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Mounting and Connection Instructions - Door module RS485
17
6.1
Description of fuse, jumpers and LEDs
6.1.1 Fuse
SI1
Fuse (250 mA) for reader voltage supply.
6.1.2
Jumpers for level definition
According to the used reader set up the level definition “pull down” or “pull up”. Information on the level
definition can be found in the “Mounting and Connection Instructions” of the used reader. Using Wiegand
readers normally the level definition is to be set to “pull up”.
ST1:
Level definition Clock/Data for reader 1
ST2:
Level definition Clock/Data for reader 2
6.1.3
Jumpers for Cover contact / tear-off contact
Jumper J1:
Setting of JP1 will switch off (bypass) the cover contact. With door
module Item no. 026594.10 , the cover contact of the housing is located
to this terminal.
Jumper J2:
JumperJ2 factory setting.
6.1.4
Jumper for RS-485 interface
Jumper J4 and J5 set the RS-485 terminating resistors. They are to be set only when door module is installed as
last bus-user of the bus data line.
6.1.5
Connection tamper contact reader (TC)
Cover contact connection for external reader or other devices. The
input is monitored for 12k1 ± 40%. The input must be terminated
with 12k1 (end-of-line resistor), even if it is not used.
6.1.6 LEDs
LED 1 Data:
LED flashes – Communication with ACS-8 active.
LED blinks permanently – no communication to ACS-8.
LED 2 Operation:
LED on if operating voltage exists.
Содержание 026593.10
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