User manual
MUX-6258-A Series User Manual (Iss. 04) Installation • 2–3
Installing the MUX-6258-A Series
This section outlines how to install a rear module and card in an DFR-8321 series frame. You
cannot install the MUX-6258-A series card in a DFR-8310 series or a DFR-8320 series frame.
Supported Rear Modules
This section outlines the rear modules supported by each model of the MUX-6258-A series card.
MUX-6258-A
The 8320AR-048A Full Rear Module is required when installing the MUX-6258-A.
MUX-6258-A CWDM Series
The 8320AR-048A Full Rear Module is required when installing the MUX-6258-A CWDM
series card.
Installing a Rear Module
If the Rear Module is already installed, proceed to the section “Installing the Card” on page 2-4.
To install a Rear Module in your DFR-8321 series frame
1. Locate the card frame slots on the rear of the DFR-8321 series frame.
2. Remove the Blank Plate from the slot you have chosen for the card installation.
3. Remove the dust caps from the Fiber ports on the Rear Module that face the interior of
the frame. Refer to Figure 2.1 and Figure 2.2 for dust cap locations.
Figure 2.2 Card Connectors with Dust Caps Removed — MUX-6258-A
4. Install the bottom of the Rear Module in the Module Seating Slot at the base of the
frame’s back plane.
Caution — Never attempt to look down the barrel of a connected fiber or device transmitting
an optical signal. The transmitted light is not in the visible spectrum and may cause permanent
eye damage. Turn off all laser sources before disconnecting devices.
Dust Cap for
Fiber 1 Port Connector
Dust Cap for
Card Ceramic Ferrule
Card-edge
Connector
Ceramic Ferrule to
Fiber 1 Port on Rear Module
(Dust Cap Off)
Fiber 1 Port
to Card (Dust Cap Off)
Fiber 1 Port for Cable (Dust Cap Off)