Card Type	DSU
Chip Set	Unidentified
I/O Options	RJ-11 CC/DC out, Network interface via RJ-48 connector (2), power jack, DTE ports (2)
Wiring Type	T1 via RJ-48 connector
Maximum Data Rate	56Kbps (64Kbps full duplex or clear channel)
Data Modulation Protocol	DDS,LADS
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Power Jack	CN1	RJ-11 CC/DC out	CN4
Network interface via RJ-48 connector	CN2	DTE port (V.35 connector)	CN5
Network interface via RJ-48 connector (backup)	CN3	DTE port (25-pin serial connector)	CN6

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Permissive transmit output level of -9dBm	S1/1	On
	Programmable transmit output level between -12dBm and 0dBm	S1/1	Off
»	Frame ground connected to signal ground through 100ohm resistor	S1/2	Off
	Frame ground connected to signal ground	S1/2	On
»	Enables test mode indication on pin 25 of 25-pin serial port	S1/3	On
	Disables test mode indication	S1/3	Off
»	Enables test mode indication on pin NN of V.35 DTE port	S1/4	On
	Disables test mode indication	S1/4	Off
Note: S1/3 and S1/4 are not always present

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
OK	Green	On	DSU is on
OK	Green	Blinking	DSU is receiving a message from NetWare Management System
OK	Green	Off	DSU is off or detecting a system failure
ALM	Red	Blinking slow	Out-of-service or out-of -frame messages received from network
ALM	Red	Blinking fast	DSU not receiving signals from network
TST	Yellow	On	DSU is executing a test
TST	Yellow	Off	DSU is not executing a test
TST	Yellow	Blinking	DSU is setting up or taking down a test
Dial	Yellow	Blinking fast	Call established in progress
Dial	Yellow	Blinking slow	Call established in standby mode
Dial	Yellow	On	Backup call established and active
Dial	Yellow	Off	Call not established
TXD	Green	On	Receiving all zeros from the DTE
TXD	Green	Off	Receiving all ones from the DTE
TXD	Green	Blinking	Data is being transferred
RXD	Green	On	Transmitting all zeros from the DTE
RXD	Green	Off	Transmitting all ones from the DTE
RXD	Green	Blinking	Data is being transferred
RTS	Green	On	RTS signal is high
RTS	Green	Off	RTS signal is low
CTS	Green	On	CTS signal is high
CTS	Green	Off	CTS signal is low
DSR	Green	On	DSR signal is high
DSR	Green	Off	DSR signal is low
LSD	Green	On	LSD signal is high
LSD	Green	Off	LSD signal is low

MISCELLANEOUS TECHNICAL NOTES

For specific information regarding the LCD & it’s function keys; see owners manual.