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The Evertz 7700ACO-HD HD/SDI Auto Change Over is designed to provide a HD/SD SDI video, multi channel AES audio and RS-422/RS-232 change over in one device. The unit can be controlled via GPI, remotely via VistaLINK® PRO or set in autochangeover mode. It is an all-in-one ACO package aimed towards protecting a complete channel. (ie. protecting the video, 8 channels of discrete AES and associated control channel (RS-232 or RS-422)). The unit features latching relays that maintain state through loss of power.

Features

  • Auto detection of signal standard
  • Four modes of operation:
    • Auto changeover - two standalone auto changeovers
    • Manual DIP switch control - two independently controlled 2x1 switchers
    • GPI Control - two independently GPI controlled 2x1 switchers
    • Tally output provided
  • Protection for 8 channels of AES
  • Control channels
  • Protection on HD (1.5Gb/s) or SD (270Mb/s)
  • Changeover conditions are based on signal presence of:
    • HD/SDI (TRS timing, CRC and EDH)
    • DVB-ASI (SMPTE sync word)
    • Sync (H timing)
    • AES (sync word)
  • VistaLINK® capable for remote monitoring, control and configuration capabilities via SNMP. VistaLINK® is available when modules are used with the 3RU 7800FR frame and a 7800FC VistaLINK® Frame Controller module in slot 1 of the frame

Specifications

Serial Video Input
Standard SMPTE ST 292-1, SMPTE ST 259 A, B, C, D (143 to 540Mb/s) or DVB-ASI
Number of Inputs 2
Connector BNC per IEC 61169-8 Annex A
Equalization 100m of Belden 1694A or equivalent cable combined input and output
Return Loss 10dB up to 1.5Gb/s

Serial Video Outputs
Number of Outputs 1 passive relay output
Connector BNC per IEC 61169-8 Annex A
Maximum Cable Length 60m of Belden 1694A or equivalent cable combined input and output
DC Offset 0V ±0.5V
Return Loss 10dB up to 1.5Gb/s

General Purpose Inputs and Outputs
Type
Input Opto-isolated input with internal pull-up to +5V
Output Normally 10k internal pull-up to +5V. Ground to rear panel when relay is in active position
Connector Screw down terminal blocks
Signal Level +5V nominal

Communications and Control
Serial Port RS-232/RS-422 - 4 wire
Number of Ports 4 pins
Connector Removable terminal block

AES Input
Standard SMPTE ST 276
Number of Inputs 8 unbalanced AES
Connector Female High Density DB-15 (breakout cable to BNC provided)
Level 1V p-p
Impedance 75Ω
Return Loss > 25dB 100kHz to 600MHz
Equalization Automatic to 1500m with Belden 1694A (or equivalent) @ 48kHz AES signal

AES Output
Number of Outputs 8 unbalanced AES
Connector Female High Density DB-15 (breakout cable to BNC provided)
Level 1V p-p
Impedance 75Ω
Return Loss > 25dB 100kHz to 6MHz

Electrical
Voltage +12V DC
Power 6 Watts
EMI/RFI Complies with FCC Part 15, Class A, EU EMC Directive

Physical
Number of Slots 2

Ordering Information

7700ACO‑HD HD/SD-SDI, 8 Channel AES & RS-232/422 Auto Change Over

Ordering Options
Notes • Rear plate must be specified at time of order - eg: [model]+3RU
Rear Plate Suffix
+3RU 3RU rear plate for use with 350FR, 7700FR-C, 7800FR or 7801FR Multiframes

Enclosures
350FR Portable Multiframe which holds 7 single slot modules
7700FR-C 3RU Multiframe which holds 15 single slot modules
7800FR 3RU Multiframe which holds 15 single slot modules
7801FR 1RU Multiframe which holds up to 4 single slot or 2 dual slot modules

Accessories
7800FC VistaLINK® Frame Controller
CP-2116E-H Remote Control Panel
CP-2232E Remote Control Panel
WPAES8-BNCM-6F AES Audio Breakout Cable