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10
1.5 Connection Figure of ISDK-26 System
F 9934
Power Card
2A
F9953
Trunk
Card
FUSE
ON
PLC .
P2
P4
P8
3A
Fuse
Fuse
Battery
Connector
F9931 V2.2 CPU
Output hole of the cable
Ground
UD-2150
Caller-ID
Card
3A
F9802 Digital Station Card,
F9953/F9803 Trunk Card,
F0038/F9808C Single Line
Telephone Card, F9910
doorphone Card, F0854
Voice Mail Card, F0859 IP
Card. (Max. installed 3
cards)
External
Hold Music
F9858 DSP
Card (for
F9931 V2.2
Only)
R
S
-2
3
2
C
o
n
n
e
c
to
r
GND
K1
-
+
1
4
3
2
O
N
DIP
U8
U7
STA
connect to Digital key telephones
L0
L0
1
st
-Red, Green
2
nd
-Yellow,Black
2 CO
connect to trunk lines
STA8 (16)
Connect to digital
phones
Trunk line
L1
L1