ASCEND COMMUNICATIONS, INC.

PIPELINE 25-PX, PIPELINE 25-FX

Card Type                    ISDN to Ethernet Router
Chip Set                     Unidentified
I/O Options                  Power connector, 15-pin AUI port, 9-pin
                             serial port,

                             RJ-45 ISDN BRI interface (U or S/T), RJ-11
                             telephone port (2)

                             RJ-45 UTP interface
Ethernet Transfer Rate       10Mbps
ISDN Rate                    Unidentified
ISDN Modulation Protocol     PPP, MP, MP+
Error Correction/Compression Unidentified
Data Bus                     External

[Image]

                                CONNECTIONS

         Function            Label             Function           Label

  Power                       CN1       RJ-11 line 1               CN5

  9-pin serial port           CN2       RJ-11 line 2               CN6

  15-pin AUI port             CN3       ISDN BRI interface         CN7
                                        (RJ-45)

  10 BaseT Ethernet           CN4       Power switch               SW1
  interface (RJ-45)

                             DIAGNOSTIC LED(S)

  LED        Color         Status                  Condition

  PWR     Unidentified       On                   Power is on

  PWR     Unidentified      Off                  Power is off

  ACT     Unidentified    Blinking     Data is being transmitted/received
                                             on Ethernet interface

  ACT     Unidentified      Off                Data is not being
                                        transmitted/received on Ethernet
                                                   interface

  COL     Unidentified    Blinking      Collisions are being detected on
                                              Ethernet interface

  COL     Unidentified      Off        Collisions are not being detected
                                             on Ethernet interface

  WAN     Unidentified       On              WAN session is active

  WAN     Unidentified    Blinking      Error detected on BRI interface

  WAN     Unidentified      Off           Connection is broken on BRI
                                                   interface

  CON     Unidentified       On        Unit is connected to power source;
                                           power-up test in progress

  CON     Unidentified      Off          Unit is not connected to power
                                          source; power-up test not in
                                                   progress