12G-AM Mini-Converter v1.0 24 www.aja.com
Fiber Output (12G-AM-T-ST)
• 1x 12G-SDI Fiber ST connector, SMPTE 297/259/292/424/2081/2082
• Nominal Wavelength: Tx 1260 nm (min), 1310 nm (typ), 1360 nm (max)
• Optical Power: -5 dBm (min), 2 dBm (max)
• Extinction Ratio: 3.4 dB (min)
Cable Equalization
(Belden 1694A coax)
• 12 Gbps, 65m
• 6 Gbps, 125m
• 3 Gbps, 190m
• 1.5 Gbps, 200m
• 270 Mbps, 405m
Video Path Delay
Video Out is a delayed, reclocked version of Video In, at same frame rate, etc.
Video Out is undefined when no input.
• Video Latency, time measured between video input and video output
connector:
• 12G = 3.2 µsec
• 6G = 3.2 µsec
• 3G level A = 3.2 µsec
• 3G level B-DL = 6.3 µsec
• HD (1.5 Gb) = 6.3 µsec
• SD (270 Mb) = 17.2 µsec
Audio Inputs and Outputs
• AES PCM audio, 1x 25 pin D female connector on converter, 8-channels in,
8-channels out, selectable in pairs
• Breakout cable provided with 1x 25 pin D male connector:
• 4x XLR female input breakout connectors (AES3 110 ohm)
• 4x XLR male output breakout connectors (AES3 110 ohm)
Audio Data Formats
• AES3-2003
Embedded Audio
• SMPTE 272M (SD): 20-bit, 48 kHz synchronous
• SMPTE 299M (3G/HD): 24-bit, 48 kHz synchronous
• Incoming embedded audio can be passed, removed, or overridden
• Up to 16 channels supported
Note: 2048x1080p/PsF 29.97 and 30 formats support a maximum of 8-channels
embedded audio.
Embed Path Audio Latency
(time measured between audio input and video output connector):
• 1500 µsec (SRC ON)
• 400 µsec (SRC OFF)
Disembed Path Audio Latency
(Time measured between video input and audio output connector):
• 210 µsec
