Datasheet [PDF] (5 pages)
- Updated: 08.06.2026
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Data Sheet
Cisco 8455DVB MPEG-4 HD Digital Video Recorder
The Cisco® 8455DVB MPEG-4 High-Definition (HD) Digital Video Recorder (DVR) offers
subscribers some of the latest enhancements in cable television viewing. It combines
multiple compelling video services into one integrated unit. This multi-tuner DVR features
MPEG-4 part 10 / H.264 SD/HD capability, and robust interactive capability using the
DOCSIS® 2.0 compliant cable modem. The Cisco 8455DVB is designed to provide
consumers a rich home entertainment experience with HD picture clarity, movie theatre
experience of surround sound, personalized recording with Personal Video Recording
control, and the convenience of on-demand services such as Video-On-Demand.
The 8455DVB is compliant with DVB-C standards, MPEG-2 and MPEG-4 standards, supports PAL
video formats, and is designed to be compliant with the required safety, emissions, and immunity
specifications (as per the mandatory laws that may be applicable to Cisco). With its SmartCARD
reader, it is built to support renewable security.
Figure 1.
Cisco 8455DVB HD MPEG-4 DVR (image may vary from actual product and specification)
Features
● Multi-Format video decoder capable of High Definition MPEG-2, MPEG-AVC / H.264 / VC-1
decoding
● Supports multiple picture formats (576i, 576p, 720p, and 1080i) to allow optimum picture
performance with both standard TVs and HDTVs
● Internal 160 GB Hard Disk Drive
● Embedded DOCSIS 2.0 compliant cable modem
● Connect an HDTV to the set-top through the HDMI™ connector
● Digital audio output to connect easily to high-end audio equipment
● SCART outputs to connect to standard definition TVs or VCRs
● Ethernet port for connection to video source or connected home residential gateway
● USB 2.0 port for connectivity
Page 1 of 5
Data Sheet
Figure 2.
Cisco 8455DVB HD MPEG-4 DVR Front Panel (image may vary from actual product and
specification)
Table 1.
Front Panel Features
Feature
Description
Controls
13 keys:
ON/STANDBY, CH-, CH+, VOL-, VOL+, Record, Guide, TV and Navigation (5 keys)
Clock Display
5-digit, 7-segment, green VFD display
Indicators
1 LED (Power on/standby)
5 icon based indicators in the VFD display
Other
ISO7816 Smartcard
Figure 3.
Cisco 8455DVB HD MPEG-4 DVR Back Panel (image may vary from actual product and
specification)
Table 2.
Back Panel Features
Feature
Description
Connections In
Cable In (75 Ohm female IEC connector)
Connections Out
RF Bypass (75 Ohm male IEC connector)
HDMI
Analog Component (YPbPr)
Dual SCART
Audio L/R Out
SPDIF Digital Audio Output
USB 2.0 port
Data Connections
1 x 10/100 Ethernet Output (Cable Modem)
1 x 10/100 Ethernet Output (In-Home Video Distribution)
Power Cord
1.5m power cord
Page 2 of 5
Data Sheet
Page 3 of 5
Product Specifications
Table 3.
Product Specifications
Specification
Value
Audio/Video Outputs
Inputs and Outputs
● 75 Ohm female IEC connector RF input
● 75 Ohm male IEC connector RF bypass output
● HDMI 1.2 output
● Analog component (YPbPr) outputs
● TV SCART output
● VCR SCART output
● Audio L/R outputs
● Digital audio output - Optical type
● 2 x 10/100BASE-T Ethernet ports
● USB 2.0
HDMI 1.2 Output with HDCP Copy
Protection
● High-Definition Multimedia Interface (HDMI) provides uncompressed digital video
and audio in a simple, user-friendly connector
● HDMI combined with HDCP (High Bandwidth Digital Content Protection) is
designed to provide the optimal, secure connection to an HDTV set that supports
the HDMI with HDCP interface
USB 2.0 High-Speed Data Output
Provides a 480 Mbps output for connection to devices such as external hard drives*
*USB support requires middleware and application support for functionality
Tuning and Decoding
Multi-Format Video Decoder
● Allows decoding and presentation of audio and video in both MPEG-2 and
MPEG-4 part 10 formats
● SD Model Formats: MPEG-2 MP@ML; MPEG-4 Part 10 MP@ Level 3.0 and
HP@ Level 3.0
● HD Model Formats: MPEG-2 MP@ML and MP@HL; MPEG-4 Part 10 MP@
Level 3.0/4.0 and HP@Level 3.0/4.0
● Supports multiple picture formats (576i, 576p, 720p, or 1080i) to allow optimum
picture performance with both standard TVs and HDTVs
Multi-Format Audio Decoder
Enables tuning of digital audio MPEG-1 layer I/II, MP3, MPEG-2 layer II, AC3
Dolby™ Digital; MPEG-4 AAC audio formats
Independent DOCSIS 2.0 Cable
Modem with 200 MHz Processor
● Allows IP-based, real-time, two-way communications between the set-top and
the headend
● The cable modem has a separate processor and dedicated memory from the set-
top processor and memory to achieve optimum performance without impacting
set-top functions
10/100 Ethernet
Ethernet port can provide high-speed cable modem data service when connected
to a PC
Powerful Graphics Engine
Enables high-resolution graphics up to 720 x 576
Memory/Storage
DVR with 160 GB Hard Drive
● The 160 GB hard drive is designed to allow up to 80 hours* of SD programs to be
recorded and stored using DVR functions
● Gives subscribers complete control over watching, pausing, rewinding, replaying,
and fast forwarding live programs using the remote control
*The total program hours that can be stored depends upon the format and data rate
of the programming source
Memory Configuration
Base model contains:
● 16 MB Flash memory
● 32 MB DDR RAM for video decoding
● 128 MB DDR RAM for system and applications
● 32 KB EEPROM
Processor
Powerful 32-bit RISC Processor
Fast CPU (266 MHz) delivers quick tuning changes and on-screen response times
Data Transmission and Tuner
QAM 64 and 256 ITU J.83 Annex A
Support
DVB-C (EN 300 429) compliant for QAM delivery and demodulation
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