Telephone System Installation and Maintenance Guide

66 Chapter 3 Viewing the BCM50 system LEDs
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BRIM LEDs
The BRIM has one additional LED beside each RJ-48C jack. These LEDs are on when the ISDN
line is active. Figure 26 shows the location of the LEDs on a BRIM.
Figure 26 BRIM LEDs
Table 15 describes the functions of the BRIM LEDs.
Table 15 BRIM LED functions
LED Status Descriptions
Power – Refer to “Media bay module LEDs (expansion units only)” for details.
Status – Refer to “Media bay module LEDs (expansion units only)” for details.
Power LED
Status LED