Baldwin Boxall BVR16M, Руководство по эксплуатации

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Issue 1 Software iss BVAM8-7
Communications to Central Equipment
The Microphones as supplied are fitted with a 3 metre leads that should be terminated to Fire Proof
cabling (MICC / FP200 or similar) for connection to the Central Equipment.
It is strongly recommended that separate cables be used for the audio pair to eliminate potential
interference from the data signal.
Function Colour
0V Black
Speech Audio Pair Orange
Speech Audio Pair Yellow
+24V Red
All Call * Purple *
RS 485 Data pair Green
RS 485 Data pair Blue
EMC Ground Screen
Not used Brown
Not used Pink
Not used White
MICROPHONE SIGNAL Balanced audio at +10dBM (2.5V) from a source impedance of 400R.
DATA SIGNAL 9600 baud half duplex RS485
Microphone capsule and signal paths are monitored using a 20KHz signal.
Data signal path is monitored using parity checking and hand shaking techniques.
Micro Controller: PIC17C43 with watchdog restart.
Microphone Type: Capsule 200 Ohms Dynamic noise cancelling, or
Fist mic with PTT . 1.8m coil cord
Frequency Response: 100Hz – 5kHz
Sizes:
Front Panel Size Bezel Size Bezel Cut-out Size
Mic Type H L W L W L W
BVR16M 80mm 306mm 180mm 337mm 211mm 317mm 191mm
BVR32M 80mm 536mm 180mm 566mm 211mm 546mm 191mm
BVR48M 80mm 726mm 180mm 756mm 211mm 546mm 191mm
BVR64M 80mm 536mm 348mm N/A N/A N/A N/A
+24V
SPEECH AUDIO
DATA - RS485
ALL CALL*
0V
0V
4 CORE
2 CORE
* Emergency All Call feature only when fitted