7.0 Optical Power Meter (OPM) Test Mode
OPM Summary Screen
The MTTplus-420 starts up on the OPM Home menu. Refer to the
MTTplus Platform manual
for information on home screen test icons and
menus common to all MTTplus modules. The OPM Home menu is described below.
A. LED Indicators
On screen LEDs indicate the status of upstream (
Up
) and downstream (
Dn
) signal and alarm/error traffic detection. Refer to
LED Status
for
more information.
B. Status Icon
The RUN icon indicates a test is running.
The RUN icon indicates a test is running.
C. GPON Diagram
Network diagram of the GPON network. Connect the MTTplus-420 between the splitter and ONT/ONU.
Do NOT
connect the MTTplus-420 between the OLT and splitter.
The MTTplus-420 should be connected between the splitter and ONT.
D. OLT and ONT/ONU Messages and Measurements
OLT Information Table
Below the OLT and splitter diagram block, a table displays the transmitting signal level (TX), PON ID, PON Type, and PON Budget Classification
(Budget). This is decoded from downstream PLOAM messages from the OLT. This information is only available when sent by the OLT and may
MTTplus-420_User_Manual_RevC00
Page 33 of 75
