8Obtaining Documentation and Submitting a Service Request
9Related Documents
1 Overview
The Cisco RF Gateway 10 (RFGW-10) is a Carrier Class Universal Edge Quadrature Amplitude Modulation (UEQAM) platform
that offers concurrent support for Standard and High Definition Digital Broadcast Television, Switched Digital Video (SDV),
Video on Demand (VoD), and DOCSIS/Modular CMTS services.
The Cisco RFGW-10 UEQAM is a chassis based product that is based on open standards with superior performance, capacity,
power consumption, ease of management and scalability. All components of the Cisco RFGW-10 UEQAM are designed for high
availability including dual Supervisor and Ethernet switching line cards, 1:N Universal Edge QAM line cards, dual Timing and
Control line cards, dual load balancing and load sharing DC PEM and integrated RF switching modules.
The Cisco RFGW-10 is targeted to the Cable Operators worldwide, and is optimized for operators requiring carrier class high
availability solutions and wanting to collapse video and data over cable EQAM systems into common platform. A collapsed
Universal EQAM architecture achieves the following business benefits; EQAM resource utilization gains, cost efficiencies, rack
space optimization, reduced cost and complexity of management, and high availability for all services. The Cisco RFGW-10 is
part of the Cisco’s Cable ecosystem, and is fully integrated and tested as part of the Cisco Digital Broadband Delivery System
(DBDS) video solution and Cisco uBR10012 DOCSIS 3.0 and Modular CMTS solution.
The Cisco RFGW-10 is a centralized switching architecture leveraged from the Cisco® Catalyst® 4500 Series switches. The
Cisco RFGW-10 is a 13RU Carrier class, modular chassis designed for providing front to back airflow and system level
redundancy. All chassis components are hot-swappable and redundant. The chassis supports “wire-once” cabling for RF line
cards and an integrated dual-zone RF switch matrix. The supervisor engine provides non-blocking, robust Layer 2-4 switching
with the addition of wire-speed 10-Gigabit Ethernet uplinks, 136Gbps capacity and 102mpps packet throughput.
The Cisco RFGW-10 system is a UEQAM that supports both upstream and downstream RF cards over a frequency range of
5MHz – 1.2GHz. The initial line card release is a UEQAM downstream card that supports the DOCSIS (1.0/2.0/3.0), the
EURODOCIS, and J-DOCSIS specifications. Additionally, the card supports High Definition Digital Broadcast Television,
Switched Digital Video (SDV), Video on Demand (VoD) video delivery.
Based on the Cisco IOS networking software, the Cisco RFGW-10 supports advanced switching and routing features. The
platform supports full upgradeability, ensuring investment protection as software enhancements and industry standards
continue to evolve.
Warning
Only trained and qualified personnel should be allowed to install, replace, or service
equipment.
this
Statement 1030
Cisco RF Gateway 10 Components
The front-side components include the supervisor cards, RF line cards, and the front panel LCD. The rear-side components
include the fan assembly, RF Switch cards (coaxial terminations),
Interface (DTI) Clock) cards, and the DC PEM modules.
All components (excluding the LCD) are hot-swappable and field replaceable. A fully configured system will operate with a
single DC PEM installed; the second PEM is required for power supply redundancy and power load sharing.
NoteProper configuration of the DC PEM requires that both the external power connections, Input 1 and Input 2, are
connected to the external power source and the GND connections are connected to the Earth GND. Input 1 and Input
2 on the DC are not redundant power inputs. If only one of the inputs is connected to the external power, the Cisco
RFGW-10 UEQAM will not power on correctly.
Figure 1 shows the location of the front-side and the rear-side system components for the Cisco RFGW-10 UEQAM.
Timing, Communication, and Control (TCC) (DOCSIS Timing
2
Figure 1Cisco RF Gateway 10 chassis components - Front and Rear View
3
4
2
1
Universal RF line card slots
1
LCD/Pushbutton panel
3
TCC / DTI card slots
5
RF Switch Cards/Coaxial cable termination slots
7
7
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5
6
Supervisor card slots
2
Fan assembly
4
DC PEM modules
6
3
2 Site Preparation
Do not unpack the chassis until you are ready to install it. Keep the chassis in the shipping container to prevent accidental
damage until you determine an installation site.
