LEGRAND tynetec Advent XT User Manual

Doc No. FM0410 issue N Page 44
31. NETWORK DATA REPEATER INSTALLATION
The Network Data Repeater (P/No. ZXT340) can be connected
into the Advent xt RS485 network to boost the data signal
on cable runs over 1200 metres.
POWER IN ➔
RS485 DATA IN ➔
RS485 DATA OUT 
INSTALLATION
The Network Data Repeater is housed in a wall mounted ABS enclosure; 85 x 170 x 35 mm (HxWxD).
TERMINATION
The 24V & 0V power connection can be taken from the Advent xt network.
Cut the Advent xt network data wires (TX+/TX-) at a point before the signal begins to fail.
Connect TX+/TX- FROM the Advent xt controller into the RS485 IN terminals
Connect the remaining Advent xt network data wires TX+/TX- into the RS485 OUT terminals.
LINK SETTINGS
LK1-LK4 will normally be fitted in position “A”. Only move if advised by Tynetec Technical Support.
Link No.
Function
Link Position “A”
Link Position “B”
LK1
RS485 IN +
1K2 pull-up
open circuit
LK2
RS485 IN -
1K2 pull-down
open circuit
LK3
RS485 OUT +
1K2 pull-up
open circuit
LK4
RS485 OUT -
1K2 pull-down
open circuit
DIL SWITCH SETTINGS
SW1 allows a different end of line (EOL) resistance to be set on the RS485 IN terminals depending on the number of
network legs connected to the Advent xt controller.
DIL SW1
Function
DIL Switch OFF
DIL Switch ON
1
RS485 IN EOL 1 Leg
open circuit
120 ohm
2
RS485 IN EOL 2 Legs
open circuit
270 ohm
3
RS485 IN EOL 3 Legs
open circuit
390 ohm
4
RS485 IN EOL 4 Legs
open circuit
680 ohm
SW2 allows a different end of line (EOL) resistance to be set on the RS485 OUT terminals. This is normally left open
circuit. Only move if advised by Tynetec Technical Support.
DIL SW2
Function
DIL Switch OFF
DIL Switch ON
1
RS485 OUT EOL 1 Leg
open circuit
120 ohm
2
RS485 OUT EOL 2 Legs
open circuit
270 ohm
3
RS485 OUT EOL 3 Legs
open circuit
390 ohm
4
RS485 OUT EOL 4 Legs
open circuit
680 ohm

LEGRAND tynetec Advent XT Specifications

General

Brand	LEGRAND
Model	tynetec Advent XT
Category	Security System
Language	English