Main
What youve got here:
Customer Service
Feedback
Test Lines
ZephyrExpress will dial a test line for you:
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Repairs
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Table of Contents
Section 1: Quick Results
Section 2: What Youve Got Here...
Section 3: ZephyrExpress Hardware
Section 4: Audio Operations
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A Note From the President...
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xii Introduction
Menu Structure
Utility Menu
SECTION 1:
QUICK RESULTS
Part I: Instant Gratification, or How to hear stereo music over a phone line 1-2
Part II: Fast Answers to Frequently-Asked Questions 1-15
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Part I:
Instant Gratification, or How to hear stereo music over a phone line
Gather information about your ISDN line
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Set up the hardware
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Configure ZephyrExpress for your ISDN line.
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Call yourself (testing your unit and the line)
Configure the Codec
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Set up an audio input and output
Place the call to yourself d
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Tune into one of our test lines
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Part II:
Fast Answers to Frequently-Asked Questions
The Basics
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1: What do I do if Im totally lost? l
2: How do I use the menus? u
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right.
Theres a complete map to the menus in the front of this manual.
3: How do I use a menu that appears locked?
4: How do I lock a specific menu?
5: How do I enter numbers or names?
6: How do I create my own Setups and Master Setups?
You can capture a snapshot of all your current settings by using the
ISDN connections 7: How do I connect ZephyrExpress to an ISDN circuit?
8: How do I manually enter a network setup?
9: How do I test that Ive set things up properly?
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Alternate test procedure
10: What do I do if I cant connect?
Audio setup 11: How do I set ZephyrExpress for my microphones?
12: How do I use line-level sources?
13: How do I create a monitor mix?
14: How do I test my audio and compression setups?
ISDN Connection 15: How do I place a call? d
16: What do I do if they cant hear me?
17: How do I send a test tone?
18: How do I hang up? p
19: Where do I find answers to other questions?
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ZEPHYREXPRESS HARDWARE 3-1
SECTION 3
ZEPHYREXPRESS
HARDWARE
About our hardware... 3-2 Front Panel 3-2
Rear Panel 3-10
About our hardware...
Front Panel
ZEPHYREXPRESS HARDWARE 3-3
The Mixer Section
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MIXERS: Send Monitor 1 Monitor 2
Send Mixer
Mic 1 and Mic 2 Routing Switches
Line 1&2 Routing Switch
Monitor Mixers
Send Routing Switches
Display section
Send and Receive Meters
Lock LEDs
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SAFE indicator
LCD Display
Control section
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Edit knob
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DIAL button
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ZEPHYREXPRESS HARDWARE 3-9
Numeric Keypad
UTIL button u
settings. This is fully discussed in Section 7.
Rear Panel
MODE switches
SAFE MODE
Software Options
ISDN Connections
Data connection section
S Interface Pinouts
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U Interface
ZEPHYREXPRESS HARDWARE 3-13
U Interface Pinouts
Line Direct LED
Remote Control jacks
RS-232
RS-232 Pinouts
Parallel Port
Parallel Port
Inputs
ZEPHYREXPRESS HARDWARE 3-15
Audio i/o section
All XLR Pinouts
ZephyrExpress Unbalanced Input5k, audio
Microphone Inputs
ZEPHYREXPRESS HARDWARE 3-17
Line Inputs
3-conductor input plug 2-conductor
input plug
Monitor 1 XLR outputs
Direct ISDN Receive outputs
Power connection
ZEPHYREXPRESS HARDWARE 3-19
Power Input
Power Supply
Power Supply XLR Output
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SECTION 4
AUDIO OPERATIONS
A console at your fingertips...
Mix flexibility
The Send Mixer
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Microphone Inputs
XLR
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Overload LED
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Mic Routing Switches
Line Inputs
Routing Stereo (A B) / Mono (A+B) / off
Line A XLR/TRS
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Gain
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SEND Meters
CH A CH B
SEND
4-8 AUDIO OPERATIONS
The Monitor Mixers
Send Routing Level Receive
Routing Level Receive Meters
Lock Indicators Mon 2 Headphone Jack MONITOR 2
Routing Level Send Routing Level
About Monitor Panning
Monitor 1 Receive Monitor 1 Send
Adjusting individual monitor panning
Receive Meters
CH A CH B
RECEIVE
LOCK lights
Analog (G.711) phone calls
Analog call signal routing
Receiving calls
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Placing calls d
Hanging up p
Dealing with Delay
Mix-Minus
Phones and Remotes
REMOTE SITE STUDIO
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SECTION 5
AUDIO CODING
OVERVIEW
Introduction to Audio Coding
Basic Principles of Perceptual Coding
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ISO/MPEG LAYER 3
Layer 3 Features
Psychoacoustic Masking
Redundancy Reduction
32 bands 576 Bands
Bit Reservoir Buffering
Ancillary Data
Layer 3 Joint Stereo
ISO/MPEG LAYER 2
Layer 2 Joint Stereo
Layer 2 Mono-128
G.722
CASCADING
Mixed MPEG Layer 2 And Layer 3 Signal Chains
CHOOSING THE CODING METHOD FOR YOUR APPLICATION
Audio Coding Comparison Chart
Delay vs. Quality
Dual vs Stereo vs Joint Stereo in Layer 3
Dual Site Operation
Layer 2: Mono64kpbs vs MONO128; Dual vs JSTEREO
Sampling Rate
Compatibility
Between Telos Codecs
With Non-Telos Equipment
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SECTION 6
MENU REFERENCE
The Menu System 6-2
Using Setups 6-6
Menu Details 6-11
The Menu System
A typical menu
Navigation Shortcuts
Getting HELP
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Menu Overview
Utility Menu
Using Setups
Codec Setup Items
Applying a Setup
Creating or Changing a Setup
You can use Master Setups described on page 7 to change multiple Setups simultaneously.
