ULTRIX-FR12 Installation Guide (v4.0) Cabling Your Router • 39
Inputs
When you enable a Gearbox input group, ULTRIX-FR12 multiplexes the signals of the four 3G Level A
channels together.
Connecting the SFP Ports
The primary function of SFP+ modules is to provide inputs and outputs different to the formats that
the HD-BNCs provide. The number of ports you have depends on the blade(s) installed in the
router, and the number of SFP+ modules you have chosen to install for each blade.
The AUX ports on the ULTRIX-IP-IO blade can only be used for Ultriscape Head outputs.
Working with Fiber Optic Connectors
Keep the following in mind if the SFP+ module(s) installed in a port includes a fiber optic connector:
• Every time you are required to insert a connector into a device or mating sleeve, you must clean
the connector. All exposed surfaces of the ceramic ferrule must be clean. Follow your facility
practices of cleaning fiber optic connectors.
• Connectors must always be inserted into a device or have a dust cap on.
• A poor optical connection is often similar to a poor electrical connection. Try removing the
connector, cleaning, and re-inserting the connector. A bad connection can result in experiencing
instability of signal, high loss, or a noisy signal.
For More Information on...
• the available SFP+ modules, refer to “Supported SFP Modules”.
• the AUX ports for your blade(s), refer to “Cabling Designations”
To connect to a third-party device via an AUX port
1. Connect the end of an interface cable to an AUX port on the ULTRIX-FR12 rear panel.
2. Connect the other end of the interface cable to the device that will communicate with the router
via the AUX port.
3 slot#.out[9] slot#.out[10] slot#.out[11] slot#.out[12]
4 slot#.out[13] slot#.out[14] slot#.out[15] slot#.out[16]
Table 9 Gearbox Mapping — Default Input Groups on the Ultrix HDX-IO
Group Channel 1 Channel 2 Channel 3 Channel 4
1 slot#.in[1] slot#.in[2] slot#.in[3] slot#.in[4]
2 slot#.in[5] slot#.in[6] slot#.in[7] slot#.in[8]
3 slot#.in[9] slot#.in[10] slot#.in[11] slot#.in[12]
4 slot#.in[13] slot#.in[14] slot#.in[15] slot#.in[16]
Table 8 Gearbox Mapping — Default Output Groups on the Ultrix HDX-IO
Group Channel 1 Channel 2 Channel 3 Channel 4
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