DRA-2 UNIVERSAL COMMUNICATION NODE
25/158
USER GUIDE - Rev.5 (January 2018)
3
LED SIGNALLING
The front of the DRA-2 equipment has two basic LEDs and several specific LEDs
associated with the WAN (GPRS/UMTS) and/or MV-PLC interfaces.
FIGURE 11 shows a view of the DRA-2 with WAN (GPRS/UMTS) interfaces as a main
option, while FIGURE 12 shows DRA-2 equipment with PLC-MV interfaces as a main
option.
Access to the LEDs associated with the basic Ethernet interfaces is possible after raising
the plastic cover. FIGURE 13 shows a detail of those LEDs.
FIGURE 11
DRA-2 with WAN (GPRS/UMTS) or cable modem (HFC modem) interfaces
ON LED
Red. It is permanently lit when the
equipment is powered with an external
power-supply voltage.
Srv LED
Amber. It flashes when there is emission or
reception activity by the SRV serial service
interface.
Содержание DRA-2
Страница 117: ...DRA 2 DRA 2 UNIVERSAL COMMUNICATION NODE 117 158 USER GUIDE Rev 5 January 2018 APPENDIX A BIBLIOGRAPHY AND ABBREVIATIONS...
Страница 122: ...DRA 2 DRA 2 UNIVERSAL COMMUNICATION NODE 122 158 USER GUIDE Rev 5 January 2018 APPENDIX B DATA STRUCTURE IN CLI...
Страница 156: ...DRA 2 DRA 2 UNIVERSAL COMMUNICATION NODE 156 158 USER GUIDE Rev 5 January 2018 APPENDIX C WIDEBAND PLC COUPLERS...