Card Type	T1 CSU/DSU
Chip Set	Unidentified
I/O Options	AC power connector, V.35 DTE port (34-pin connector), 9-pin serial port (RS-232), 25-pin serial port (RS-530), T1 network interface via 15-pin connector
Wiring Type	100ohm shielded twisted pair via 15-pin connector
T1 Transfer Rate	1.544Mbps
T1 Protocol	AMI, B8ZS, B7ZS
Frame type	D4,ESF
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
AC power connector	CN1	DCE/DTE port (34-pin connector)	CN4
9-pin serial port	CN2	Network interface via 15-pin connector	CN5
DCE/DTE port (25-pin connector)	CN3	Power switch	SW2

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Debug self test mode disabled	JP2	Pins 1 & 2 closed
	Debug self test mode enabled	JP2	Pins 2 & 3 closed
»	Default password enabled. Password=FCD-1/X	JP3	Pins 2 & 3 closed
	User password enabled	JP3	Pins 1 & 2 closed
»	Watchdog timer enabled	JP4	Pins 1 & 2 closed
	Watchdog timer disabled	JP4	Pins 2 & 3 closed
»	Signal ground is connected to the frame ground	JP12	Pins 2 & 3 closed
	Signal ground is not connected to the frame ground	JP12	Pins 1 & 2 closed
»	Internal -5V enabled	JP22	Pins 1 & 2 closed
	Grounded to pin 15 in the main link connector (CN5)	JP22	Pins 2 & 3 closed
»	Allows connection of the line controlled by JP22 to pin 15 of main link connector (CN5) for powering external device	JP25	Closed
	Does not allow connection of the line controlled by JP22 to pin 15 of main link connector (CN5) for powering external device	JP25	Open
»	Allows connection of internal +5V, via resistor, to pin 14 of main link connector (CN5) for powering external device	JP26	Closed
	Does not allow connection of internal +5V, via resistor, to pin 14 of main link connector (CN5) for powering external device	JP26	Open

T1 TRANSMIT LEVEL SELECTION
Net build		Label	Position
»	0dB	SW1	1
	7.5dB	SW1	2
	15dB	SW1	3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
RTS	Unidentified	On	RTS signal is high
RTS	Unidentified	Off	RTS signal is low
DCD	Unidentified	On	DCD signal is high
DCD	Unidentified	Off	DCD signal is low
TD	Unidentified	On	CSU/DSU is detecting pulses from the local DTE
TD	Unidentified	Off	CSU/DSU is not detecting pulses from the local DTE
RD	Unidentified	On	CSU/DSU is receiving pulses from network
RD	Unidentified	Off	CSU/DSU is not receiving pulses from network
RED	Unidentified	On	CSU/DSU is detecting a red alarm condition
RED	Unidentified	Off	CSU/DSU is not detecting a red alarm condition
YEL	Unidentified	On	CSU/DSU is detecting a yellow alarm condition
YEL	Unidentified	Off	CSU/DSU is not detecting a yellow alarm condition on
TST	Unidentified	On	CSU/DSU loopback test active
TST	Unidentified	Off	CSU/DSU loopback test not running