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29. Press the → key until 'C107/C109 Normal Mode' displays. Press Enter to
30. Press the ↑ key until 'U13' displays.
31. Press the → key until 'C107 Follow C109(CD)' displays. Press Enter to
32. Press ↓ until 'Mode' displays.
33. Press → until the message 'V25HDLC NRZIASC' displays.
34. Press Enter.
The modem is now in ITU-T V.25 bis synchronous mode. See "Saving the Modem
Configuration" below.
Setting the 7857 Modem Connected to COM1 (ASYN)
See "Saving the Modem Configuration" below.
Setting the 7857 Modem Connected to MPA Card on COM2 (ASYN)
See "Saving the Modem Configuration" below.
Saving the Modem Configuration
The defined configuration is now active and saved. Every time the modem is reset
(powered ON), this configuration is loaded.
Transmission Speed The IBM 7857 uses an adaptive line rate facility which can
automatically decrease or increase the modem's transmission speeds. This means
that if telecommunication line conditions deteriorate, the modem can still function at
the highest possible efficiency.
Setting and Saving the Target Service Processor Phone Number
validate.
validate.
1. Power OFF the modem
2. Press and hold the ↑ key while power ON the modem.
3. The modem is set to Factory 0 in AT command mode.
1. Power OFF the modem
2. Press and hold the ↑ key while power ON the modem.
3. The modem is set to Factory 0 in AT command mode.
1. Press the ↓ key until the 'CONFIG' message displays at the top of the panel.
2. Press the → key until the 'Store User Conf' message displays at the bottom
of the panel.
3. Press Enter.
4. Press the ↑ key, to select the User Configuration Location (0 to 9) where you
want to save the configuration.
5. Press Enter to save the current modem configuration.
1. Press the ↓ key until 'Store phone number' displays at the top of the panel.
2. Press the → key to select the first location number.
3. Press Enter.
Appendix E. Modem Setup
E-5
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