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Micro House PC Hardware Library Volume II: Network Interface Cards And Modems Micro House PC Hardware Library Volume II: Network Interface Cards And Modems
by Micro House International, Inc. and Scott Mueller
Que, Macmillan Computer Publishing
ISBN: 078971664x   Pub Date: 06/17/98
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DIAGNOSTIC LED(S)
LED Color Status Condition
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 block error detected
FEI Red Off Remote PLCP normal
NEI Red On Local DSU is out of PLCP lock
NEI Red Blinking Local DSU detected a block error
NEI Red Off Local DSU PLCP normal
DATA Green On Valid data signal detected
DATA Green Blinking Network Set, Reset, or Test code detected
DATA Green Off No valid signal detected
CV Red On Code Violation, Frame Sync, or CRC error detected
CV Red Off 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
PWR Green On Power is on
PWR Red On Self-test failed
PWR Green Blinking Downloading software
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

DATASMART T3 /E3 SMDSU MODEL 1596X (AC POWER)

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 AC power in CN11
V.35 serial data port via DB-25 connector CN5 Alarm relay (see pinout below) SC1
HSSI serial data port CN6 Alarm cutoff switch S5
HSSI serial data port CN7    
Note: Standard V.35 serial port is provided on an included adapter cable.


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