Card Type	T3/E3 CSU/DSU
Chipset	Unidentified
T3/E3 Transfer Rate	34.368Mbps (E3) /44.736Mbps (T3)
T3/E3 Protocol	M13, C-Bit, G.751, B8ZS
Frame Type	Unidentified
Data Bus	Serial

CONNECTIONS
Function	Label	Function	Label
Monitor jack	CN1	T3/E3 line in/out	CN8
Monitor jack	CN2	T3/E3 line in/out	CN9
DCE serial control port	CN3	RS-422 auxiliary clock port	CN10
DTE serial control port	CN4	Alarm cutoff switch	S5
V.35 serial data port via DB-25 connector	CN5	DC power in (see pinout below)	SC1
HSSI serial data port	CN6	Alarm relay (see pinout below)	SC2
HSSI serial data port	CN7
Note:Standard V.35 serial port is provided on an included adapter cable.

SC1 PINOUT
Function	Screw	Function	Screw
-40V to -56VDC power in	1	+40 to +56VDC power in	3
Ground	2

SC2 PINOUT
Function	Screw	Function	Screw
Normally closed contact	1	Normally open contact	3
Signal common	2

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Control port parity disabled	S1/3	On
	Control port parity enabled	S1/3	Off
»	Control port parity set to odd	S1/4	On
	Control port parity set to even	S1/4	Off
»	Control port uses 8 data bits	S1/5	On
	Control port uses 7 data bits	S1/5	Off
»	Control port uses 1 stop bit	S1/6	On
	Control port uses 2 stop bits	S1/6	Off
»	Alarm reporting disabled	S1/7	On
	Alarm reporting enabled	S1/7	Off
»	Alarm reporting output to DCE control port	S1/8	On
	Alarm reporting output to DTE control port	S1/8	Off
»	Adapter in SMDS mode	S2/3	On
	Adapter in DSU mode	S2/3	Off
»	T3/E3 receive equalization enabled	S2/4	On
	T3/E3 receive equalization disabled	S2/4	Off
»	T3/E3 transmit Line Build Out out	S2/5	On
	T3/E3 transmit Line Build Out in	S2/5	Off
»	Factory configured - do not alter	S2/6	On
»	Factory configured - do not alter	S2/7	On
»	Factory configured - do not alter	S2/8	On

CONTROL PORT SPEED SELECTION
Setting		S1/1	S1/2
»	9600bps	On	On
	4800bps	On	Off
	2400bps	Off	On
	1200bps	Off	Off

PROTOCOL SELECTION
Setting		S2/1	S2/2
»	T3 MI3	On	On
	T3 C-Bit	On	Off
	E3 G.751	Off	On
	E3 G.751	Off	Off

THUMBWEEL FUNCTION SELECTION
Function	S3	S4	S5
Reset loopback tests	Pushed	Position 0	Not pushed
Begin remote line loopback test	Pushed	Position 1	Not pushed
Begin remote payload loopback test	Pushed	Position 2	Not pushed
Reset to factory defaults and switch settings	Pushed for 2 sec.	Position 3	Pushed for 2 sec.
Begin near-end line loopback test	Pushed	Position 4	Not pushed
Begin near-end payload loopback test	Pushed	Position 5	Not pushed
Begin near-end local loopback test	Pushed	Position 6	Not pushed
Begin data near-end terminal loopback test	Pushed	Position 7	Not pushed
Reset SMDSU address to 00:00:000	Pushed for 2 sec.	Position 7	Pushed for 2 sec.
Note:S3 and S5 must always be held for at least one-half of one second for the above functions to take effect.

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Red	On	Self-test failed
PWR	N/A	Off	Power is off
LOOP	Yellow	On	Local loopback test in progress
LOOP	Yellow	Blinking	Remote loopback test in progress
LOOP	Yellow	Off	Loopback test not in progress
SEND	Yellow	On	Test code being sent
SEND	Yellow	Blinking	Remote loopback test may be in progress but cannot be verified
SEND	Yellow	Off	Test code not being sent
ALM	Red	On	Alarm condition detected and awaiting user intervention
ALM	Green	On	Alarm condition detected; user intervention in progress
ALM	N/A	Off	Alarm condition not detected
RCV	Green	On	DSU is receiving data from network
RCV	Green	Off	DSU is not receiving data from network
XMT	Green	On	DSU is transmitting data to network
XMT	Green	Off	DSU is not transmitting data to network
FEI	Red	On	Remote is out of PLCP lock
FEI	Red	Blinking	Remote PLCP Code Violation detected
FEI	Red	Off	Remote PLCP normal
NEI	Red	On	Local DSU is out of PLCP lock
NEI	Red	Blinking	Local DSU PLCP Code Violation detected
NEI	Red	Off	Local DSU PLCP normal
TXD	Yellow	On	Control port is transmitting data
TXD	Yellow	Off	Control port is not transmitting data

DIAGNOSTIC LED(S) (CON’T)
LED	Color	Status	Condition
RXD	Yellow	On	Control port is receiving data
RXD	Yellow	Off	Control port is not receiving data
TA	Yellow	On	V.24 DTR or V.35 TA signal is high
TA	Yellow	Off	V.24 DTR or V.35 TA signal is low
CA	Yellow	On	V.24 DCD or V.35 CA signal is high
CA	Yellow	Off	V.24 DCD or V.35 CA signal is low
DATA	Green	On	Valid data signal detected
DATA	Green	Off	No valid signal detected
CV	Red	On	Code Violation error detected
CV	Red	Off	Code Violation error not detected
LOS	Red	On	Loss Of Signal condition detected
LOS	Red	Off	Loss Of Signal condition not detected
OOF	Red	On	Signal is out of frame synchronization
OOF	Red	Off	Signal is not out of frame synchronization
AIS	Red	On	Alarm Indication Signal condition detected
AIS	Red	Off	Alarm Indication Signal condition not detected
YEL	Yellow	On	Remote Yellow Alarm condition detected
YEL	Yellow	Blinking	Local Yellow Alarm condition detected
YEL	Yellow	Off	Yellow Alarm condition not detected