The Cisco RF Gateway 1 is a standards-based universal edge QAM (U-EQAM) solution for convergence of high-speed and high-bandwidth data and video distribution at the edge of the cable access network. The Cisco RF Gateway 1 offers leading edge density, modularity, and flexibility with support for Switched Digital Video (SDV), VoD, Broadcast Video, and DOCSIS® 3.0/Modular CMTS (M-CMTS)™ all on a single QAM platform.
The Cisco RF Gateway 1 provides higher density (up to 96 QAMs per RU), improved reliability, superior RF performance, 1 GHz RF output, and DOCSIS 3.0/M-CMTS capability. It is fully integrated and tested as part of the Cisco Digital Broadband Delivery System (DBDS) and the Cisco uBR10012 M-CMTS solution, accelerating the deployment and easing the management of digital video and DOCSIS services. The Cisco RF Gateway 1 enables the converged next-generation cable access network by offering comprehensive video and DOCSIS functions in a single U-EQAM platform.
Figure 1. Cisco RF Gateway 1
Applications
• SDV
• VoD (and other unicast services)
• Broadcast Video
• High Definition or Standard Definition Content
• DOCSIS 3.0 / M-CMTS Architecture
• 1 GHz Expansion
Features and Benefits
Primary Benefits
The compact Cisco RF Gateway 1 provides the following benefits for cable operators:
• Rapid time-to-market of QAM-based services to generate incremental revenue through a modular, flexible design based on a proven, fourth-generation QAM architecture
• Efficient use of capital expenditures through maximum spectrum efficiency (SDV, QAM Sharing, 1 GHz) and U-EQAM functionality (video and data) for flexibility and optimization in a variety of video and data network architectures
• Quality and reliability through a redundant architecture; full testing and integration with the Cisco DBDS Video Delivery System and the Cisco uBR10012 M-CMTS Architecture
Primary Features
The Cisco RF Gateway 1 provides up to 96 U-EQAM channels (for SDV, Broadcast, VoD, and DOCSIS 3.0/M-CMTS) in a compact 1 RU chassis. The modular design supports 16 QAM channels per module, with eight QAM channels per RF output port and frequency agility up to 1 GHz.
Primary features include:
• True U-EQAM video (broadcast, SDV, SD/HD, MPEG-2, AVC) and high speed data
• (M-CMTS/DTI, DOCSIS 3.0) in 1 RU form factor
• Manual or DEPI Control Plane modes supported
• Table-based or session-based video functionality
• Optional on-board Encryption: DVB® SimulCrypt and PowerKEY® SKS
• Utilizes Direct Digital Synthesis (DDS) QAM technology which allows superior RF performance and stability
• 96 configurable QAM channels; each of which is fully agile 45-1000 MHz
• RF performance typically meets or exceeds CableLabs® DRFI specification CM-SP-DRFI
• Modular, hot-swappable, and Auto-configurable QAM cards
• Support for up to 2048 streams in 1 RU
• Fully redundant design with redundant Gigabit Ethernet ports and power supplies (AC/AC, AC/DC, or DC/DC)
• Front-to-back airflow to allow self-cooling and stacking
• Compliance with ITU-T J.83 standard, Annex A (DVB), Annex B (ATSC), or Annex C (Japan)
• Internet Group Management Protocol Version 3 (IGMPv3) support
• Low power consumption per QAM
• Four or eight QAM channels per RF port available - independent of channel bandwidth (6, 7, and 8 MHz)
• Fully SNMP compliant
Table 1. Product Specifications
Specification
Value
Gigabit Ethernet Input Interface
Number of inputs
2+2 (for redundancy)
or 4 Independent
Connector
Optical/electrical Small Form Factor Pluggable (SFP)
