Harman BSS Soundweb London BLU-103, Installation Manual, Page: 13 / 16

7
Technical Specifications
FRONT PANEL LED INDICATORS
Input/Output:
Signal Clip, Signal Present, 48V (input only), Off Hook (OH)
Other:
Control link status and activity for Ethernet and RS-232 connections (COM); Device
configuration status (STAT); Error (ERR); Power/Locate (PWR)
ANALOGUE INPUTS
Connectors:
10 electronically balanced on Phoenix/Combicon removable screw connectors
Mic/Line Inputs:
Nominal gain 0dB, electronically switchable up to +48dB, in +6dB steps
Input impedance:
3�0kOhm
Maximum input level:
+20dBu with 0dB input gain, (+8dBu with 12dB gain)
Frequency Response:
20Hz to 20kHz +/-0�5dB, balanced, 150 ohm
Dynamic Range:
111dB, 20Hz to 20kHz, A-weighted: 108dB unweighted
CMRR:
>75dB at 1kHz
Equiv. Input Noise (EIN):
<-125dBu typ� with 150 Ohms source
Phantom power:
48V nominal, selectable per input
A/D Latency:
37/Fs [0�77ms@48k]
AEC:
Up to 8 channels of AEC processing
AEC Processing Latency:
2385/Fs [49�69ms@48k]
Tail Length:
200 ms
Convergence Rate:
49 dB/s (Average convergence rate)
TELEPHONY
Supported Features:
Two concurrent, independent calls
Caller ID, hold capability, redial, 16-entry speed dial
Adjustable auto-answer
VoIP
Supported Features:
SIP v2 (RFC 3261 and companion RFCs)
SIP authentication
Voice activity detection
Dynamic jitter buffer
Static DHCP IP address assignment
Suported Codecs:
G.711μ-law, G.711A-law, G.722, G.729AB, DV14 HD, G.726 fixed payload, and
DV14 Narrowband
ANALOGUE OUTPUTS
Connectors:
8 electronically balanced on Phoenix/Combicon removable screw connectors
Maximum Output Level:
+19dBu
Frequency Response:
20Hz to 20kHz (+0�5/-1dB)
THD:
<0�01% (20Hz to 20kHz, +10dBu output)
Dynamic Range:
108dB typ� (22Hz to 22kHz unweighted)
Output Impedance:
40 Ohms balanced and 20 Ohms unbalanced
Crosstalk:
<-75dB
D/A Latency:
29/Fs [0�60ms@48k]
CONTROL PORTS
Inputs/Outputs:
12 inputs and 6 outputs
Control Input Voltage:
0 to 4�5v
Control Input Impedance:
4�7kOhms to +5V (2-wire mode) >1MOhm (3-wire mode)
Logic Output Voltage:
0 or +5V unloaded
Logic Output Impedance:
440 Ohm
Logic Output Current:
10mA source, 60mA sink