
ALPHA TELECOM, INC.

UT620F

Card Type                  ISDN NT1
Chip Set                   Unidentified
I/O Options                Power, Terminal S/T interface via RJ-45
                           (2),Network U interface via RJ-45
T1 Transfer Rate           1.44Mbps
Frame Type                 AMI, 2B1Q
Data Bus                   External

[Image]

                                CONNECTIONS

          Function             Label            Function           Label

  ISDN U interface (RJ-45)      CN1     ISDN S/T interface          CN3
                                        (RJ-45)

  ISDN S/T interface            CN2     Power                       CN4
  (RJ-45)

                        USER CONFIGURABLE SETTINGS

                  Function                     Label         Position

     Extended passive bus                      SW3            Off

      Short passive bus                         SW3             On

      Local power supply set to AD62010         SW4             On

      Local power supply set to SP62029         SW4            Off

                         S/T TERMINATION SELECTION

          Setting             SW1/1      SW1/2        JP3         JP4

       100Ohm resistance      On         On         Open         Open
            enabled

        50Ohm resistance       On         On        Closed       Closed
            enabled

       Resistance disabled     Off        Off         N/A         N/A

                             DIAGNOSTIC LED(S)

    LED        Color         Status                 Condition

    PWR        Green           On                  Power is on

    PWR        Green          Off                  Power is off

   S/T&U        Red            On              U interface inactive

   S/T&U        Red         Blinking      U interface connection is being
                             (fast)                established

   S/T&U        Red         Blinking          U interface active; S/T
                             (slow)             interface inactive

   S/T&U        Red           Off            U & S/T interface active

   ULBK       Yellow           On         Central office is conducting a
                                             loopback test on device

   ULBK       Yellow          Off        Central office is not conducting
                                            a loopback test on device

