Installation Instructions

Integration and Test, RBS 884 Pico (850 MHz and 1900 MHz)
BLODE: DEV=MDVC-576&&-577;
MTBCI: DEV=MDCC-49, CEQ=MBCEQ-800;
5.11 EMRP Bus and PCM Links: Pico 850/1900 MHz
5.11.1 T1 and E1 PCM Links: Pico 850/1900 MHz
The RBS 884 Pico system can use the following PCM links:
• T1 PCM Link: The numbering for the speech time slots on a T1
PCM link starts at 01 and ends with 24 for a total of 24 tim
eslots.
However, only 23 time slots can be used for speech on the first T1
PCM link because time slot 09 is used for the control. If a second
T1 PCM link is added to the RBS 884 Pico system, the co
ntrol
time slot is not required for the second T1 PCM, thus allowing for
24 additional time slots for speech. A T1 PCM link is used in the
example integration shown in Section 9 on page 5
-76
.
Note: MBLT86s and the software function block RILT (se
e Section
5.1.2.4 on page 5-13 ) are used during the integration process if
an RBS 884 Pico system is equipped with a T1 PCM link.
• E1 PCM Link: The numbering for the spe
ech time slots on a E1
PCM link starts at 00 and ends with 31 for a total of 32 time slots.
However, only 30 time slots can be used for speech on the first E1
PCM link because time slot 00 is use
d for synchronization and time
slot 16 is used for control. If a second E1 PCM link is added, the
control time slots are not required for the second E1 PCM, thus
allowing for 31 additional time
slots for speech.
Note: MBLT861s and the software funct
ion block RILT1 (see Section
5.1.2.4 on page 5-13 ) are used during the integration process if
an RBS 884 Pico system is equipped with a E1 PCM link.
For additional informati
on about the speech and control channels for the
EMRPSs and XLIs, see Section 5.9.1.3 on page 5-54 and Section 5.10.1.3
on page 5-59.
5.11.2 Extension Module Regio
nal Processor Bus (EMRP Bus): Pico 850/1900 MHz
The EMRP Bus constitute
s a communication link between a Central
Processor (CP) pair and a Regional Processor (RP). In the RBS 884 Pico, the
EMRP Bus connects the STR, EMRP, and EMRPS in the CRI.
5-62 1532-AE/LZB 119 3834 Uae Rev PA4 2001-04-04