User`s manual
contents -4-
TABLE OF CONTENTS
1.
GENERAL...........................................................................................1
1.1 OVERVIEW ............................................................................................1
1.2 FEATURES .............................................................................................1
1.3 APPLICATIONS .......................................................................................1
1.4 TIMING MODES ......................................................................................2
2.
SYSTEM ARCHITECTURE.........................................................4
2.1 FUNCTION DESCRIPTION ........................................................................4
2.2 STRUCTURE ...........................................................................................5
2.3 FRONT PANEL ........................................................................................5
2.3.1 Diagram........................................................................................5
2.3.2 LED’s ...........................................................................................6
2.3.3 Dip Switches Definition.................................................................7
2.3.4 E1/T1 Port ....................................................................................8
2.3.5 Ethernet ports ...............................................................................9
2.3.6 Power Switch and Power Socket ..................................................10
3.
INSTALLATION..........................................................................10
3.1 E1/T1 CONNECTIONS ...........................................................................10
3.2 ETHERNET/OPTIC FIBER CONNECTIONS .................................................11
4.
TROUBLESHOOTING ...............................................................11
4.1 COMMON FAULT DIAGNOSIS AND RULED OUT .......................................11
4.1.1 PWR FAIL LED ON....................................................................11
4.1.2 SYS LED does not blink...............................................................12
4.1.3 Ethernet Electrical port LINK LED OFF ....................................12
4.1.4 Ethernet optical port L/A LED OFF or OLOS LED ON ..............12
4.1.5 E1/T1 Alarm LED ON.................................................................12
4.1.6 TWO
ENDS
DEVICES
CANNOT
CONNECT ..................13
4.1.7 Both Sides devices of E1/T1 have slip..........................................13
5.
WEB MANAGER.........................................................................13
5.1 SYSTEM INFO ......................................................................................14
5.2 ALARM STATUS ...................................................................................14
5.2.1 E1 Channel Status.......................................................................14
5.2.2 Ethernet Port Status ....................................................................15
5.2.3 Power Status ...............................................................................15
5.2.4 Alarm Log...................................................................................15
5.2.5 BER Test.....................................................................................16
5.3 ALARM MANAGEMENT ........................................................................16
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