User's Manual
Page | 13
Two types of Reader Interface are provided, Wiegand interface and ASIS RS485
protocol. Note that each has a different terminal point and methods.
The P908 Controller auto detect the type of Reader in use. No software or hardware
setting is required.
For Wiegand Interface, 4 standard card bit format is supported. Wiegand 26bit, 35bit,
37bit and 32bit. The 32bit supports the Asis Mifare 4 byte (32bit) Type A Card. A
custom card bit format is available to define by user and must be defined in IBSS
software.
3.1 P908 Wiegand Interface
Wiegand reader termination points are on the right panel label Wiegand 1 to Wiegand
8.
P908
2
1
WIEGAND1 WIEGAND3 WIEGAND5 WIEGAND7 USB
CANbus( DEV)
RS485(DEV) POWERFIRE
DETECT STATUS
InstaStart
WIEGAND2 WIEGAND4 WIEGAND6 WIEGAND8
FIRE
GND
BTYL
ACF
GND
DC IN
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
GND
D0
D1
ERL
OKL
BUZ
V+
DEV +
S CN
DE V -
CA N+
SCN
CAN-
Signal
Function For
12V
Supply to reader
Wiegand Reader 1
to Wiegand Reader
8
GND
WDO
Wiegand DO Signal In
WD1
Wiegand D1 Signal In
OKL
Green LED Out
ERL Red LED Out
BUZ Buzzer Out