FOM-T1 modem/telephone/ISDN Settings and Configuration

CONNECTIONS
Purpose	Location	Purpose	Location
DB-15	CN1	Receive fiber	RX
AC power	CN2	Coaxial connector out	OUT
Transmit fiber	TX	Coaxial connector in	IN

CHASSIS TO ELECTRICAL GROUND
Setting	JP1
» Connected	Pins 1 & 2 closed
Disconnected	Pins 2 & 3 closed

INPUT
Setting	SW2
Grounded	Off
» Floating	On

INTERFACE
Setting	SW4
» 100 Omhs-(DB-15) T1	Position 1 on
» 120 Omhs-(DB-15) E1	Position 2 on
75 Omhs-(BNC) E1	Position 3 on

OPTICAL AIS SIGNAL
Setting	SW5
» Off	Off
On	On

OUTPUT
Setting	SW3
Grounded	Off
» Floating	On

RANGE
Setting	SW1
» Short	Off
Long	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
L1	Red	On	Power is on
L1	Red	Off	Power is off
L2	Red	On	Optical signal below -43dBm
L2	Red	Off	All link equipment operating