Section 8 DETAILED MENU REFERENCE
136
•
Near: Incoming audio gets coded in the usual manner, sent into the ISDN interface
card and from there looped back to the decoder where it is decoded. Allows a check
of over 90% of Zephyr’s functionality with no ISDN line present
NOTE: Compatible Xmt and Rcv modes will be required.
These modes are intended as a simple debugging aid. For additional information refer
to manual section 10 (Advanced Problem Solving)
Status Out
Status available on logic output
(This is an advanced feature and may be ignored by most users.)
Zephyr provides a logic output that serves an in- use indicator when the Zephyr is in use
and as an alarm when the connection is terminated. This output (appearing as an open-
collector closure to ground on the parallel control connector on the back) can be active
in the user’s choice of states depending on how you use your Zephyr. You may chose to
use this closure at the time of connection or disconnection to trigger a signal or to start
or stop an audio recorder or other device. The status is indicated when either network
interface (V.35 or ISDN) is used.
For pin outs & electrical specifications of this output see manual section 3 (Zephyr at a
Glance)
Selection of status of the logic output function is accomplished by choosing the item in
the UTILITY menu and using the <YES (+)> and <NO (- )> buttons to change the mode
displayed. Confirmation of the change is not required.
Available modes for activation of the logic output are:
•
Rcv lock
When this mode is selected, the logic output will be active (closed- to- ground)
when the receiver is locked. This indicates that a coded digital audio signal
compatible with the selected receive mode is being received and decoded by the
Zephyr.
•
Line 1
When this mode is selected, the logic output will be active (closed- to- ground)
when only Zephyr’s first data channel is connected. There is no indication of
whether audio is being decoded.
HOT TIP!
Near loopback is only available on units with ISDN interface
card installed. If no ISDN interface is installed “hardware not
available” will be displayed.
HOT TIP!
If your friends want to hear the how good layer III sounds, you
can use this mode to demonstrate the Zephyr without an ISDN
line being present.
Summary of Contents for Zephyr
Page 13: ...Table of Contents 13 SECTION 1 QUICK RESULTS ...
Page 26: ...Section 2 INTRODUCTION 26 This page intentially left blank ...
Page 27: ...Section 2 INTRODUCTION 27 SECTION 2 INTRODUCTION ...
Page 38: ...Section 2 INTRODUCTION 38 This page intentionally left blank ...
Page 39: ...39 SECTION 3 ZEPHYR AT A GLANCE ...
Page 52: ...Section 4 INSTALLATION BASIC OPERATION 52 This page intentionally left blank ...
Page 53: ...Section 4 INSTALLATION BASIC OP 53 SECTION 4 INSTALLATION BASIC OPERATION ...
Page 84: ...Section 4 INSTALLATION BASIC OPERATION 84 ...
Page 85: ...Section 5 ISDN 85 SECTION 5 ISDN ...
Page 105: ...Section 6 NON ISDN NETWORKS 105 SECTION 7 AUDIO CODING ...
Page 118: ...Section 7 AUDIO CODING PRINCIPLES 118 This page intentionally left blank ...
Page 119: ...Section 8 DETAILED MENU REFERENCE 119 SECTION 8 DETAILED MENU REFERENCE ...
Page 157: ...Section 9 REMOTE CONTROL 157 SECTION 9 REMOTE CONTROL ...
Page 176: ...Section 9 REMOTE CONTROL 176 This page intentionally left blank ...
Page 177: ...Section 10 ADVANCED PROBLEM SOLVING 177 SECTION 10 ADVANCED PROBLEM SOLVING ...
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Page 197: ...Section 11 TECHNICAL INFORMATION 197 SECTION 11 DETAILED TECHNICAL INFORMATION ...
Page 219: ...Section 12 SCHEMATICS 219 SECTION 12 SCHEMATICS ...
Page 221: ...Section 13 MANUFACTURER S DATA SHEETS 221 SECTION 13 MANUFACTURER S DATA SHEETS ...
Page 223: ...Section 14 SPECIFICATIONS WARRANTY 223 SECTION 14 SPECIFICATIONS AND WARRANTY ...
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Page 229: ...Section 15 APPENDICES 229 SECTION 15 APPENDICES ...