Specifications

Description

Fully duplex audio codec with ISDN and Ethernet 10/100-Base T-connection for remote control and the possibility to distribute audio over networks such as Intranet, ATM, etc. TCP for point-to-point and point-to- multipoint connections, UDP for Broadcast and Multicast modes. Additionally, an X.21 or V.35 interface as well as optionally up to three ISDN interfaces or mixed with POTS interfaces. Configuration and operation directly with the keypad. High resolution graphical display.

Dimensions

19", 2 U, depth: 380 mm, weight: approx. 6 kg,
no fan.

Power Supply

90 ... 240 V AC, 50 - 60 Hz, 0,28 ... 0,13 A,
max. 25 VA

Algorithms

ISO/MPEG 11172-3 Layer 2 (MUSICAM) MPEG 1 & 2
ISO/MPEG 11172-3 Layer 3 MPEG 1 & 2
4SB ADPCM (optionally; in mono or stereo)
AAC (optionally)
aacPLUSTM (optionally)
G.711 (only over ISDN) and
G.722 with H.221 and SRT.

Transmission Rates

Ethernet: 8 ... 384 kbps.

ISDN: n x 64 kbps (n=1 to 6).

X.21: 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 192, 224, 256, 320 or 384 kbps.

Audio Modes

Mono, Dual Mono, Stereo, Joint Stereo

Sampling Frequencies

16, 22.05, 24, 32, 44.1, 48, 64, 88.2 and 96 kHz.

Analog
Audio Interfaces: Input

24 bit, adjustable level range from –4 to 21 dBu, impedance >10 kΩ / 600 Ω. XLR-type female.

Output: 24 bit, adjustable level range from –4 to 21 dBu, impedance <50 Ω. XLR-type male.

Digital
Audio Interfaces

AES/EBU input and output according to IEC 958 prof. Format.

External Sync

DISABLED (Word clock is generated from the ISDN transmission clock)
DIGITAL IN (Word clock is generated from the AES input signal)
SYNC IN (Word Clock is taken over from the SYNC IN)

Sample Rate Converter

(Standard for input and output):
32, 44.1, 48 kHz, 64, 88.2 or 96 kHz.

Ancillary Data

0, 1200, 2400, 4800, 9600 baud

Alarm/Control Interface

8 bit optocoupled bidirectional alarm port and additional RS232 for remote control or ancillary data.

X.21 or V.35

Serial transmission interface (8 .. 384 kbps)

PC Remote Control

With RS232 or USB Full speed. NETControl software for the remote control of one or more OPTICODEC 7600 units over the 10/100 BaseT interface using a PC.

Headroom Adjustment

Via menu from 0...20 dB

Frequency Response

20 Hz to 20 kHz, +0.5/-1 dB.

Signal to Noise Ratio

Weighted >80 dB, unweighted >85 dB.

Distortion (THD+N)

(With a 20 kHz filter, to f=5 kHz) at maximum level <0.06%.

Crosstalk Attenuation

(ratio) at 1 kHz > 100 dB

Phase Error

<1.5 degree

ISDN Interface: RJ45 for S0 connections and RJ11 for U connections.

ISDN S0-Extension: 'Plug In' module for master board.
Extendible up to 3x S0 and 3x U.

ISDN Synchronization

Bonding for MusicTAXI
Sync for CDQPRIMA, CDQ2000 and Telos Zephyr in Stereo (Layer 2), 64 & 128 kbps
Sync for Telos Zephyr in Stereo
(Layer 3), 64 & 128 kbps
AETA Sync for 4SB ADPCM (optionally)
No Sync / No Sync Inverse
G.722/H.221 / G.722/SRT
AUTO

POTs Interface

For analog telephone lines.

ISDN Setting

Selectable via menu:

Own number for operation at private exchange
(sent during connection establishment)
SPID number for operation on U.S. networks
Accept incoming calls (telephone and MPEG):
ALWAYS / NEVER / ASK
Accept incoming calls:
own number (MSN) check YES / NO

Connection Establishment