Card Type	DSU/CSU
NIC Type	T1
Chip Set	Unidentified
I/O Options	DTE port, network interface via RJ-45 connector, modem port test jacks (2), power jack, communications port
Maximum Modem Rate	2400bps
Data Modulation Protocol	V.22
Wiring Type	RJ-48 120ohm shielded twisted pair
Maximum Data Rate	56Kbps (64Kbps full duplex)
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Test jack - line in	CN1	Communication port	CN5
Test jack - line in	CN2	Modem port via RJ-11	CN6
Power Jack	CN3	Network interface via RJ-45 connector	CN7
DTE port (25-pin serial connector)	CN4

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
OK	Green	On	DSU/CSU power is on
OK	Green	Blinking	DSU/CSU is downloading software
OK	Green	Off	DSU/CSU power is off or detecting a system failure
FAIL	Yellow	On	Error has been detected on network
FAIL	Yellow	Off	Error has not been detected on network
FAIL	Yellow	Blinking	DSU/CSU is conducting a self test
TST	Yellow	On	DSU/CSU is executing a test
TST	Yellow	Off	DSU/CSU is not executing a test
SIG	Green	On	DSU/CSU is receiving a recoverable signal from network
SIG	Green	Off	DSU/CSU cannot recover the signal from network
OOF	Yellow	On	Out of frame condition detected on network
OOF	Yellow	Off	Out of frame condition not detected on network
ALM	Yellow	On	Alarm condition detected on network
ALM	Yellow	Off	Alarm condition not detected on network
EER	Yellow	On	Excessive error rate exceeded on network
EER	Yellow	Off	Excessive error rate not exceeded on network
DTR	Green	On	DTR signal is high
DTR	Green	Off	DTR signal is low
TXD	Yellow	On	Receiving all zeros from the DTE
TXD	Yellow	Off	Receiving all ones from the DTE
TXD	Yellow	Blinking	Data is being transferred
RXD	Yellow	On	Transmitting all zeros from the DTE
RXD	Yellow	Off	Transmitting all ones from the DTE
RXD	Yellow	Blinking	Data is being transferred
CTS	Yellow	On	CTS signal is high
CTS	Yellow	Off	CTS signal is low
RTS	Yellow	On	RTS signal is high
RTS	Yellow	Off	RTS signal is low