IndustrialModemUserGuide
YML3913A 7
ModemControlsandIndicators
Links(Internalcontrols)
LK1 1 Setfactorydefaults
2 Normal
LK2 1 Reserved
LK3 1 Reserved
LK4 1 Reserved
LK5 Reserved
LK6 Reserved
LK7 Reserved
LK8 1 Powerdowndisabled
2 DTRwakeupenabled
None DTRwakeupdisabled
LK9 LinkconnectsRS232shieldtoground
PSTN IN PSTN
OUT LeasedLine
LEDS
DCDDataCarrierDetect(InnerLED)
LEDwillglowwhenthemodemdetectsavalidcarriersignalfromaremotemodem.
PWRPower(OuterLED)
LEDwillglowtoindicatewhenthemodemisturnedon.LEDwillbeoffwhenthemodemisinpowerdown
mode.