Toshiba Strata DK 280 Installation Manual page 295

Digital business telephone system
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Pair
1T
R
2T
Pin
26
1
27
Color
Code
W-BI
BI-W
w-o
Lead
PSTU PCB
Designation
Function
Position
T
TIP-TEL
#l
R
RING-TEL
#l
T
TIPmU/RSTU/RDSU
#l
l-U/RDSU
#1
R
4
Br-W
5T
30
w-s
R
5
s-w
6T
31
R-BI
R
6
BI-R
7T
32
R-O
R
7
O-R
8T
33
R-G
R
8
G-R
R
1 RING-PST1
T
1 TIP-TEL
#3
R
1 RING-TEL
#3
T
TIP-PSTU/I
RSTUIRSTS
#3
R
RING-PST1
LJ/RSTU/RSTS
#3
T
TIP-TEL
R
RING-TEL
T
TIP-PSTU/RSTU/RSTS
R
RING-PSTU/RSTU/RSTS
20T
45
I
Y-S
I
SPARE
I
R
I
!
S-Y
I
20
SPARE
I
.-.
' -'
I
I
1
Br-Y
1
I
R
21T
46
V-BI
SPARE
R
21
BI-V
SPARE
22T
47
v-o
SPARE
R
22
o-v
SPARE
23T
48
V-G
SPARE
R
23
G-V
SPARE
24T
49
V-Br
SPARE
R
24
Br-V
SPARE
25T
50
v-s
SPARE
R
25
s-v
SPARE
Figure
7-I 6
DPFT
Connector
J2/Terminal
Sequence
& Designations/Station
Line Connection
DKOOPO
I
January
1996
7-21

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