PROMPTUS COMMUNICATIONS, INC.

OASIS 200B (REV. 1.0)

Card Type                   Switched Bandwidth Controller, ISDN BRI
Chip Set                    Unidentified
I/O Options                 Power, 37-pin DTE ports (2), 25-pin serial
                            ports (2),

                            ISDN S/T network interface via RJ-45 (4), modem
                            port via RJ-11,

                            terminal port via RJ-11
ISDN Rate                   512Kbps
ISDN Modulation Protocol    Unidentified
Data Bus                    External

[Image]

                                CONNECTIONS

         Function           Label             Function             Label

  AC power                   CN1      ISDN port 2 (RJ-45)           CN7

  37-pin DTE port 1          CN2      ISDN port 3 (RJ-45)           CN8

  37-pin DTE port 2          CN3      ISDN port 4 (RJ-45)           CN9

  25-pin serial port 1       CN4      Modem interface (RJ-11)      CN10

  25-pin serial port 1       CN5      VT 100 terminal              CN11
                                      interface (RJ-11)

  ISDN port 1 (RJ-45)        CN6      Power switch                  SW1

  Note: Each ISDN port provides up to two B-channels and one D-channel

                      DATA PORT 1 INTERFACE SELECTION

               Setting                      JP1/A             JP1/B

  »   V.35 interface enabled               Closed              Open

      RS-422 interface enabled              Open              Closed

                      DATA PORT 2 INTERFACE SELECTION

               Setting                      JP2/A             JP2/B

  »   V.35 interface enabled               Closed              Open

      RS-422 interface enabled              Open              Closed

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

   L1        Green        On                 ISDN port 1 active

   L1        Green     Blinking             ISDN port 1 inactive

   L2        Green        On                 ISDN port 2 active

   L2        Green     Blinking             ISDN port 2 inactive

   L3        Green        On                 ISDN port 3 active

   L3        Green     Blinking             ISDN port 3 inactive

   L4        Green        On                 ISDN port 4 active

   L4        Green     Blinking             ISDN port 4 inactive

   STS       Green        On                    Power is on

   STS       Green        Off       Power is off; unit failed to properly
                                                 initialize