Cisco WCM300 - Channel Bonded Cable Modem Implementation Manual page 21

Chapter 2 Cisco Cable Wideband Components
The Cisco Gigabit Ethernet network uplink line card (part number UBR10-1GE) is also supported as a
base CMTS component. It is a full-height line card that, for use with a Wideband SIP and SPA, should
be installed in slot 3/0 or 4/0 of the uBR10012 router. However, the (full-height) Cisco Gigabit Ethernet
line card is not recommended as a uBR10012 base system component for Wideband Cable because only
two full-height Gigabit Ethernet line cards can be installed in the chassis. The uBR10012 chassis will
support four Half-Height Gigabit Ethernet (HHGE) line cards in slots 3/0 and 4/0.
Cable Interface Line Cards and Network Uplink Line Cards
The cable interface line cards and network uplink line cards used on the Cisco uBR10012 base system
are described in the following sections:
•
•
Cisco uBR-MC5X20S/U/H and uBR10-MC5X20U-D Cable Interface Line Cards
The Cisco uBR10-MC5X20S/U/H and uBR10-MC5X20U-D cable interface line cards transmit and
receive RF signals between the subscriber and the headend over hybrid fiber/coax (HFC) network.
Figure 2-3
Figure 2-3
uBR10-MC5x20S-D
The Cisco uBR-MC5X20S/U/H and uBR10-MC5X20U-D cable interface line cards can be used for a
standard DOCSIS 1.X/2.0 service or for a Cisco Cable Wideband service or for a combination of the two.
These cable interface line cards support upstream and downstream traffic over DOCSIS-based cable
modem networks.
For a DOCSIS 1.X/2.0 and for Cisco Cable Wideband Solution, Release 1.0, operation, upstream data
from the subscriber comes through the upstream ports (US0-US19) on the line cards. The line card
processes and configures the data and sends it across the backplane to the WAN/backhaul card and out
to the Internet.
OL-10705-02
Cisco uBR-MC5X20S/U/H and uBR10-MC5X20U-D Cable Interface Line Cards, page 2-5
Cisco Half-Height Gigabit Ethernet Line Card, page 2-7
shows the faceplate for these line cards.
Cisco uBR10-MC5X20S/U/H or uBR10-MC5X20U-D Cable Interface Line Card
Faceplate
Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0
Base CMTS Components
2-5