RF Module
Tx
Rx
CTx1
CRx1
CTx2
CRx2
xxxx Reader
BEEP
LED
CLOCK
DATA
COM
+12V
Wiegand
readers
16 vac in
ADDR
LEDS
Expand Port
SED-901 REMOTE
WIEGAND
R
ea
de
r 1
BEEP
LED
CLOCK
DATA
COM
POWER
MODE
D 9
POWER
CHARGE
LINK
MEMORY
A
B
C
D
on
COPY PROG TEST
S
ig
n
a
l
RS232
@115k in
SD
1
batt Volts
N0
C
N
C
Battery in
RS 485 Port
IN range relay
xxxx Reader
BEEP
LED
CLOCK
DATA
COM
+12V
BEEP
LED
CLOCK
DATA
COM
POWER
on
R
e
a
d
e
r 2
4
w
a
y i/
o
b
o
a
rd
+12 A B GND
+ --
SED-901 REMOTE CONNECTION
DIP SWITCHES
NOTE:
Mode switch sets Master or Remote
and Wiegand or Cardax
1 A off = Remote
2 B off = Wiegand
3 C off = not used
4 D off = on for programing via Serial 8n115k
NOTE: Address switch used for expanders
READER 1 Connections
BEEP=
card reader YELLOW
LED =
card reader LED BROWN
CLOCK=
card reader CLOCK / D0 WHITE
DATA =
card reader DATA / D1 GREEN
COM=
card reader GND or COMMON
+12V=
DC power for card reader RED
READER 2 Connections
BEEP=
card reader YELLOW
LED =
card reader LED BROWN
CLOCK=
card reader CLOCK / D0 WHITE
DATA =
card reader DATA / D1 GREEN
COM=
card reader GND or COMMON
+12V=
DC power for card reader RED
•
Battery in
= 12v back battery 7 amp hr
•
16v AC in
plug pack where required
•
RS 485 Port
not used
Fault relay
Used for RF signal link when in Range
DB 9 Serial
for PC configuration 8,n,1 @115k
RJ 45 EXPANDER Port
Used to link boards via RJ 12 jumper cable
Relay Board Operation
The Relay System is simple - inputs on the
Relay board follow outputs
Example:
If you trigger Input 1 on either
Relay board, it will then trigger Relay 1
on the opposite board
INSTALLATION - SED 901 Wiegand Remote
4
SED-901 MASTER Board Layout & Connections
Note: The SED-901 has dual markings for
MASTER & REMOTE