Interface type
Gigabit Ethernet according to IEEE 802.3ab (Electrical)
or IEEE 802.3z (Optical)
Input Data rate
Full line rate
Syntax
VBR and CBR MPEG SPTS and MPTS on UDP (RFC-768), RTP, L2TPv3, IGMPv3
Dejitter Buffering
500 ms (configurable from 5ms - 400ms)
RF Outputs
Number of outputs
Maximum 12 physical RF ports (each with 4 QAM channels)
Connector
F-type, 75 Ω
Frequency
Range
Step size
Stability
Accuracy
Channel edges between 45 and 1002 MHz (tunable)
1 kHz
± 3 ppm
± 3 ppm
Channel Bandwidth
6, 7, or 8 MHz depending on QAM transmission standard
Level
8-Channel Mode
4-Channel Mode
3-Channel Mode
2-Channel Mode
1-Channel Mode
Stability
Accuracy
52 dBmV RMS Max per QAM Channel in 0.1 dB steps
54 dBmV RMS Max per QAM Channel in 0.1 dB steps
56 dBmV RMS Max per QAM Channel in 0.1 dB steps
58 dBmV RMS Max per QAM Channel in 0.1 dB steps
62 dBmV RMS Max per QAM Channel in 0.1 dB steps
± 1 dB
± 1 dB
Return loss
>14 dB 45-750 MHz
>13 dB 750-870 MHz
>12 dB 870-1000 MHz
Per DOCSIS 3.0 DRFI specification CM-SP-DRFI
Management Interface
Interface type
Ethernet 10/100 BASE-T
Connector
RJ-45
Protocols
HTTP, SNMP, FTP, RPC
Other Interfaces
DTI
2 RJ-45 Primary and Redundant
Conditional Access
Ethernet 10/100 BASE-T
Signal Specifications
Channel encoding
Randomization, Reed-Solomon, Trellis Encoding, and Interleaving configurable to ITU Annex A, B, or C
MER (before equalizer)
≥ 40 dB (at RF)
MER (after equalizer)
≥ 45 dB (at RF)
QAM constellations
64 and 256 QAM
Environmental Specifications
Operating temperature
32 to 122°F (0 to 50°C)
Storage temperature
-30 to 158°F (-22 to 70°C)
Altitude
-200 to 10,000 feet AMSL
Operating humidity
5% to 95%, non-condensing
Power supply (nominal)
100 to 240 VAC or -48 VDC
Normal service voltage range
90 to 264 VAC or -38 to -58 VDC
Power consumption (fully loaded)
48 QAM Typical 345W 96QAM Typical x 360W
Chassis Mechanical Specifications
Height
1.75 in. (44.45 mm) (1 RU)
Width
19 in. (482.6 mm)
Depth
21.0 in. (533.4 mm)
Weight
27.5 lbs (12.5 kg)
Table 2. Ordering Information
Product Name
Product Description
Cisco RF Gateway 1 Chassis
RFGW-1
RFGW-1 with 2 Power Supply slots and 6 QAM Module slots. Includes Front Panel Display, IO Modules and Fans.
RFGW-1 Data Upgrade License (2 required when combined with Octal License)
L-RFGW1-DVB
RFGW-1 DVB Session Based Scrambling Upgrade License (2 required when combined with Octal License)
L-RFGW1-PKEY
RFGW-1 PowerKey Scrambling Upgrade License (2 required when combined with Octal License)
Cisco RF Gateway 1 Spares and Accessories
CHAS-RFGW-1=
RFGW-1 Spare Chassis with 2 Power Supply slots and 6 QAM Module slots. Includes Front Panel Display, IO Modules and Fans
RFGW-1-FAN=
RFGW-1 Fan Module Spare
RFGW-1-FPD=
RFGW-1 Front Panel Replacement Kit Spare
RFGW-1-IO-MOD=
RFGW-1-D I/O Module Spare
RFGW-1-RAIL24=
RFGW-1 24 inch Angle Bracket Kit Spare
RFGW-1-QAM-CVR6=
RFGW-1,QAM Cover Replacemnet Kit (Mult=6) Spare
Service and Support
Using the Cisco Lifecycle Services approach, Cisco and its partners provide a broad portfolio of end-to-end services and support that can help increase your network's business value and return on investment. This approach defines the minimum set of activities needed by technology and by network complexity to help you successfully deploy and operate Cisco technologies and optimize their performance throughout the lifecycle of your network.
For More Information
To learn more about the Cisco RF Gateway Series, contact your local account representative.
