Appendix A Outdoor BBU+RSU Cabinet
Jumper
Jumpers Type
ID Setting
OFF means cable shield is hanging (not
connected)
BSC_TR6, set 6th E1/T1 channel TRING_6
(Transmiting).
ON means cable shield is connected to
grounding terminal;
OFF means cable shield is hanging
(not connected).
BSC_RR6, set 6th E1/T1 channel RRING_6
(Receiving).
ON means cable shield is connected to
grounding terminal;
OFF means cable shield is hanging
(not connected).
BSC_TR7, set 7th E1/T1 channel TRING_7
(Transmiting).
ON means cable shield is connected to
grounding terminal;
OFF means cable shield is hanging
(not connected).
X4
RRING, TRING
setting of the
6th/7th E1/T1
channel
BSC_RR7, set 7th E1/T1 channel RRING_7
(Recieving).
ON means cable is grounded by means of
capacitor;
OFF means cable shield is hanging (not con-
nected)
MODE_ABIS<1> and MODE_ABIS<0> are
used to configure the matched impedance
of uplink and down link E1/T1:
00: E1-75 ohm (default)
01: E1-120 ohm
10: T1-100 ohm
11: reserved
MODE_ABIS<3> are used to configure up-
link E1/T1 long and short cables:
0: uplink short cable
1: uplink long cable
X5
Abis Mode Set-
ting
MODE_ABIS<2> are used to configure
downlink E1/T1 long and short cables:
0: downlink short cable
1: downlink long cable
Sets the BDS rack ID. Supports eight cas-
cades of BDS rack at most.
X6
BDS_ID Setting
BDS_ID<2>, BDS_ID<1> and BDS_ID<0>
configuration ranges from “000” to “111”
while MBDS is configured as “000” by de-
fault.
Confidential and Proprietary Information of ZTE CORPORATION
101
Содержание CDMA Outdoor Basestation-8900
Страница 6: ......
Страница 7: ...Preface Confidential and Proprietary Information of ZTE CORPORATION i ...