OSN 7500 OSN3500 High Performance 1550nm FTTH System New Control Communication Boards Fiber Optic Transceivers

Indicators

The front panel of the board has the following indicators:

• Board hardware status indicator (STAT) - two colors (red and green)
• Service activation status indicator (ACT) - one color (green)
• Board software status indicator (PROG) - two colors (red and green)
• Service alarm indicator (SRV) - three colors (red, green, and yellow)
• -48 V power supply indicator of channel A (PWRA) - two colors (red and green)
• -48 V power supply indicator of channel B (PWRB) - two colors (red and green)
• +3.3 V backup power supply indicator of the system (PWRC) - two colors (red and green)
• Alarm mute indicator (ALMC) - one color (yellow)

For the meanings of the status of the indicators, see Indicators.

Interfaces

The front panel of the GSCC has no interface. The AUX and EOW provide interfaces for the GSCC. For details, see AUX and EOW.

The front panel of the N4GSCC/N6GSCC has one warm reset switch and one alarm cut switch. Table 1 describes the types and usage of the switches