Card Type	T1 CSU
Chipset	Unidentified
T1 Transfer Rate	1.544Mbps
T1 Protocol	AMI, B8ZS
Frame Type	SF, ESF
Data Bus	Serial

CONNECTIONS
Function	Label	Function	Label
Monitor receive equalization in jack	J1	Monitor transmit monitor jack	J8
Monitor receive network out jack	J2	DC power in/alarm signal out (see pinout below	P1
Serial control port	J3	T1 line out (network interface)	P2
T1 line in (equipment interface)	J4	Ground	P3
Monitor receive monitor jack	J5	Local loopback test switch	S1
Monitor transmit network in jack	J6	Alarm cut-off switch	S2
Monitor transmit equalization out jack	J7	Code generator switch	S3

P1 PINOUT
Function	Screw	Function	Screw
+20V to +56V DC power in	1	Chassis ground	4
Not used	2	Alarm relay common	5
-20V to -56V DC power in	3	Alarm relay normally open contact	6
Note:Do not use both P1 screw 4 and P3.

USER CONFIGURABLE SETTINGS
Setting		Label	Position
»	Power drawn from SC1 terminals	JB1	LOCAL
	Power drawn from T1 line	JB1	LINE
»	Simplex loop enabled	JP1	Pins 1 & 2 closed
	Simplex loop disabled	JP1	Pins 2 & 3 closed
»	Alarm Indication Signal transmit delay set to 5 mS	S5/4	Off
	Alarm Indication Signal transmit delay set to 1 second	S5/4	On
»	Control port uses 8 data bits	S5/7	Off
	Control port uses 7 data bits	S5/7	On
»	Control port uses 1 stop bit	S5/8	Off
	Control port uses 2 stop bits	S5/8	On
Note:Jumper block JB1 has the words LINE and LOCAL printed on the side. The word indicated should face towards the user.

CODE GENERATOR OPERATION
Setting	S4
Standard line loopback	Position 0
Kentrox line loopback	Position 1
Standard test loopback	Position 2
Kentrox test loopback	Position 3
Standard local loopback	Position 4
Kentrox local loopback	Position 5
Standard reset loopback	Position 6
Kentrox reset loopback	Position 7
Quasi-random test pattern	Position 8
1 in 8 test pattern	Position 9
Note:To generate the code indicated, switch S4 must be pushed for one-half second. To stop generating the code, push S4 again.

CONTROL PORT SPEED SELECTION
Setting		S5/1	S5/2	S5/3
	19.2Kbps	On	On	On
»	9600bps	Off	On	On
	4800bps	On	Off	On
	2400bps	Off	Off	On
	1200bps	On	On	Off
	600bps	Off	On	Off
	300bps	On	Off	Off

LINE BUILD OUT SELECTION
Setting	S6	S7
0 dB	Off	Off
-7.5 dB	On	Off
-15 dB	Off	On
-22.5 dB	On	On

CONTROL PORT PARITY SELECTION
Setting		S5/5	S5/6
»	No parity	On	N/A
	Odd parity	Off	On
	Even parity	Off	Off

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LOC	Yellow	On	Local loopback test in progress
LOC	Yellow	Off	Local loopback test not in progress
ACO	Green	On	Alarm condition exists and S2 has been pressed
ACO	Green	Off	S2 has not been pressed or no alarm condition exists
SEND	Yellow	On	Test or loopback code being sent on indicated connection
SEND	Yellow	Off	Test or loopback code not being sent on indicated connection
TI	Red	On	Indicated alarm is on T1 equipment
TI	Red	Off	Indicated condition is not on T1 equipment
NI	Red	On	Indicated alarm is on T1 network interface
NI	Red	Off	Indicated condition is not on T1 network interface
DATA	Green	On	Valid data being received on indicated connection
DATA	Green	Off	No valid data being received on indicated connection
CODE	Yellow	On	Test or loopback code being received on indicated connection
CODE	Yellow	Off	Test or loopback code not being received on indicated connection
NET	Yellow	On	Network loopback test in progress
NET	Yellow	Off	Network loopback test not in progress
TA/FEL	Yellow	On	Remote CSU/DSU loopback test in progress or Set or Test code transmitted
TA/FEL	Yellow	Blinking	Remote CSU/DSU loopback test verified
TA/FEL	Yellow	Off	Remote CSU/DSU loopback test not in progress and Set or Test code not transmitted
PWR	Green	On	Power is on
PWR	Red	On	Self-test failed
PWR	N/A	Off	Power is off
EER	Red	On	Error rate on indicated connection exceeds threshold
EER	Red	Off	Error rate on indicated connection does not exceed threshold
OOF	Red	On	Signal is out of frame synchronization on indicated connection
OOF	Red	Off	Signal is not out of frame synchronization on indicated connection

DIAGNOSTIC LED(S) (CON'T)
LED	Color	Status	Condition
YEL	Yellow	On	Yellow Alarm condition detected on indicated connection
YEL	Yellow	Off	Yellow Alarm condition not detected on indicated connection
PD	Red	On	Fewer than 1 high bit in 8 detected on indicated connection
PD	Red	Off	More than 1 high bit in 8 detected on indicated connection
KA	Red	On	Keep-alive signal transmitted to T1 network interface
KA	Red	Off	Keep-alive signal not transmitted to T1 network interface
LOS	Red	On	Loss Of Signal condition detected on indicated connection
LOS	Red	Off	Loss Of Signal condition not detected on indicated connection
AIS	Red	On	Alarm Indication Signal condition detected for one second on indicated connection
AIS	Red	Off	Alarm Indication Signal condition not detected on indicated connection
BPV	Red	Blinking	Bipolar Variation detected on indicated connection (does not count B8ZS coding)
BPV	Red	Off	Bipolar Variation not detected on indicated connection