Card Type	DSU
Chip Set	Unidentified
I/O Options	DTE/DCE ports (2), network interface via RJ-48, power jack, DTE port
Wiring Type	RJ-45 Unshielded twisted pair RJ-48 T1
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	DTE port (V.35 connector)	CN4
DTE/DCE port (25-pin serial connector)	CN2	Network interface via RJ-48 connector	CN5
DTE/DCE port (25-pin serial connector)	CN3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
OK	Green	On	DSU power is on
OK	Green	Off	DSU power is off, performing a self test, or detecting a system failure
ALM	Red	On	DSU has detected an alarm condition
ALM	Red	Off	DSU has not detected an alarm condition
TST	Yellow	On	DSU is executing a test
TST	Yellow	Off	DSU is not executing a test
DM	Green	On	Data is being transmitted/received
DM	Green	Off	CMI codes are being received
OOS	Red	On	DSU is receiving an out of service code from remote unit
OOS	Red	Off	DSU is not receiving an out of service code from remote unit
OOF	Red	On	DSU is detecting an out of frame condition
OOF	Red	Off	DSU is not detecting an out of frame condition
NS	Red	On	Carrier signal not detected
NS	Red	Off	Carrier signal detected
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
DTR	Green	On	DTR signal is high
DTR	Green	Off	DTR signal is low