IMS-VSG: Synchronization Signal Generator for Use in Studio Applications


This product is only compatible with Meinberg's line of modular IMS LANTIME systems.
Visit the IMS Information Page to learn more.

The IMS-VSG modules for Meinberg’s LANTIME IMS platform are specifically designed to meet the needs of the broadcasting sector as they transition to IP-based production workflows away from long-established analog solutions, providing the perfect balance between ease of use, maximum signal precision, and extensive studio clock signal support for analog and digital production workflows.

Key Features

Warranty Period (Years): 3 RoHS-compliant
  • VSG181:
    Four BNC outputs with configurable video and audio signals:
    • Black & Burst, Tri-Level Sync
    • LTC (Linear Time Code)
    • DARS (Digital Audio Reference Signal)
    • Word Clock
    VSG181H:
    Two BNC outputs and a DB15 multi-output with configurable video and audio signals:
    • Black & Burst and tri-level sync
    • DARS (Digital Audio Reference Signal), unbalanced
    • 15-Pin Multi-Output:
      • LTC (Linear Time Code), balanced and unbalanced
      • DARS (Digital Audio Reference Signal), balanced
      • Word Clock

  • Four LEDs for signaling status of module and outputs

  • Previous Models - IMS-VSG:

    IMS-VSG :: Video-Sync Generator




Product Description

The IMS-VSG181 and IMS-VSG181H provide video and audio reference signals for studio equipment, with support for bi-level sync (black & burst), tri-level sync, linear time code (LTC), Digital Audio Reference Signal (DARS) and word clock signal output. On a IMS-VSG181, these signals are output via four BNC connectors, while on an IMS-VSG181H, this is achieved via two BNC connectors and a DB15 multi-output. All signal outputs can be configured in detail to meet your specific names via the LANTIME Web Interface of your IMS system.

Both the IMS-VSG181 and IMS-VSG181H are synchronized by means of the upstream reference of your IMS system. The VSG modules are also available with special on-board crystal oscillators to maintain the integrity of the reference signals, even if the upstream reference signal is temporarily lost or disrupted for any reason.



Characteristics

Status Indicators "St" LED: Status of VSG181/VSG181H in operating system
"In" LED: Synchronization status
"A" LED: Status of Black Out output
"B" LED: Status of LTC output
BNC Connectors

Black Out (VSG181 and VSG181H)
Signal Level: 300 mVpp, 75 Ohm termination

Output Signals:
  • Black & Burst: PAL (ITU-R BT.1700), NTSC (ITU-R BT.1700, SMPTE ST 170M)
  • Tri-Level Sync: 720p @ 50 Hz (SMPTE ST 296), 1080i @ 50 Hz (SMPTE ST 274M), 720p @ 59.94 Hz (SMPTE ST 296), 1080i @ 59.94 Hz (SMPTE ST 274M)
  • VITC (SMPTE ST 12M-1/SMPTE ST 309M) with PAL/NTSC signal output, optional date information integration in accordance with ITU-R.BR.1353, SMPTE ST309 or SMPTE ST309 MJD

DARS Out (VSG181 and VSG181H)
Output Signal: DARS (Digital Audio Reference Signal)
Signal Level: TTL, 2.5 Vpp, 75 Ohm termination
Signal Type: Sample Frequencies 44.1 kHz and 48 kHz

LTC Out (VSG181 only)
Output Signal: LTC - 24 fps (23.976 or exactly 24 fps), 25 fps, 30 fps (with optional drop frame support for 29.97 fps content)
Signal Level: TTL, 2.5 Vpp (MARK/SPACE), 75 Ohm termination

Studio Clock Out (Word Clock) (VSG181 only)
Output Signal: Word Clock
Signal Level: TTL, 2.5 Vpp, 75 Ohm termination
Frequency Range: 24 Hz - 12.288 MHz
Sample Frequencies: 44.1 kHz and 48 kHz
Scale Factors: 0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256

GPIO (General Purpose Input/Output)

15-pin D-Sub connector for outputting a variety of balanced and unbalanced signal types (VSG181H only):

LTC (Linear Time Code), Balanced / Unbalanced
Signal Level: TTL, 2.5 Vp (MARK/SPACE), 600 Ω termination (balanced signal), TTL, 2.5 Vp (MARK/SPACE), 75 ohm termination (unbalanced signal)
Formats: 24 fps (23.976 Hz and precisely 24 fps), 25 fps, 30 fps (with optional drop frame support for 29.97 fps content)

DARS (Digital Audio Reference Signal), Balanced
Signal Level: TTL, 2.5 Vp, 110 ohm termination
Sample Frequencies: 44.1 kHz and 48 kHz

Word Clock, Unbalanced
Signal Level: TTL, 2.5 Vp, 75 ohm termination
Frequency Range: 24 Hz – 12.288 MHz
Sample Frequencies: 44.1 kHz and 48 kHz
Scale Factors: 0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, 64, 128, 256

Current Draw 5 V ± 5%, 250 mA
Supported Temperature 0 ... 55°C
Supported Humidity Max. 85 % (non-condensing) at 40 °C
Warranty Three-year warranty
RoHS Status of Product This product is fully RoHS-compliant.
WEEE Status of Product This product is handled as a B2B (Business to Business) category product. To ensure that the product is disposed of in a WEEE-compliant fashion, it can be returned to the manufacturer. Any transportation expenses for returning this product (at end-of-life) must be covered by the end user, while Meinberg will bear the costs for the waste disposal itself.


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