Motorola MotoWI4 PTP 600 Series - Manual (Page 157)

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Power Indoor Unit LED check chart:
Mode Green LED
Yellow LED No Ethernet
Cable Connected
Yellow LED
Ethernet Cable
Connected between
PIDU Plus and
NIC/Switch/Hub
No Power Applied Off Off Off
Power Applied On
Will flash once per second
regularly approximately 30
seconds after power
applied for 10 seconds then
will go out and stay out
Will flash once per
second regularly
approximately 30
seconds after power
applied for 10
seconds then operate
as Ethernet
Link/Activity LED
Valid Ethernet Link
and no traffic
On N/A
Will be on solid for a
valid link.
Valid Ethernet Link
with traffic
On N/A
Will be on solid, but
will blink randomly as
traffic passes through
Recovery Switch
Pressed and held
for >10 seconds
from power on
(Recovery is
pressed while
power is applied)
On
Off while switch pressed.
Approximately 30 seconds after releasing the
switch, flashes twice per second regularly for 10
seconds, then boots in “Recovery Mode”
While in “Recovery Mode” the unit will only be
accessible via the IP address 10.10.10.10.
10.1.3 Checking your wiring
If the above procedures fail to diagnose the issue you may have a wiring fault. Unplug the
RJ45 from the PIDU+ and check the following resistances at the RJ45:
1. Check the cable resistance between pins 1 & 2, 3 & 6, 4 & 5 and 7 & 8 at the RJ45.
Check against column 2 in Table 14.
2. Check the cable resistance between pins 1 & 3 at the RJ45. Check against column 3 in
Table 14.
3. Check the cable resistance between pins 4 & 7 at the RJ45. Check against column 4 in
Table 14.
4. Ensure that there is greater than 100K ohms between pins 1 & 8 for all cable lengths.