FCD-1L modem/telephone/ISDN Settings and Configuration

Card Type	T1 CSU/DSU
Chip Set	Unidentified
I/O Options	AC power connector, 25-pin connector (RS-530), T1 network interface via RJ-48 connector
Wiring Type	RJ-48 120ohm shielded twisted pair
T1 Transfer Rate	1536Kbps (supports multiples of 56Kbps or 64Kbps)
T1 Protocol	AMI, B8ZS, B7ZS
Frame Type	ESF, D4SF
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Analog loopback activation push-button	ANA	Digital loopback activation push-button	DIG
Alarm clear push-button	CLR	Maintenance connector	J1
AC power connector	CN1	Test pattern activation push-button	PATT
DTE/DCE serial port (25-pin connector)	CN2	Remote digital loopback activation push-button	REM
Network interface via RJ-48 connector	CN3	Power switch	SW2
Note: FCD-1L also available with DC power connector

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Front panel switches enabled	JP2	Pins 1 & 2 closed
	Front panel switches disabled	JP2	Pins 2 & 3 closed
»	Watchdog enabled	JP5	Pins 1 & 2 closed
	Watchdog disabled	JP5	Pins 2 & 3 closed
»	Debug self test mode disabled	JP7	Pins 2 & 3 closed
	Debug self test mode enabled	JP7	Pins 1 & 2 closed
»	Phantom power feeding is disabled	JP19	Open
	Phantom power feeding is enabled	JP19	Closed
»	Signal ground is connected to the frame ground	JP23	Pins 2 & 3 closed
	Signal ground is not connected to the frame ground	JP23	Pins 1 & 2 closed
»	CTS forced high	S7/3	On
	CTS follows remote RTS	S7/3	Off
»	Fast synchronization timing (1 sec)	S7/4	Off
	AT&T TR-62411 synchronization timing (10 sec)	S7/4	On
»	Multiframe ESF mode enabled	S7/5	Off
	Multiframe D4 (SF) mode enabled	S7/5	On
»	Factory configured - do not alter	S7/8	Unidentified
»	Nx64 mode	S11/1	Off
	Nx56 mode	S11/1	On
»	Loopback timing mode enabled	S11/2	On
	Internal clock mode enabled	S11/2	Off
»	Time slot allocation is sequential, starting from slot 1	S11/3	On
	Data is inserted in alternate time slots, starting from slot 1	S11/3	Off
»	Factory configured - do not alter	S11/4	Unidentified

BAUD RATE
Setting	S6	S9
Unframed	0	0
Operational baud rate set to 1x64	0	1
Operational baud rate set to 2x64	0	2
Operational baud rate set to 3x64	0	3
Operational baud rate set to 4x64	0	4
Operational baud rate set to 20x64	2	0
Operational baud rate set to 21x64	2	1
Operational baud rate set to 22x64	2	2
Operational baud rate set to 23x64	2	3
Operational baud rate set to 24x64	2	4
Note: Multiples of 56Kbps or 64Kbps, up to 24 may be selected, for a maximum of 1344Kbps for multiples of 56Kbps or a maximum of 1536Kbps for multiples of 64Kbps. 25-99 are not used.

DTE INTERFACE
Function	J2	J3	J4	J5
V.35 DTE interface	Open	Open	Board connected	Board connected
RS-422 interface	Board connected	Board connected	Open	Open

IDLE CODE
Setting		S8/1	S8/2	S8/3	S8/4	S8/5	S8/6	S8/7	S8/8
»	Default idle code	Off	Off	Off	Off	Off	Off	Off	Off
Note: On=0, Off=1. Switch S8/1 is the most significant bit. Switch S8/2 is the least significant bit. Values are currently unidentified.

LOOP ACTIVATION
Setting		JP16	JP17
»	Loop activation enabled	Pins 2 & 3 closed	Pins 2 & 3 closed
	Loop activation disabled	Pins 1 & 2 closed	Pins 1 & 2 closed

PORT TIMING
Setting		S7/1	S7/2
	DTE1 port timing	On	On
»	DCE port timing	On	Off
	DTE2 port timing	Off	On

SOUND CONFIGURATION
Net build		S12
»	0dBm	0
	-7.5dBm	1
	-15dBm	2
	-22.5dBm	3

ZERO SUPPRESSION MODE
Setting		S7/6	S7/7
	Transparent suppression	On	On
	B7ZS	On	Off
»	B78S	Off	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Unidentified	On	Power is on
PWR	Unidentified	Off	Power is off
RTS	Unidentified	On	RTS input line is on
RTS	Unidentified	Off	RTS input line is off
TST	Unidentified	On	Device is conducting a test
TST	Unidentified	Off	Device is not conducting a test
ERR	Unidentified	On	Error detected in the test pattern
ERR	Unidentified	Off	Error not detected in the test pattern
RED	Unidentified	On	Red alarm condition detected by local FCD-1L
RED	Unidentified	Off	Red alarm condition not detected by local FCD-1L
YEL	Unidentified	On	Yellow alarm condition detected by remote FCD-1L
YEL	Unidentified	Off	Yellow alarm condition not detected by remote FCD-1L
SES	Unidentified	On	Severe error second detected
SES	Unidentified	Off	Severe error second not detected
MIN	Unidentified	On	Minor alarm condition detected. Remains lit until fault condition disappears, or CLR button is pushed
MIN	Unidentified	Off	Minor alarm condition not detected
MAJ	Unidentified	On	Major alarm condition detected. Remains lit until fault condition disappears, or CLR button is pushed
MAJ	Unidentified	Off	Major alarm condition not detected