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Graphic User Interface
Model 2470 Broadcast Time Delay


 

 
   
 
 

360 Systems’ Model 2470 Broadcast Time Delay is a high quality video and audio program delay for use in television broadcast. Designed to compensate for time-zone differences, it is equally useful for delivering content to broadcasters, and by affiliates for delaying transmission. The 2470 Time Delay delivers better image quality than video tape, and is more economical than using a server for program delay.


An Advanced Feature Set
with Enhanced Reliability

The 2470 Broadcast Time Delay can be programmed to create any delay time from 20 seconds to 36 hours. The delay is set in day/hours/minutes/seconds/frames through a graphic user interface. Unlike many servers, 360 Systems’ 2470 Time Delay will maintain single-frame accuracy over an indefinite period of time when connected to a genlock source. It operates as a set-and-forget box, and requires no user intervention. All settings are non volatile, and are automatically recalled each time power is applied.

To achieve the highest image quality without motion artifacts, video is MPEG-2 encoded in 4:2:2 Profile, Main Level, at a fixed rate of 30 Mb/sec (I-frame). Inputs and outputs are provided for both SDI and Composite video.

The Time Delay accepts four audio channels (two stereo pairs) in AES/EBU format, or as embedded audio within an SDI stream. Alternatively, it accepts two channels of +4 dBu balanced analog audio. XLR-3 connectors are provided for audio I/O. 360 Systems’ Bit-for-Bit® data handling ensures correct playback of data for Dolby-E and Dolby AC-3 data streams.

The Time Delay also captures most commonly used VBI lines including VITC, closed captions, and AMOL (Nielson) data. Time delays can be set to single-frame precision, and because a genlocked reference is used, timing remains frame-accurate over an indefinite period of time. When several units are fed identical input signals, they remain in sync.

Because broadcast delays transport high-value program material, 360 Systems’ design includes a RAID-5 disk array to enhance reliability in the event of drive failure. Power consumption is low, and forced-air cooling extends component life and enhances reliability.


Technical Specifications
 
Video
Time Delay

Adjustable, 20 sec to 36 hours

Time set increment

D.HH:MM:SS.FF (True number of frames per hour)

Video reference (genlock)

External black burst required (RS-170)

Accuracy

Frame accurate over long term

Input

1

Outputs

1 delayed output, 1 E-E monitor

Analog video I/O
Composite, 75 ohm BNC connector
Digital video I/O SDI, SMPTE 259M, 75 ohm BNC connector
Video standard

NTSC, 525/60

Compression format

MPEG-2, 4:2:2 Profile @ Main Level, I-frame, 30 Mb/sec

Audio
Digital Inputs/Outputs 2 stereo pairs (4 channels) per video channel
Digital audio format AES/EBU, (AES-3-2000) XLR-3 connector
Analog Inputs/Outputs 2 mono audio channels per video channel
Analog audio I/O format Balanced, +4 dBu, XLR-3 connector
Audio coding 48k sample rate, 24-bit word, Linear PCM
Bit-for-Bit® capable Transparent to Dolby®-E, Dolby AC-3
Embedded audio 4 channels, 20-bit
VBI Data
Closed Captions Records and plays CC data on line 20, 22 per EIA-608B/708B
VITC time code Records and plays on lines 14, 16; includes user bits
AMOL/Nielson data Records and plays on line 21
Network Communications
Network port FTP over Gigabit Ethernet
Data available Error log and future use
Disk Storage
Drives (4) Serial ATA in RAID-5 array
Drive Access Accessible/replaceable from front panel
CD-ROM Drive Internal, for loading operating system and software upgrades
Miscellaneous
Operating System Linux®
Front panel indicators Power-on, Genlock, Fan alarm, RAID alarm, System alarm
Miscellaneous ports Keyboard, mouse, SVGA display, Ethernet
GPI control inputs/outputs 25-pin D connector, future use
Serial control input 9-pin, EIA-422, future use
Cooling Forced air
Power 100 to 240 volts universal, 50/60 Hz, 165 watts
Mechanical 3½” x 19” x 18” (89 x 483 x 457 mm) H-W-D
Mounting Rack mount (2U), includes rear supports
Weight 27 lb. (10.6 Kg) net
Country of origin U.S.A.
Agency approvals UL, C-UL, CE, FCC Class A

Specifications are subject to change without notice.

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360 Systems Sales
Tel (818) 991-0360 Fax (818) 991-1360
E-mail:



360 Systems Broadcast
31355 Agoura Road • Westlake Village, CA 91361 • Tel: (818) 991-0360


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