Appendix A Outdoor BBU+RSU Cabinet
11. Note 11: Pin 40 of end A is soldered with the white core in the (white and
blue) twisted pair and pin 40 of end B1 with the white core in the (white and
orange) twisted pair.
75–ohm E1 Cable
Function
75–ohm E1 cables (E1-91225-001 and E1-91225-002) transmits
E1 signals between Abis interfaces or cascaded
BTS
s.
Appearance
End A of the cable is a 44–core injection moldering connector and
end B is bare.
Figure 110
shows the structure of the 75–ohm E1
cable (E1-91225-001) and
Figure 111
shows the structure of the
75–ohm E1 cable (E1-91225-002).
F
IGURE
110 75–
OHM
E1 C
ABLE
A
PPEARANCE
(8E1)
The E1-91225-001 cable supports at most 8 E1s and comprises
two 8–core micro coaxial cables between which the labelled cable
provides E1s 1to 4 and the cable without label provides E1s 5 to 8.
F
IGURE
111 75–
OHM
E1 C
ABLE
A
PPEARANCE
(4E1)
Connection
Description
The E1-91225-002 cable supports at most 4 E1s.
Table 65
and
Table 66
give the pin description of 75–ohm E1 cables
(E1-91225-001 and E1-91225-002).
T
ABLE
65 75–
OHM
E1 C
ABLE
(E1-91225-001) P
IN
D
ESCRIPTION
(8E1)
Signal
Definition
Pin No. of End A
Cable Sequence No.
RX0–
22
1–1–outer
RX0+
23
1–1–inner
Confidential and Proprietary Information of ZTE CORPORATION
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Содержание CDMA Outdoor Basestation-8900
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