Card Type	T1 DSU/CSU
Chip Set	Unidentified
I/O Options	V.35 DTE port, test jack - in, test jack - out, test jack - monitor , RJ-48 control ports (2), T1 network interface via RJ-48, power 10 BaseT LAN interface via RJ-48, Expansion module
T1 Data Rate	1.544Mbps
Line Coding	AMI, B8ZS, RZ, Bipolar
Framing	D4, ESF
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
T1 network port (RJ-48)	CN1	Control port - chain out (RJ-48)	CN6
Test jack - in	CN2	10 BaseT interface (RJ-48)	CN7
Test jack - out	CN3	V.35 DTE port	CN8
Test jack - monitor	CN4	Power switch	SW1
Control port - chain in (RJ-48)	CN5
Note: The optional expansion module may feature a switched 56K interface, voice interface, V.35, RS-232, or ISDN T1 interface

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
OK1	Green	On	DSU is operating in normal mode. No errors have been detected
OK1	Green	Off	DSU is not in normal mode, or errors have been detected
TST1	Yellow	On	DSU is conducting a test
TST1	Yellow	Off	DSU is not conducting a test
ALM1	Red	On	Alarm condition has been detected on DSU
ALM1	Red	Off	Alarm condition has not been detected on DSU
OK2	Green	On	Module is operating in normal mode. No errors have been detected
OK2	Green	Off	Module is not in normal mode, or errors have been detected
TST2	Yellow	On	Module is conducting a test
TST2	Yellow	Off	Module is not conducting a test
ALM2	Red	On	Alarm condition has been detected on option ports
ALM2	Red	Off	Alarm condition has not been detected on option ports
OK3	Green	On	CSU is operating in normal mode. No errors have been detected
OK3	Green	Off	CSU is not in normal mode, or errors have been detected
TST3	Yellow	On	CSU is conducting a test
TST3	Yellow	Off	CSU is not conducting a test
ERR	Red	On	Error has been detected on network. Errors include: BPV, OOF or CRC
ERR	Red	Off	Error has not been detected on network
ALM3	Red	On	Alarm condition has been detected on network
ALM3	Red	Off	Alarm condition has not been detected on network