ComtechTV HE4000, Инструкция по установке и эксплуатации

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HE4000 Encoding System Introduction
2.2 Audio Ports
The HE4000 provides four AES/EBU analog ports and one balanced analog audio port.
2.2.1 Analog Audio
The HE4000 has one balanced analog audio port via a DB-9 connector. The HE4000 ship kit
includes a DB9 to XLR cable adapter.
RS232 Balanced Audio Port Pin Assignments
Pins Signal Direction Definition
1 L+ Audio Left Positive
2 L- Audio Left Negative
3 NC Not Connected
4 R+ Audio Right Positive
5 R- Audio Right Negative
6 Gnd 1 Ground 1
7 Gnd 2 Ground 2
8 NC Not Connected
9 Gnd 3 Ground 3
2.2.2 Digital Audio Ports
The HE4000 has the following four digital audio input ports:
• AES/EBU Audio Input A.
• AES/EBU Audio Input B.
• AES/EBU Audio Input C.
• AES/EBU Audio Input D.
Each port has a female BNC connector with a 75Ω nominal termination. The ports accept
AES/EBU serial digital input that is compliant with ANSIAES3-1992 (ANSI S4.40-1992)
recommendations. The ports are typically configured for two stereo channels.
2.3 Data Ports
The HE4000 provides two auxiliary data ports. One Synchronous and one Asynchronous.
01-0951-404 Rev B 2-5