Before you install the Cisco RFGW-10, review the following:
• The environmental conditions your installation site must meet to maintain normal operation.
• The power requirements that must be in place at your installation site.
• The cabling requirements for your installation site.
• Rack-mounting requirements.
• The equipment required to install the Cisco RFGW-10 UEQAM.
For more details on site preparation, refer to “Preparing Your Site for Installation” chapter in the Cisco RF Gateway 10
Hardware Installation Guide.
4
3 Chassis Installation
The Cisco RFGW-10 UEQAM is shipped with all ordered (configured) components installed in the chassis. A fully configured
Cisco RFGW-10 UEQAM (configured for redundancy support, including 10 RF line cards) weighs approximately 275 lbs. The
chassis alone weighs 91 lbs. The chassis with the fan tray, TCC cards, and all RF switch cards weighs 138 lbs. It is not
recommended that the Cisco RFGW-10 system be installed with all components in the system.
In a fully loaded chassis, the removable components (modules, line cards) weigh approximately 184 lbs. To enable two people
to install the system safely, we recommend that the following components be removed from the chassis before installing the
chassis in the rack:
• Fan assembly (13.0 lbs— optional, it is recommended to leave this installed)
• DC power supplies (15.5 lbs each)
• Supervisor cards (5.5 lbs each)
• TCC cards (2.0 lbs each)
• RF switch cards (2.5 lbs— optional, given the quantity and total weight contribution of these cards)
• RF line cards (9.5 lbs each)
CautionYou must use a hydraulic lift or forklift to move a fully populated chassis.
Installation Methods
Rack-mounting is the preferred method of installation for the Cisco RFGW-10 UEQAM. You can mount the chassis:
• Front mount or mid mount
• In a 19 inch wide (standard), four-post equipment rack or two-post, using the rack-mount brackets in the accessory kit
NoteThe Cisco RFGW-10 UEQAM usually ships fully loaded. It is recommended that you remove the components from the
chassis to make the chassis lighter for your rack installation. It is recommended to remove the two DC PEMs, the two
Supervisor Cards, and the 10 Universal RF Line Cards.
General Rack Installation Guidelines
When planning your rack installation, consider the following guidelines:
• The Cisco RFGW-10 UEQAM requires a minimum of 13 rack units (22.75 inches or 577.85 mm) of vertical rack space.
Measure the proposed rack location before mounting the chassis in the rack.
• Before using a particular rack, check for obstructions (such as a power strip) that could impair rack-mount installation. If
a power strip does impair a rack-mount installation, remove the power strip before installing the chassis, and then replace
it after the chassis is installed.
• Allow sufficient clearance around the rack for maintenance. If the rack is mobile, you can push it back near a wall or cabinet
for normal operation and pull it out for maintenance (installing or moving cards, connecting cables, or replacing or
upgrading components). Otherwise, allow 36 inches (914.4 mm) of access to remove field replaceable units.
• Maintain a minimum clearance of 4 inches (101.6 mm) on the front and the rear of the chassis for the cooling air inlet and
exhaust ports, respectively. Avoid placing the chassis in an overly congested rack or directly next to another equipment rack;
otherwise, the heated exhaust air from the other equipment can enter the inlet air vents and cause a high temperature
condition inside the router.
CautionTo prevent chassis overheating, never install a Cisco RFGW-10 UEQAM in an enclosed room that is not properly
ventilated or air conditioned.
5
• Always install the heavier equipment in the lower half of the rack to maintain a low center of gravity to prevent the rack
from falling over.
• Install and use the cable-management brackets included with the Cisco RFGW-10 UEQAM to keep the cables organized
and out of the way of the cards and processors. Ensure that the cables from the other equipment already installed in the
rack do not impair access to the cards or require you to disconnect cables unnecessarily to perform equipment maintenance
or upgrades.
• Install rack stabilizers (if available) before you mount the chassis.
