ASL INTERCOM VAR8-ACU Series, Руководство по установке

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VAR8-ACU and Variants - Installation Guide
2 Connections
Network Interface Upstream
Signal Description
GND GND ISO. Connection for cable screen
DXP Data Bus+ (EIA RS485 38400 baud)
DXN
Data Bus
−
(EIA RS485 38400 baud)
BUS1+ Audio bus Loop 1 (+20 dBu Analogue audio)
BUS1
− Audio bus Loop 1
BUS2+ Audio bus Loop 2 (+20 dBu Analogue audio)
BUS2
− Audio bus Loop 2
BUS3+ Audio bus Loop 3 (+20 dBu Analogue audio)
BUS3
− Audio bus Loop 3
L
Cabling connector: 9 way female clamp terminal (CAMDEN CTB92HE/9)
Network Interface Downstream
Signal Description
SCRN Connection for cable screen
DXP Data Bus+ (EIA RS485 38400 baud)
DXN Data Bus
−
(EIA RS485 38400 baud)
BUS1+ Audio bus Loop 1 (+20 dBu Analogue audio)
BUS1
−
Audio bus Loop 1
BUS2+ Audio bus Loop 2 (+20 dBu Analogue audio)
BUS2
−
Audio bus Loop 2
BUS3+ Audio bus Loop 3 (+20 dBu Analogue audio)
BUS3
−
Audio bus Loop 3
L
Cabling connector: 9 way female clamp terminal (CAMDEN CTB92HE/9)
Audio Inputs 1 and 2
Signal Description
DXP Microphone Data+ (EIA RS485 19200 baud)
DXN
Microphone Data
−
(EIA RS485 19200 baud)
0V 0 V supply
IN+
Balanced audio input +VE
Level: 0 dBu
Max. Sensitivity:
−
20 dBu Input Impedance: 10 k
Ω
IN
−
As above but
−
VE connection
V+ +V supply (18-36 V)
PTT
−
Press To Talk switch input (internally pulled up to +5 V by 4k7
Ω
)
PTT+
Press To Talk switch input (internally pulled up to +5 V by 4k7
Ω
)
ACO All Call Only LED. Open collector drive, 100 mA max
SN Speak Now LED. Open collector drive, 100 mA max
L
Cabling connector: 10 way terminal block (METWAY 120A11110)
Issue: 02 complete, approved
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