Industrial Modem MIU56 User Guide
MIU56Robert Way Page 6 2/28/2003
Modem Controls and Indicators
Links (Internal controls)
LK1 1 Set factory defaults
2 Normal
LK2
1 Reserved
LK3 1 Reserved
LK4 1 Reserved
LK5 Reserved
LK6
Reserved
LK7 Reserved
LK8 1 Power down disabled
2 DTR wakeup enabled
None DTR wakeup disabled
LK9 Link connects RS232 shield to ground
PSTN IN PSTN
OUT Leased Line
LEDS
DCD - Data Carrier Detect (Inner LED)
LED will glow when the modem detects a valid carrier signal from a remote modem.
PWR - Power (Outer LED)
LED will glow to indicate when the modem is turned on. LED will be off when the modem is in power down
mode.