Card Type	T1 CSU/DSU
Chip Set	Unidentified
I/O Options	Daughterboard connector
Transfer Rate	56/64Kbps x 23
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
ENTER button	B1	9 and CLEAR button	B15
UP button	B2	# and SHIFT button	B16
DOWN button	B3	RS-232/422 port	CN1
CANCEL button	B4	V.35 port	CN2
1 and A button	B5	T1 line out	CN3
4 and D button	B6	Test line in	CN4
7 and REMOTE button	B7	Test line out	CN5
* and COPY button	B8	Monitor test line	CN6
2 and B button	B9	Daisy chain in	CN7
5 and E button	B10	Daisy chain out	CN8
8 and ALARM button	B11	120V AC power	CN9
0 and HOME button	B12	Fuse, 1 / 2 A @ 250V	R1
3 and C button	B13	Power switch	SW1
6 and F button	B14

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LED1	Red	On	CSU/DSU is being controlled by connected computer
LED1	Red	Off	CSU/DSU is being controlled by front panel
LED2	Green	On	DSU is operating normally
LED2	Green	Off	DSU has detected an error
LED3	Yellow	On	DSU is in test mode
LED3	Yellow	Off	DSU is not in test mode
LED4	Red	On	Alarm condition has occurred on DSU
LED4	Red	Off	Alarm condition has not occurred on DSU
LED5	Green	On	Daughterboard is operating normally
LED5	Green	Off	Daughterboard has detected an error
LED6	Yellow	On	Daughterboard is in test mode
LED6	Yellow	Off	Daughterboard is not in test mode
LED7	Red	On	Alarm condition has occurred on daughterboard
LED7	Red	Off	Alarm condition has not occurred on daughterboard
LED8	Green	On	CSU is operating normally
LED8	Green	Off	CSU has detected an error
LED9	Yellow	On	CSU is in test mode
LED9	Yellow	Off	CSU is not in test mode
LED10	Red	On	Error condition has occurred on CSU
LED10	Red	Off	Error condition has not occurred on CSU
LED11	Red	On	Alarm condition has occurred on CSU
LED11	Red	Off	Alarm condition has not occurred on CSU