Card Type	Frame Relay Unit, DSU/CSU
Chip Set	Unidentified
I/O Options	25-pin DTE ports (2), DBU interface module, Voice interface module, Control port (RJ-45), Dedicated network port (RJ-45), power
Maximum Data Rate	56Kbps
ISDN Rate	64Kbps
ISDN Modulation Protocol	HDLC, PPP
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Switched network port (RJ-48)	CN1	25-pin DTE port 1	CN6
Telephone line (RJ-11)	CN2	25-pin DTE port 2	CN7
Telephone line (RJ-11)	CN3	Power	CN8
Network port (RJ-45)	CN4	Power button	SW1
VT 100 terminal port (RJ-45)	CN5
Note: The DBU interface module (CN1) may support a switched 56K interface via RJ-48 connector (shown), V.34 interface via RJ-11 connector, or ISDN interface via RJ-11 connector. The voice interface module (CN2, CN3) is available with Dual FXS, Dual FXO or Dual E&M signaling voice support.

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TD1	Unidentified	On	DTE port 1 is transmitting data
TD1	Unidentified	Off	DTE port 1 is not transmitting data
RD1	Unidentified	On	DTE port 1 is receiving data
RD1	Unidentified	Off	DTE port 1 is not receiving data
TD2	Unidentified	On	DTE port 2 is transmitting data
TD2	Unidentified	Off	DTE port 2 is not transmitting data
RD2	Unidentified	On	DTE port 2 is receiving data
RD2	Unidentified	Off	DTE port 2 is not receiving data
TDN	Unidentified	On	Data is being transmitted on network port
TDN	Unidentified	Off	Data is not being transmitted on network port
RDN	Unidentified	On	Data is being received on network port
RDN	Unidentified	Off	Data is not being received on network port
ALM	Unidentified	On	Unit is detecting an open loop, loss of synchronization, OOS/OOF, or loss of network frame relay signal alarm condition or unit is in test mode
ALM	Unidentified	Off	Alarm condition not detected on network. Unit not conducting a test