4 digital audio specifications, 1 110 ohm balanced routers, 2 75 ohm unbalanced routers – Nevion VikinX Sublime series Rev.W User Manual
Page 8

VikinX Sublime Digital Audio Routers
Rev. W
nevion.com | 8
Ethernet port:
10/100BaseT Ethernet bus for external router control.
Connector:
RJ45.
Synchronization
1
:
-
Analog Black&Burst, looped. Both PAL and NTSC
supported.
-
Tri-Level, Looped. For HD signal formats only.
-
Distribution of synchronization signals between
several routers.
Connector(s):
BNC.
Optional Features:
Control Panel:
-
Optional, built-in control panel available.
-
External control panels available.
2.4 Digital Audio specifications
Reference inputs1:
Number of inputs:
1.
Connector:
75 ohm BNC female, loop-thru.
Return loss:
>40dB (100 kHz
– 5 MHz);
>35dB (5-10 MHz).
Signal format:
NTSC or PAL Black&Burst.
Signal level:
Nominal 1.0Vp-p.
Field selectivity:
Field 1.
Timing range:
-
PAL: within clock-intervals (27MHz) 565
– 835
in line 6
-
NTSC: within clock-intervals (27MHz) 565
– 835
in line 10.
2.4.1 110 ohm balanced routers
Supported formats:
Broadcast:
-
AES3 Balanced Digital Audio
-
LTC time code.
Electrical signal specifications:
Connector:
DB25 female.
Input Impedance:
110 ohm ±20%.
Output impedance:
110 ohm ±20%.
Input level tolerance:
200mVpp to 7Vpp.
Output level:
2Vpp < Vo < 7Vpp.
Output jitter:
< 0.025UI.
2.4.2 75 ohm unbalanced routers
Supported formats:
Broadcast:
-
AES Unbalanced Digital Audio
-
LTC time code.
Electrical signal specifications:
Connector:
75 ohm BNC female.
Input Impedance:
75 ohm nominal.
Output impedance:
75 ohm nominal.
Input level tolerance:
200mVpp to 7Vpp.
Output level:
2Vpp < Vo < 7Vpp.
Output jitter:
< 0.025UI.
1
Synchronization of an audio router is not necessary, but an available feature for users who intend to switch this router
synchronized to video, using video synchronization signals.