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3. Clean the patch cord connector (follow patch cord supplier's recommendations).
Note: To protect the optical receivers, insert a 15 dB attenuator in each optical path. After
the optical power has been measured, the attenuator may be resized or removed.
4. Insert the connector into one of the WDM module's optical port (port 1).
5. Route the patch cord from the WDM to the fiber distribution panel.
6. Identify the OSP cable optical fiber termination that corresponds to the RU.
7. Remove the dust cap from the OSP cable optical adapter and from the patch cord
connector.
8. Clean the patch cord connector (follow patch cord supplier's recommendations) and then
mate the connector with the appropriate OSP cable adapter.
9. Store any excess patch cord slack at the fiber distribution panel.
10. Remove the dust caps from the HU optical ports and from the WDM pigtails that will be
connected to the HU.
11. Clean each pigtail connector (follow the procedures provided with the WDM module) and
then insert the connector into the appropriate optical port on the HU as shown in
and as diagramed in
Note: The HU optical adapters are angled to the left. Therefore, pigtails should always be
routed to the HU from the left side of the rack. Routing pigtails to the HU from the right
side of the rack may exceed the bend radius limitations for the optical fiber.
PORT
FORWARD
PATH
WDM
PIGTAILS
WAVELENGTH
DIVISION
MULTIPLEXER
1
BI-DIRECTIONAL
FIBER LINK WITH
REMOTE UNIT
Figure 15. Fiber Optic Connections To WDM Module
12. If the HU supports diversity, follow steps 2–5 in Section 4.8.1 for routing and connecting
the diversity reverse path link.
Figure
15.
HOST UNIT
PORT
PORT
1
2
3
REVERSE
DIVERSITY
PATH
REVERSE PATH
(IF SUPPORTED)
2
3
ADCP-75-169 • Issue 1 • June 2004
FIBER DISTRIBUTION
PANEL
X
FROM STM
TO/FROM REMOTE
X
WDM MODULE
© 2004, ADC Telecommunications, Inc.
Figure 14
19718-A
Page 17
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