Specifications

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Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
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Chapter 2 Cisco IGX 8400 Series Cards
Universal Frame Module
Note The following port speeds are supported on the UFI-12V.35 back card: 56, 64, 112, 128, 168, 192, 224,
256, 320, 336, 384, 448, 512, 640, 672, 768, 896, 960, 1024, 1280, 1344, 1536, 1920, 2048, 3072, 4096,
5120, 6144, 7168, 8192, 9216, and 10240 kbps.
UFI-12X.21 Back Card
Note The UFI-12X.21 back card is compatible with the UFM-U front card. It is not compatible with either the
UFM-4C or the UFM-8C front cards.
The UFI-12X.21 back card in Figure 2-28 for the UFM-U front card has six connectors, with each
connector carrying two X.21 ports. Each port in the connector has an associated LED for indicating port
state. See Table 2-39 for more information on these LEDs.
Tip To use the UFI-12X.21 back card in DTE mode, use the X.21-DTE cable to connect the back card to
DCE interfaces. For more information on the cables used with the UFI back cards, see the “UFM
Cabling” section on page A-32 in the Cisco IGX 8400 Series Installation Guide.