MDF TRUNK CONNECTIONS
TO BRI CARD
MDF CONNECTIONS TO BRI CARD
TWO PAIR TWISTED
SHEATHED STATION CABLE
24 OR 26 AWG
FIGURE 5–8
iDCS 500 Release 2 / OfficeServ
INSTALLATION
TECHNICAL MANUAL
PART 5 MARCH 2004
CUSTOMER-PROVIDED
BRI TRUNK EQUIPMENT
(NT1)
FUNCTION
CIRCUIT
TERM
COLOR
PIN
5
6
28
3
TX TIP
TX RING
2
7
8
W-BR
BR-W
29
4
RCV TIP
RCV RING
2
9
10
W-SL
SL-W
30
5
11
12
31
6
TX TIP
TX RING
3
13
14
R-O
O-R
32
7
RCV TIP
RCV RING
3
15
16
R-GN
GN-R
33
8
17
18
34
9
TX TIP
TX RING
4
19
20
R-SL
SL-R
35
10
RCV TIP
RCV RING
4
21
22
BK-BL
BL-BK
36
11
23
24
37
12
TX TIP
TX RING
1
1
2
W-BL
BL-W
26
1
RCV TIP
RCV RING
1
3
4
W-0
0-W
27
2
Y
G
B
R
BN
O
W
BL
1
3
5
7
2
4
6
8
TO NT1
PAIR
PAIR
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