Metel TWA-ATX-PoE-BOX Operating and maintenance instructions

Audio Amplifier for ECT-M Microphones with LINE OUT
TWA-ATX-PoE-BOX
Audio
www.metel.eu
www.metel.eu www.metel.eu www.metel.eu
1/3
Compatible with MIDSPAN PoE (IEEE802.3af/at)
or 48VDC: pins 4,5 / 7,8
2x fast ethernet port 10/100 BASE-T
Microphone input compatible with TWA-ECT-M
LINE-OUT compatible with IP cameras LINE-IN
(balanced / unbalanced)
ALC and noise reduction
0...100m
0...1m
TWA-MIC-ECT-M
Direct connections to the IP camera
0...1000m
0...1m
TWA-MIC-ECT-M
Audio transmission via twisted pair cable
MIC cable
LEGEND
UTP cable
TYPE: TWA-ATX-PoE-BOX
CODE: 3-100-725
M IC I N
BAS+
GND
BAS-
BAS+
GND
BAS-
Line OUT
Twist OUT
TWA-ATX-PoE-BOX
Line OUT output for direct connection of end devices with
AUDIO LINE IN (IP cameras, DVRs)
Twist OUT output for connecting remote audio receiver (TWA-
Rx and TWA-Rx8)
and the subsequent end devices - see Picture 2
MIC IN input for connecting an electret microphone
PoE PSE**
LINE OUT
Twist OUTECT IN
ECT IN
ELECTRET MIC AMPLIFIER
10/ 100 BAS E-T
PoE
1 0/ 10 0 BAS E- T
PoE
100 BASE-TX
PoE pins: 4,5 / 7,8
100 BASE-TX
PoE pins: 4,5 / 7,8
BAS-
GN D
BAS +
OUTPUT CONNECTION
LINE IN
BAS-
BAS+
PoE PD**
** PoE-PSE = PoE Power Supply Equipment with MIDSPAN-POE
output (Injectors, LAN-RING, LAN-BUS switches)
PoE-PD = PoE Powered Device
ATX ECT-M
BAS-
GND
TWA-ATX-PoE-BOX* 3-100-725 PoE, 48VDC
Recommended accessories
BREAK-TWA-MIC-ECT-M 3-100-724 Electret microphone
* DIN35-LOCK holder for mount ing to DIN 35 inclu ded
ORDERING NAME CODE NOTE

Quick Installation Manual REV:201606
TWA-ATX-PoE-BOX
Audio Amplifier for ECT-M Microphones with LINE OUT
www.metel.eu
www.metel.eu www.metel.eu www.metel.eu
2/3
Installation
1. Mounting
Mount the ATX module to the desired place, either to flat surface or to a DIN35 rail.
2. Connect supply
ATX modules can be supplied over data cable using PoE (IEEE 802.3af ) / PoE+ (IEEE 802.3at) standards or by 48VDC connected
to any LAN 10/100BASE-T port.
3. Connect Electret microphone
Connect TWA-MIC-ECT-M into a 3.5mm JACK MIC IN.
4. Connect audio end device
Connect required audio device according to the pictures on the previous page.
Technical parameters
TYPE: TWA-ATX-PoE-BOX
CODE: 3-100-725
M IC I N
ELECTRET MIC AMPLIFIER
1 0/ 10 0 BAS E- T
PoE
1 0/ 10 0 BAS E- T
PoE
BAS-
GN D
BAS +
TYPE: TWA-ATX-PoE-BOX
CODE: 3-100-725
M IC I N
ELECTRET MIC AMPLIFIER
1 0/ 10 0 BAS E- T
PoE
1 0/ 10 0 BAS E- T
PoE
BAS-
GN D
BAS +
Pins: 4,5 +/-
48VDC
Pins: 7,8 +/-
Pins: 4,5 +/-
PoE
Pins: 7,8 +/-
Pins: 4,5 +/-
PoE
Pins: 7,8 +/-
MIC-ECT-M Bandwidth  Hz
Supply BIAS
Environment Operational range  oC (MIC)
Mechani cal Dimensio ns - w / h / l ATX: 52 / 32 / 82 mm
Parameters MIC: 34 / 30 / 100 mm
The producer retains the right to change any technical parameters without previous announcement.
SNR Min. 60 dB
Consumption Max. 1.5 mA
Parameter Value Unit Note
TWA-ATX modules Bandwidth   Hz
Supply MIDSPAN PoE: pins 4,5 / 7,8 IEEE 802.3af/at
48 VDC LAN: pins 4,5 / 7,8
Consumption Max. 0.8 W
Overvoltage protections Fine supply input and LIN E-OUT

Quick Installation Manual REV:201606
TWA-ATX-PoE-BOX
Audio Amplifier for ECT-M Microphones with LINE OUT
www.metel.eu
www.metel.eu www.metel.eu www.metel.eu
3/3
60.00
70.00
51.50
30.00
51.50
70.00
51.50 51.50
30.00
Dimension TWA-ATX-PoE-BOX