• Provide an adequate chassis ground (earth) connection for your Cisco RFGW-10 UEQAM chassis.
Table 1 shows the weight and dimensions of the Cisco RFGW-10 UEQAM.
Ta b l e 1Physical Characteristics of Cisco RFGW-10 UEQAM
CharacteristicDescription
Height13RU (22.75 in / 577.85mm)
Width17.48 in. (444mm) with rack-mounts
DepthOverall depth including card handles, UCH2 cable holders,
power supply handles: 24.93 inches (633.2mm)
Depth from the front rack-mount bracket including card
handles, UCH2 cable holders, power supply handles: 24.13
inches (612.9mm)
Depth from the front rack-mount bracket including rear RF
cable management bracket 26 inches (660mm)
Weight of fully configured chassis275 lbs (125 kg - with RFGW-DS48 line card and two DC
PEMs)
Rack-mounting a Cisco RFGW-10 UEQAM
The Cisco RFGW-10 UEQAM can be installed in either front mount or mid mount configuration. The chassis rack-mounting
flanges must be secured directly to the chassis before lifting it into the rack. For installing the Cisco RFGW-10 UEQAM
rack-mount brackets, go to:
• Chassis Front Rack-mount Brackets Installation, page 9
Before you install the chassis, measure the space between the vertical mounting flanges (rails) on your equipment rack to verify
that the rack conforms to the measurements shown in Figure 2.
Step 1Mark and measure the distance between the two holes on the left and right mounting rails. The distance should measure
18.31 inches ± 0.06 inches (46.5 cm ± 0.15 cm).
NoteMeasure the pairs of holes near the bottom, middle and top of the equipment rack to ensure that the rack posts are
parallel.
Step 2Measure the space between the inner edges of the left front and right front mounting flanges on the equipment rack.
The space must be at least 17.7 inches (45 cm) to accommodate the chassis, which is 17.25 inches (43.8 cm) wide and
fits between the mounting posts on the rack.
6
Minimum usable
aperture 17.7 inches
(45.0 cm)
Hole centerline
to hole centerline
18.31 inches ± 0.06 inches
(46.5 cm ± 0.15 cm)
Mounting flanges
28014
Figure 2Verifying Equipment Rack Dimensions
Installing the Chassis Installation Brackets
Each chassis is shipped with two chassis installation brackets in the accessory kit. These brackets are to aid in installing a chassis
into a 19 inch rack and used as a support base to vertically position and set the chassis before the rack-mount screws are
installed.
To install the chassis installation brackets into a rack, complete the following steps:
Step 1Determine where in the rack you want the chassis to be mounted. If you are mounting more than one chassis in the
rack, then start from the bottom up or the center of the rack. Install the chassis installation bracket where the chassis
bottom will be positioned vertically in the rack.
Step 2Secure the chassis installation bracket to the front rails with the rack-mount screws.
Step 3If there is a second internal rack rail, which is not more than 20 inches from the front rail, you can position the second
installation bracket to act as a rear support for the chassis during installation.
Figure 3 shows the brackets attached in a rack.
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Figure 3Chassis Installation Bracket
Chassis
installation
bracket
273445
NoteAfter the chassis is installed and secured to the rack, the chassis installation brackets can be removed from the rack.
The brackets are not needed for supporting the chassis when all the rack-mount screws are installed.
Installing the Chassis Installation Handles
This section explains how to attach the chassis installation handles to the chassis.
Before installing the chassis in the rack, it is recommended that you install a chassis lifting handle to each side of the chassis to
aid in lifting the chassis onto the rack.
NoteIt is recommended to install the two side chassis installation handles while unpacking to aid in moving the chassis off
the palette.
NoteChassis installation handles should not be installed if the chassis is to be mid mounted.
To install the chassis installation handles on a Cisco RFGW-10 UEQAM, complete the following steps:
Step 1Locate the two M5 threaded holes on the upper center of each side of the chassis that align with the handle captive
screws.
Step 2Install the two chassis installation handles on either side of the chassis and tighten the captive screws.
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CautionEnsure that the captive screws are secured tightly prior to loading the handles to prevent injury or damage to the
chassis.