Master Setups
Master Setup Menus
Applying a Master Setup
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Creating or Changing a Master Setup
Auto-creating a new Master Setup
Manually creating a Master Setup
Updating an existing Master Setup
Deleting a Master Setup
Autodial Setups
Creating a new Autodial
Editing or deleting an Autodial
Menu Details
Codec menu
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Normal operation is impossible unless Loop Mode is Off. When this mode is on,
The level meters are disabled in Loop Mode: Far, and the middle LED of each is lit as a reminder.
Audio menu
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ISDN menu
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System menu
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Safe mode menu
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SECTION 7
ISDN
ISDN BASICS 7-2
HOW TO ORDER ISDN 7-7
ISDN BASICS
Background
The Basic Rate Interface (BRI)
SPIDS
Get the SPIDs,
Get the SPIDs,
GET THE SPIDS!
Directory Numbers (DNs)
Long-Distance Digital Connectivity
HOW TO ORDER ISDN
Dealing with The Phone Company
Details, Details
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ZephyrExpress ISDN Compatibility
Protocols
Ordering: Central Office Switches and Protocols
National ISDN-1 (USA and Canada)
AT&T Point-to-Point (Custom) (USA, Japan, Israel, some others)
AT&T Point-to-Multipoint (Custom)
Northern Telecom DMS100 Functional (Custom, PVC1) (USA, Canada, some others)
Euro-ISDN (Europe, Hong Kong, some others)
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SECTION 8
SYSTEM FUNCTIONS
Introduction
Software Updates
New software and upgrade procedures will always be announced at our web site, www.zephyr.com.
ZephyrExpress data ports
The Serial Port
RS-232 Pinouts
Communicating
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Security Levels
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Command Help
Command Language Details
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The Parallel Port
Parallel Port
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SECTION 9
TROUBLESHOOTING
First Steps 9-2 GENERAL 9-3
ISDN Problems 9-13
First Steps
GENERAL
Thinking About Problem Solving
Its never just The ISDN isnt working... but how isnt it working?
Other Ideas
Diagnostic Aids
Look into the Lights
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LOOPBACK modes
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Dont forget to set Codec: Loop mode back to Off before attempting normal operation.
Some Error Conditions
No functionality; the box is totally or partly dead.
Condition: ISDN Connecting OK, But No Audio
Condition: No Audio In Both Directions
Condition: Audio In One Direction Only
Condition: Audio Distorted
Condition: Major Echo Action
Error Messages
ISDN Problems
Condition: Cant Get ISDN Ready Ready Indication
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Intermittent ISDN Problems
ISDN Cause Phrases/Values
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SECTION 11
APPENDIX
The Faxable ISDN Order Form (for use in US only) 11-15
ABOUT AUDIO LEVELS 11-2
CODEC COMPATIBILITY INFORMATION 11-3
FINDING PUBLIC ISDN SITES 11-7
ABOUT AUDIO LEVELS
Nominal Levels
Level, Gain, dBu and dBm
CODEC COMPATIBILITY INFORMATION
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Comprehensive ZephyrExpress Compatibility List
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FINDING PUBLIC ISDN SITES
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List of Known Working SPIDs by Telephone Company
Ameritech
Bell Atlantic
Bell South
Cincinatti Bell
ISDN BRI, ZEPHYR, AND YOU
Ordering ISDN
Dealing with the Phone Company
Details, Details
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The Faxable ISDN Order Form (for use in US only)
FAXABLE ISDN BRI LINE ORDER FORM
PROTOCOL: National ISDN-1
PROTOCOL: AT&T Point-to-Point (Custom)
PROTOCOL: AT&T Point-to-Multipoint (Custom)
PROTOCOL: Northern Telecom DMS100 Functional (Custom, PVC1)