Olson Technology ISX-3040 - Manual (Page 5)

025-370494 REV X3 Page 5
OPTICAL CONNECTORS AND CLEANING
The standard optical connector provided with the IX40RPTX is an SC/APC with an 8° angle. No tools are required for connection
to/from this type of optical connector.
The fiber ends can be damaged by the insertion of contaminated connectors into a bulkhead or receptacle, or by the insertion of a
clean connector into a dirty bulkhead. Fiber connectors should never be left uncovered. Optical connectors should be cleaned
before usage. Prepackaged alcohol wipes are the most convenient way to insure clean optical connectors. Fresh, clean alcohol
and lint free wipes or swabs may also be used.
EXTERNAL TEST POINTS
The IX40RPTX has one external test point for optical power output calibrated at 1V/mW. It should be monitored with a high
impedance voltmeter. This test point is for long term monitoring purposes. The optical output power should be measured using
an optical power meter at the time of installation.
If the transmitter is equipped with a 2nd laser to be used in a redundancy configuration, then the supplied splitter board must be
installed, and the coax cable from the splitter board should be plugged into the ‘RF 2 In’ SMB connector on the top of the
IX40RPTX. The splitter board is installed into the ’TX Option’ port in place of the factory ‘Transmitter Configuration Module’
(Fig 3).
Figure 3 Figure 4
ALIGNMENT PROCEDURE
The IX40RPTX optical transmitter’s OMI has been optimized with an RF input level of +7.0dBmV per carrier (Six analog carriers)
maximum loading at the transmitters input. The ISX 3040 node has 8dB of loss between the ports and the optical transmitter input
when equipped with a 0dB reverse pad.
EXAMPLE: A reverse level of +18.0dBmV per carrier at the nodes ports will require a reverse pad of 3dB to get a +7.0dBmV level
at the transmitter.
+18.0dBmV node input minus the 3dB pad equals +15dBmV
+15dBmV minus 8dB node loss equals +7dBmV input level at the transmitter