NEAX2400 IPX ISDN Features and Specifications
Page 88 NDA-24311, Issue 1
M-74 Modem Pooling - PRI
Operating Procedure (cont’d)
5. After the called modem and the pooled modem exchange carrier signals, the display shows:
6. Data communication can begin.
To release from data communication using a Dterm/Data Adapter (keypad dialing)
1. Press the DATA key to disconnect.
2. The display shows RELEASE D XXXX, indicating that data communication has been released.
Incoming Modem Pooling
To receive a data call from an outside DTE via analog trunk lines at a Dterm/Data Adapter
1. The caller dials the data number of the Dterm station.
2. If the Dterm/DTE is set for Auto Answer, a modem of the proper speed will be automatically connected to
the call.
3. If the called DTE is set for Auto Answer, modem confirmation tone is heard. If the called DTE is set for
Manual Answer, the call must be answered manually at the remote end. The called user can press the
DATA key on the Dterm/Data Adapter. A Modem will be connected to the call.
4. When the Modem is connected, the DATA lamp illuminates steadily. On a Dterm, the LCD displays
READY D XXXX (XXXX refers to the trunk type).
To release from data communication using a Dterm/Data Adapter (keypad dialing)
1. Calling party goes on-hook.
2. Called party presses the DATA key to disconnect.
3. The display shows RELEASE D XXXX, indicating that data communication has been released.
To receive a data call from an outside DTE via analog trunk lines with a Data Module or a keyboard dialing
Data Adapter
1. The remote caller dials the data DTE number via analog trunk lines.
2. A modem is automatically selected and the Data Adapter or Data Module transmits the INCOM message
to the local DTE. The caller hears ringback tone .
3. If the called DTE is set for Auto Answer, modem confirmation tone is heard. If the called DTE is set for
Manual Answer, the call must be answered manually at the remote end. The called user may key in a
READY <ENTER> response from the keyboard of the DTE connected to the Data Module. Auto Answer
is set via a switch on the Data Module.
4. A WAITING display indicates that the Modem Pool is being connected. An OPEN message will be
indicated at the local DTE when the remote DTE’s READY response arrives. OPEN indicates that both
parties can communicate with each other via modem.
To release from data communication using a Data Adapter or Data Module with keyboard dialing
1. Key in <ESC>-DM <ENTER> from the keyboard of the attached DTE.
2. The display shows ACK; key in RLS <ENTER> to release.
3. The display shows RELEASED, indicating that data communication has been released.
(Time Display)
READY D XXXX