Figure 4Attaching the Chassis Installation Handles to the Cisco RFGW-10 UEQAM
After the chassis rack-mount brackets are installed, additional handles can be installed onto the front of the rack-mount
brackets. The rack-mount brackets allow a low and high installation of the handles onto the bracket depending on the chassis
installation (low or high in the rack).
Attaching the Chassis Rack-mount Brackets
This section explains how to attach the front and the mid rack-mount brackets to the chassis. Before installing the chassis in the
rack, you must install the rack-mount brackets on each side of the chassis.
NoteThe rear RF cable management bracket is installed on the chassis after you install the chassis rack-mount brackets and
mount the chassis in the rack.
Chassis Front Rack-mount Brackets Installation
To install the front rack-mount brackets on a Cisco RFGW-10 UEQAM, complete the following steps:
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273684
1
1
3
2
Step 1Locate the threaded holes on the front sides of the chassis that align with the holes in the rack-mount bracket. Ensure
that you hold the front rack-mount bracket with the ear and holes facing outward and towards the front of the chassis
Figure 5).
(see
Step 2Install all six M5 undercut flat head screws (provided in the accessory kit) to secure each of the rack-mounting bracket
to the chassis. Three screws are installed on each end of the rack-mounting bracket.
Step 3Repeat Step 1 through Step 2 on the other side of the chassis.
Step 4Install the chassis in the rack. To install the Cisco RFGW-10 UEQAM in the rack, go to Installing the Cisco RFGW-10
If you are rack-mounting the chassis using a mid-mounted configuration, then it provides for the chassis being recessed in the
rack or installed in a two-post rack.
NoteChassis installation handles cannot be installed if the chassis is to be mid-mounted.
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273451
1
3
2
To install the rack-mount brackets for a mid-mounted configuration on a Cisco RFGW-10 UEQAM, complete the following
steps:
Step 1Locate the threaded holes on the middle sides of the chassis that align with the holes in the rack-mount bracket. Ensure
that you hold the front rack-mount bracket with the ear and holes facing outward and towards the rear of the chassis
Figure 6).
(see
Step 2Install all the six M5 undercut flat head screws (provided in the accessory kit) to secure each of the rack-mounting
bracket to the chassis. Three screws are installed on each end of the rack-mounting bracket.
Step 3Repeat Step 1 through Step 2 on the other side of the chassis.
Step 4Install the chassis in the rack. To install the Cisco RFGW-10 UEQAM in a rack, go to Installing the Cisco RFGW-10
UEQAM in a Rack, page 11.
Figure 6Attaching the Rack-Mount Brackets for Mid-Mount Configuration to the Cisco RFGW-10 Chassis
Cisco RFGW-10 Chassis
1
Rack-mount screws
2
Installing the Cisco RFGW-10 UEQAM in a Rack
After installing the rack-mount brackets, the installation handles on the chassis, and the installation brackets in the rack, mount
the chassis by securing the rack-mount brackets to the two posts or mounting strips in the rack. Because the rack-mount brackets
supports the weight of the entire chassis, be sure to use at least four rack-mount screws on each side to fasten the two
rack-mount brackets to the rack posts.
Rack-mount bracket
3
11
Chassis
installation
bracket
273445
Warning
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure
that the system remains stable. The following guidelines are provided to ensure your safety:
- This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
- When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest
component at the bottom of the rack.
- If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the
rack.
Statement 1006
To install the chassis in the rack, complete the following steps:
Step 1On the chassis, ensure that all the screw fasteners on the installed components are securely tightened.
Step 2Ensure that your path to the rack is unobstructed. If the rack is on wheels, ensure that the brakes are engaged or that
the rack is otherwise stabilized. See the section on the types of racks you can use to install the chassis.
Step 3(Optional) Install the chassis installation brackets into the rack to help support the chassis during installation. If you
use the brackets, this will help support the chassis while you secure it to the rack.
Figure 7Chassis Installation Bracket
Step 4With two people, lift the chassis (partially unloaded) into position between the rack posts and rest it on the chassis
installation bracket.
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