iPECS UCP
Hardware Description and Installation Manual Issue 1.3
23
3.1.5.2 BRIM4
The Basic Rate Interface gateway Module (BRIM4) has four (4) ISDN Basic Rate Interface ports
(2B+D). The BRIM4 supports the “T” interface as described by ETSI 300.012 based on the ITU-T
Recommendations I.430, and can be installed in the TE (Terminal Equipment) mode. The BRIM4
includes DSP circuitry for transcoding between various audio codecs.
The BRIM4 includes a 10/100 Base-T Ethernet interface as well as packet voice processing
functions. The Ethernet port incorporates auto MDI, MDIX switching, therefore, both straight and
cross cables can be used.
As shown in Figure 3.1.5.2-1, the front panel of the BRIM4 has:
Power jack for the AC/DC adapter; see 3.1.15 AD/DC adapter –G-
Two (2) green power status LEDs
PWR1 - + 5 VDC
PWR2 - + 3.3 VDC
Normal/Service switch – In Service mode, circuits in use are
busied as they return to idle
One (1) RJ-45 Female LAN connector with Speed and
Link/Activity LEDs
Eight (8) LEDs, two (2) for each BRI Line
DB-9 RS-232 connector
Reset Switch
On the rear panel, the BRIM4 has:
Four (4) RJ-45 female connectors, one for each BRI Line
Ground Lug
Fifty (50)-pin back plane connector
Figure 3.1.5.2-1 BRIM4 Front & Rear Panels
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