HD491 Smart Encoder
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491 Specifications
HD491 HD-SDI Video Inputs
Number of Inputs ........................... 2
Connector ...................................... BNC per IEC 169-8
Format .......................................... 1.485 Gbits/s SMPTE 292M (1080i, 720p, 480p, 24psf) or 270 Mb/s SD
Input Level ..................................... 800 mV p-p
10%
Input Impedance............................ 75 Ohms
Equalization ................................... Automatic up to 100m @ 1.5 Gb/s with Belden 1694 or equivalent
HD491 HD-SDI Video Outputs
Number of Outputs ........................ 3
Output 1 ......................................... Master (relay bypass protected)
Output 2 ......................................... Master copy
Output 3 ......................................... Auxiliary (relay bypass protected)
Connector ...................................... BNC per IEC 169-8
Output Level .................................. 800 mV p-p
10%
Output Impedance ......................... 75 Ohms
DC Offset ....................................... 0V ± 0.5V
Rise/Fall Time ............................... 200 pS nominal
Overshoot ......................................
10% of amplitude
Wide Band Jitter ............................
0.2 UI
DATA PORTS
LAN ............................................... RJ45 connector, 10/100/1000 Base T TCP/IP
USB ............................................... Three standard USB ports, one on front panel and two on rear
Serial Ports ................................. Two serial DB-9 jacks, Selectable RS232C / RS422.
Serial Data Input Format .............. 7 data bits, odd parity, 1 stop bit, settable between 1200-38400 baud
Modem ......................................... Two RJ-11 telephone jacks (2
nd
modem optional), 1200/2400 baud
GPI/GPO ....................................... Two ports which each mate to female IDC-16 connectors, Switches rated
....................................................... to 1A / 30 VDC
AUDIO PORTS
Port 1 ............................................. LTC time code input
Port 2 ............................................. Program audio input for streaming audio applications
Connector ...................................... Female XLR
Format ........................................... Balanced analog or AES balanced 110-ohm digital
FRONT PANEL
Display ........................................... Back-lit LCD display with six-button keypad and navigable menus for unit
....................................................... configuration
Power ............................................ Unit power switch with LED indicator
Insert On ........................................ Encoder bypass switch with LED indicator
PHYSICAL
Dimensions ....................................
19” rack mount x 1 RU x 25” deep
ELECTRICAL
Power ............................................ 115/230V AC 50/60Hz
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