User guide

20 MultiModemISI Hybrid Server Cards, ISIHP & ISIHI Series
Hardware Installation
LED Indicators
The mounting brackets for the various ISI cards are similar, but the LEDs
are labeled differently. Below, and on the next page, are graphics for each
bracket along with descriptions of the LED indicators.
ISIHP-4U LEDs (one LED per BRI)
 Flashes between OFF and RED to
indicate that neither SPID for that
ISDN line has been verified.
 Flashes between RED and GREEN
to indicate that one SPID is correct.
 A solid GREEN display indicates
that both SPIDs are correct.
ISIHP-4S/4SD LEDs (one LED per BRI)
 Solid GREEN indicates normal operation.
 Flashes between RED and GREEN
to indicate that the device has been reset.
Line 1
1
3
LINE 1
2
4
Line 2
Line 3
Line 4