Appendix A Outdoor BBU+RSU Cabinet
100–ohm T1 Cable
Function
The 100–ohm T1 cable (T1-91223-001) transmits T1 signals be-
tween Abis interfaces or cascaded
BTS
s.
Appearance
The 100–ohm T1 cable (T1-91223-001) supports at most 8 T1s.
End A of the cable is a 44–core injection moldering connector and
end B is bare.
Figure 114
shows the appearance of the cable.
F
IGURE
114 100–
OHM
T1 C
ABLE
A
PPEARANCE
Connection
Description
Table 69
gives the pin description of the 100–ohm T1 cable (T1-
91223-001).
T
ABLE
69 100–
OHM
T1 C
ABLE
(T1-91223-001) P
IN
D
ESCRIPTION
Signal
Definition
Pin No. of End
A
Cable Color
Wire Pair of
End B
O_TIP_0
25
White
1 (TX0+)
RING_0
24
Blue
1 (TX0–)
I_TIP_0
23
White
2 (RX0+)
RING_0
22
Orange
2 (RX0-)
O_TIP_1
4
White
3 (TX1+)
RING_1
3
Green
3 (TX1–)
I_TIP_1
2
White
4 (RX1+)
RING_1
1
Brown
4 (RX1-)
O_TIP_2
8
White
5 (TX2+)
RING_2
7
Gray
5 (TX2–)
I_TIP_2
6
Red
6 (RX2+)
RING_2
5
Blue
6 (RX2-)
O_TIP_3
12
Red
7 (TX3+)
RING_3
11
Orange
7 (TX3–)
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