Sign In
Upload
Download
Table of Contents
Contents
Add to my manuals
Delete from my manuals
Share
URL of this page:
HTML Link:
Bookmark this page
Add
Manual will be automatically added to "My Manuals"
Print this page
×
Bookmark added
×
Added to my manuals
Manuals
Brands
ZETRON Manuals
Media Converter
25
Technical manual
ZETRON 25 Technical Manual
Programmable encoder
Hide thumbs
1
2
Table Of Contents
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
page
of
174
Go
/
174
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Warranty Statement
Copyright Notice
Introduction
Installation Precautions
Connection of the Model 25 Power Supply
Supply Connection
Proper Grounding of the Model 25 Encoder
Application and Service Information
Specifications
General Specifications
Special Features Specifications
Electrical Specifications
Detailed Operation
Front Panel Description, Encoder with Keypad
Front Panel Description, Instant Calls
Status Description, Encoder with Keypad
Status Description, Instant Calls
Clear Key
Power-On
Keypad (Manual) Operation
The Keyboard Stack (the ENTER Key)
Clearing an Entry (the CLEAR ENTRY Key)
Sending a Call (the SEND Keys)
Clearing an Entry {The CLEAR ENTRY Key)
Sending Live Calls
Generating Alerts (the ALERT Key)
Alert Type
Displaying the Time (The'*' Key)
Accessing Call Stacks
Instant Call Operation
The RESET Key
Instant Call Key Numbering
Remote Control Operation/ Call Logging
Call Logging
Setting the Time Clock
Causes for Error Beeps
The Calling Sequence
The Contro 1 Relays
Channel Busy Monitoring
Keying Method
Calling Sequence Summary
Relay Timing Diagram
ENCODER Installation
Proper Grounding of the Model 25 Encoder
Inside the Encoder
Model 25 - Disassembly and Circuit Location View of Encoder
Keypad Enable/Disable
Display Scroll Enable/Disable
Channel Busy Impedance
Audio Level Adjustment Range
Computer Port Connector Position
Computer Port Connector Posit Ion
Instant Call Clear Key Function
Instant Call Left Column Function
Outside the Encoder
Programming Enable/Disable Switch
Model 25 - Rear View of Encoder
Transmitter/Console Control
Channel Busy Monitors
Audio Output/Routing
Tone Monitor
Serial Port Control
Panel Labels
The Clock Option
Software Changes
Auxiliary Panel Installation
Installation Warning
Basic Functional Description
Section 6 - Theory of Operation
System Block Diagram
Digital Encoder Board Block Diagram
Digital Encoder Board
Microprocessor Control
Reset Circuit
Memory
Front Panel Input/Output (1/0)
Relay 1/0
Computer Port and Loop 1/0
Beeper Driver
Analog Board
Channel Busy Inputs
Relays
Tone Generators
Combo Front Panel Board Block Diagram
Front Panel Board
Clock Board Block Diagram
Clock Board
Encoder Supply Board
Instant Call Panel Driver Board Block Diagram
Instant Call Panel Driver Board
Microprocessor Control
Reset Circuit
Loop Input/Output
Beeper
Instant Call Switch Panel I/O
Power Regulators
Instant Call Switch Panel Board Block Diagram
Instant Call Switch Panel Board
Troubleshooting
Power-On Self-Test
Continuous Self-Test
Control Relay
Instant Call Key Test
Encoder Fault Identification
Instant Call Fault Identification
Parts Lists, Schematics, Parts Identification
Interconnect Diagram
Encoder with Keypad Parts List {901-9019N)
Encoder with Keypad Parts List (901-9019N)
Strain Relief
Aux Instant Call Panel Parts List (901-9020G)
Encoder W/O Keypad Assy Parts List (901-9022L)
Encoder Supply Sub-Assy Parts List {815-9008C)
Encoder Supply Sub-Assy Parts List (815-9008C)
Digital Board Parts List (702-9022L)
Analog Board Parts
Front Panel Board Parts I.D. (702-9020A)
Combo Front Panel Parts List (702-9020A)
Encoder Supply Board Parts I.D. (702-9027C)
Encoder Supply Parts List (702-9027C)
Encoder Supply Board Parts I. D. ( 702-9027C)
Instant Call Driver Board Parts Silkscreen (702-9023-IG/-2J)
Instant Call Switch Panel Parts I.D. (702-90218.1)
Real Time Clock Parts List (702-9028G)
Spare Parts Kit Parts List (951-9002F)
Appendix A - Format Specifications
Motorola and G.e. Tone Group Frequencies
General Encoding Plans
Reach Encoding Plan
Zetron Tone Groups for Reach Encoding
Reach Code Plan
5/6-Tone Frequencies and Timings
DTMF Tone Pair Frequencies and Timing
Golay Sequential Format
Method 1: Direct Channel Keying
Method 2: Momentary Channel Select
Pin Signal
Pin Label
Appendix C - Interfacing Model 25 to CAD Systems
Computer-To-Encoder Interface
Command Protocol
Computer Port Electrical Specifications
Computer Port Physical Specifications
Computer Port Communications Protocol Specifications
ASCII Control Character Usage
Suggested Remote Control Parameter Programming
Advertisement
Quick Links
Download this manual
Z E T R 0 N
Model 25 Progranmable Encoder
Technical Manual
#025-9018R
This manual applies only to Model 25s with version 1.50 or later software.
COPYRIGHT 1985-1993 ZETRON, INC.
Table of
Contents
Previous
Page
Next
Page
1
2
3
4
5
Advertisement
Table of Contents
Need help?
Do you have a question about the 25 and is the answer not in the manual?
Ask a question
Questions and answers
Related Manuals for ZETRON 25
Media Converter ZETRON Model 25 Product Manual
Programmable encoder (147 pages)
Media Converter ZETRON 15P Operating Manual
Field programmable multi-format encoder (124 pages)
Media Converter ZETRON Model 16 Operating Manual
Alphanumeric encoder (93 pages)
Related Products for ZETRON 25
ZETRON 2000 Series
ZETRON 280
ZETRON 284
ZETRON 27
ZETRON 26
ZETRON 15P
ZETRON Model 16
ZETRON Model 25
Table of Contents
Print
Rename the bookmark
Delete bookmark?
Delete from my manuals?
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL
Need help?
Do you have a question about the 25 and is the answer not in the manual?
Questions and answers