Figure 3-36 Panel of the UEIU
Functions
The UEIU performs the following functions:
l Provides two ports with each receiving one path of RS485 signal.
l Provides two ports with each receiving four paths of Boolean signals. The Boolean signals
can only be dry contact or OC signals.
l Transmits monitoring signals and alarm signals from external devices to the main control
board.
Port
The UEIU is configured in slot 18 and provides two RS485 signal ports, each transmitting one
path of RS485 signals, and two Boolean signal ports, each transmitting four paths of Boolean
signals.
Table 3-59 describes the ports on the panel of the UEIU.
Table 3-59 Ports on the panel of the UEIU
Slot
Silkscre
en
Connect
or
Quanti
ty
Description
Slot 18 EXT-
ALM0
RJ45
connector
1 Port for Boolean inputs 0 to 3
EXT-
ALM1
RJ45
connector
1 Port for Boolean inputs 4 to 7
MON0 RJ45
connector
1 Port for RS485 input 0
MON1 RJ45
connector
1 Port for RS485 input 1
3.1.14 UTRP
The universal transmission processing unit (UTRP) is an extended transmission board in the
BBU3900 and provides ports connecting to transmission equipment.
BTS3900C (Ver.C)
Hardware Description 3 BTS3900C Modules
Issue 03 (2013-05-27) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
74
To Next Page
Loading...
Need help?
General