Card Type	E1 CSU/DSU
Chipset	Unidentified
E1 Transfer Rate	2.048Mbps
E1 Protocol	Unidentified
Frame Type	Unidentified
Data Bus	Serial

CONNECTIONS
Function	Label	Function	Label
PREVIOUS button	BT1	V.24 DCE serial control port	CN5
NEXT button	BT2	V.24 DTE serial control port	CN6
ESCAPE button	BT3	RS-449, V.35, V.36, or X.21 serial data port 1	CN7
SELECT button	BT4	RS-449, V.35, V.36, or X.21 serial data port 2	CN8
Monitor receive port	CN1	AC power in	CN9
Monitor transmit port	CN2	LCD display	LCD
E1 line out (network interface)	CN3	PCMCIA slot	SL1
RS-422 auxiliary clock port	CN4
Note:Standard RS-449, V.35 and X.21 serial ports are available on included adapter cables.

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TXD	Yellow	On	Data port indicated by LED1-2 is receiving data from network
TXD	Yellow	Off	Data port indicated by LED1-2 is not receiving data from network
RXD	Yellow	On	Data port indicated by LED1-2 is transmitting data to network
RXD	Yellow	Off	Data port indicated by LED1-2 is not transmitting data to network
CTS	Yellow	On	Data port indicated by LED1-2 CTS is high
CTS	Yellow	Off	Data port indicated by LED1-2 CTS is low
RTS	Yellow	On	Data port indicated by LED1-2 RTS is high
RTS	Yellow	Off	Data port indicated by LED1-2 RTS is low

DIAGNOSTIC LED(S) (CON’T)
LED	Color	Status	Condition
1	Yellow	On	TXD, RXD, CTS, and RTS LEDs indicate status of data port 1
1	Yellow	Blinking	Loss of Signal detected on data port 1
1	Yellow	Off	TXD, RXD, CTS, and RTS LEDs do not indicate status of data port 1
2	Yellow	On	TXD, RXD, CTS, and RTS LEDs indicate status of data port 2
2	Yellow	Blinking	Loss of Signal detected on data port 2
2	Yellow	Off	TXD, RXD, CTS, and RTS LEDs do not indicate status of data port 2
DATA	Green	On	Valid data signal detected on E1 network interface
DATA	Green	Off	No valid signal detected on E1 network interface, E1 signal is out of synchronization, All Ones Signal detected, Bit Error Rate is greater than 10 -3 , or TS16 framing pattern has been lost
RED	Red	On	Loss Of Signal condition detected on E1 network interface
RED	Red	Slow blink	Alarm Indication Signal condition detected
RED	Red	Fast blink	E1 network signal is out of frame synchronization
RED	Red	Off	No red alarm conditions detected
YEL	Yellow	On	Remote Loss Of Signal or out of frame synchronization condition detected
YEL	Yellow	Off	No remote Loss Of Signal or out of frame synchronization condition detected
TEST	Yellow	On	Local loopback test in progress
TEST	Yellow	Blinking	Test code, remote loopback, or Bit Error Rate Test in progress
TEST	Yellow	Off	No tests are in progress
PWR	Green	On	Power is on
PWR	Red	On	Self-test failed
PWR	Green	Blinking	User is logged in
PWR	Alternating green/red	Blinking	Downloading software
PWR	N/A	Off	Power is off