Card Type	Telephony, T1 or E1 CSU/DSU
Chipset	Unidentified
I/O Options	PEB/SCbus connector
T1/E1 Transfer Rate	1.544Mbps/2.048Mbps
T1/E1 Protocol	Unidentified
Frame Type	Unidentified
Data Bus	16-bit ISA
Card Size	Full height, full length

CONNECTIONS
Function	Label	Function	Label
T1 or E1 interface	P1	PEM bus/SCbus connector	P5
T1 or E1 interface	P2

USER CONFIGURABLE SETTINGS
Setting		Label	Position
	Transmit coaxial connector shield is grounded	J100A	Closed
	Transmit coaxial connector shield is not grounded	J100A	Open
	Receive coaxial connector shield is grounded	J100B	Closed
	Receive coaxial connector shield is not grounded	J100B	Open
»	Board is not in loopback test mode	SW101	Off
	Board is in loopback test mode	SW101	On

PEB BUS TERMINATION
Setting	XT
Not terminated	Not installed
Terminated as Network Module	Position A
Terminated as Resource Module	Position B

BOARD NUMBER SELECTION
Setting	SW1
1	Position 0
2	Position 1
3	Position 2
4	Position 3
5	Position 4
6	Position 5
7	Position 6
8	Position 7
9	Position 8
10	Position 9
11	Position A
12	Position B
13	Position C
14	Position D
15	Position E
16	Position F

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
D1	Red	On	Valid clock signal not being received
D1	Red	Off	Valid clock signal being received
D2	Yellow	On	Signal has lost frame synchronization
D2	Yellow	Off	Signal has not lost frame synchronization
D3	Green	On	Valid T1/E1 signal being received
D3	Green	Off	Valid T1/E1 signal not being received
D4	Unidentified	On	Board is in loopback test mode
D4	Unidentified	Off	Board is not in loopback test mode