ASL INTERCOM VAR8 Product Description

VAR8 and Variants - Product Description
Issue: 02 complete, approved
Page 45 of 54
8.5 RS485 Serial and CAN Bus
RS485
• 2x3 way double stack terminal block (5 mm).
• Lower terminal block.
• Serial control connection for interfacing with Remote I/O units (ASL
product: BMB01) and Fire Alarm Loop Interfaces.
CAN Bus
• 2x3 way double stack terminal block (5 mm).
• Upper terminal block.
• CAN Bus Interface to the system amplifiers.
DXN GND DXP
VAR8
GND
CANH
CANL
CAN Bus (Upper Block)
Signal Description
GND 0 V Reference
CANL Controller Area Network (Low)
CANH Controller Area Network (High)
RS485 (Lower Block)
Signal Description
GND 0 V Reference
DXN Data+ (EIA RS485 9600 baud)
DXP Data– (EIA RS485 9600 baud)
8.6 RS232 Serial
RS232
• 2x3 way double stack terminal block (5 mm).
• In networked system it is internally used. It may temporarily be
disconnected from the network, and then connected to a PC for
configuration purposes.
• In stand-alone system it can be connected to a PC/DVA system.
TX GND RX
VAR8
RTS
CTRL
CTS
Upper Block
Signal Description
RTS EIA RS232 Request to Send
CTS EIA RS232 Clear to Send
CTRL EIA RS232 Data Terminal Ready
Lower Block
Signal Description
GND 0 V Reference
TX EIA RS232 Transmit data (9600 baud)
RX EIA RS232 Receive data (9600 baud)

ASL INTERCOM VAR8 Specifications

General

Brand	ASL INTERCOM
Model	VAR8
Category	Controller
Language	English