ADTRAN

NT1 ACE

Card Type                 ISDN T1
Chip Set                  Unidentified
I/O Options               ST local bus interface via RJ-45 connectors (2),
                          power

                          U T1 network interface via RJ-45 connector
T1 Data Rate              1.544Mbps
ISDN D-channel Protocol   X.25
Line Coding               2B1Q
Framing                   Unidentified
Data Bus                  External

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  S/T ISDN local bus          CN1     U T1 network interface       CN3
  interface (RJ-45)                   via (RJ-45)

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

                        USER CONFIGURABLE SETTINGS

                    Function                       Label      Position

  Short passive bus configuration                  SW1           On

  Extended passive bus cinfiguration               SW1          Off

                           LOCAL BUS TERMINATION

                    Function                       Label      Position

  Local bus termination disabled                   SW2           1

  50 Ohm local bus termination enabled             SW2           2

  100 Ohm local bus termination enabled            SW2           3

                             DIAGNOSTIC LED(S)

   LED      Color         Status                   Condition

   RDY      Green           On          Network is ready to place a call

   RDY      Green         Blinking          U interface not ready or
                          (fast)               performing a test

   RDY      Green         Blinking         S/T interface not ready or
                          (slow)               performing a test

   RDY      Green           Off        Network not functioning or unit is
                                              not receiving power

   ERR       Red            On             Error condition detected on
                                              network or local bus

   ERR       Red            Off           Error condition not detected

   PWR      Green           On                    Power is on

   PWR      Green           Off                   Power is off

  Note:

  If ERR indicator is illuminated, pulse rate of RDY indicator will
  determine error source. If RDY indicator is blinking, and ERR indicator
  is off, then a test is in progress.