Chapter 12 Board Installation
12-9
Slot ID
BIM Version
Interface
Name
Description
Control stream communication interfaces between the MBDS and the
SBDS0, consisting of a master one and a slave one.
Cascading data interfaces between the MBDS and the SBDS0 for the system
clock, circuit clock, control reset line, HW signals and order-wire signals.
Notes: When cascaded with the SBDS3, the control stream/media stream
communication interface does not star-connect to the MBDS, but cascades
with SBDS0-SBDS2.
7
BIM2
SBDS3
Cascading data interfaces between the MBDS and the SBDS1 for the system
clock, circuit clock, control reset line, HW signals and order-wire signals.
8
BIM3
EXTEND
The daisy chain cascade of the BTS uplinks, or the expanded access interface
of the external equipment (when the SNM is configured, provide up to 8XE1
accesses).
Also the expanded E1 interface of the BTS uplinks for up to 16 E1s.
FE debugging interfaces of the BTS control stream, the direct access points
of LMT.
FE debugging interfaces of the BTS media stream.
BTS order-wire telephone interface.
9 BIM4 RFS
TEST
The LRFS electrical interface for the system clock, RF reference clock,
baseband – RF interface data, and the control reset line.
10
Null
The location for the BIM6 fiber spooler, covered by a fake panel.
11
BIM6
RRFS
Six pairs of optical ports that are connected with the RRFS. The master RIM
supports 6 pairs (fixed).
12
BIM6
RRFS
Six pairs of optical ports that are connected with the RRFS. The master RIM
supports 6 pairs (fixed).
PWS electrical interface for the RS485 communication interface, control
reset cable, and single-chip remote download cable.
The external expanded RS232/RS485 interface.
External sensor interface for temperature, humidity, smog, flooding, and
access control of the equipment room.
Expanded Boolean input interface.
13 BIM5 PWS
EM
The GPS interface in compliance with the specifications of the Ministry of
Posts and Telecommunications.
12.4.2 Interface Board Diagram
The structure of the interface board at the back is shown in Fig. 12.4-2.
Summary of Contents for ZXC10 BTSB I1
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