Connecting To The Network; Connecting Upstream And Downstream Ports - Cisco ubr7111e Hardware Installation Manual

Connecting to the Network

Connecting to the Network
This section describes how to connect the router to your network. The cables required to connect the
router to a network are not provided. For ordering information, contact customer service. For cable
product numbers and port pinouts, see
The router has integrated LAN Fast Ethernet ports and arrives with the modular port adapter already
installed, unless you order a port adapter separately as a spare. For information on installing port
adapters, see the installation and configuration notes for your port adapter.
Warning Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF
Warning
or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables,
detach the end away from the unit first. Statement 1026

Connecting Upstream and Downstream Ports

The upstream and downstream ports are connected as follows:
•
•
•
Use high-quality RG-59 cabling for both the upstream and downstream ports. RG-6 cable is not
recommended for headend use.
Figure 3-9
DS0 RF
Downstream port (integrated upconverter)
Cisco uBR7100 Series and Cisco uBR7100E Series Universal Broadband Router Hardware Installation Guide
3-8
DS0 RF outputs the downstream after it has been processed by the Cisco uBR7100 series integrated
upconverter. This is an RF signal suitable for output to a combiner.
DS0 outputs the downstream as an IF signal. This signal must be output into an external
waveconverter before sending it to a combiner.
US connects the upstream cables to the upstream ports. If an upstream port is not being used, it
should remain unconnected.
Connecting Upstream and Downstream Ports
5
ACT ACT
DS0 LNK
I
FE 0/0
FE 0/1 1
RF
DS0
US3
US2
DS0 US3 US2 US1 US0
Upstream ports
Downstream port (to external upconverter)
Chapter 3 Installing Cisco uBR7100 Series Universal Broadband Routers
Appendix C, "Cable
SLOT 0
SLOT 1
PWR PWR
SYS
CONS
AUX RDY
US1
US0
EN
uBR711 4
Specifications".
OL-5916-01