Table 4-29
Ports on the panel of the UEIU
Slot
Label
Connect
or
Quanti
ty
Description
slot 18
EXT-
ALM0
RJ-45
1
No.0 to 3 Boolean signal input ports
EXT-
ALM1
RJ-45
1
No.4 to 7 Boolean signal input ports
MON0
RJ-45
1
No.0 RS485 signal input port
MON1
RJ-45
1
No.1 RS485 signal input port
USCU
This section describes the Universal Satellite card and Clock Unit (USCU).
Panel
There are two types of USCU: USCUb1 and USCUb2, as shown in
and
.
Figure 4-22
Panel of the USCUb1 (0.5 U)
Figure 4-23
Panel of the USCUb2 (1 U)
(1) GPS port
(2) RGPS port
(3) TOD port
(4) M-1PPS port
(5) BITS port
Functions
The USCU has the following functions:
BTS3900
Hardware Description
4 BTS3900 Components
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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