ZETRON Model 16 Operating Manual Download Page 64

Page: 64 / 93

4D. HAYES COMPATIBLE MODEM INTERFACE

Introduction ..................................................... 4D-1

Programming ...................................................... 4D-1

Modem operation .................................................. 4D-2

Local operation .................................................. 4D-3

Using DTR/DCD handshaking ................................. '..... 4D-3

Modem communications protocol ................................... 4D-4

Model  16 default  initialization  string  .....................  4D-5
Model  16  default  hangup  string  .............................   4D-5
Model  16  command  string modifiers  ..........................   4D-5
Hayes  compatible modem S-register  summary  ..................  4D-6

AT command response codes .................................. 4D-6
AT command summary .......................................... 4D-7

Summary of Contents for Model 16

Page 2: ...IONS General specifications 2 1 Programming specifications 2 2 Electrical specifications 2 3 Environmental requirements 2 3 3 BASIC OPERATION Power up 3 1 Startup message 3 1 Reset 3 1 Idle 3 2 Comput...

Page 3: ...tation ID 3 7 Remote Control 3 7 Transmission flowchart 3 8 KEYBOARD PAGING Keyboard paging mode 3A 1 Logon 3A 1 Timeouts 3A 1 User database paging 3A 1 User number 3A 1 Message 3A 2 Example 3A 3 Full...

Page 4: ...3B 3 Message entry 3B 3 Operation 3B 3 Programming checklist for Model 16 3B 4 Programming checklist for entry station 3B 5 4 PROGRAMMING Programming the Model 16 4 1 Initial program values 4 1 Stora...

Page 5: ...Z 4A 8 Call counting B 4A 8 Set time date S future option 4A 8 Range transmissions R 4A 8 4B USER PROGRAMMING Pager capabilities 4B 1 User menu 4B 1 Capcode C 4B 1 Function U 4B 2 Msg type M 4B 2 Form...

Page 6: ...Model 16 default hangup string 4D 5 Model 16 command string modifiers 4D 5 Hayes compatible modem S register summary 4D 6 AT command response codes 4D 6 AT command summary 4D 7 5 DATA COMMUNICATIONS...

Page 7: ...aging terminal to Motorola PURC station digital 6 6 Tone Remote Control 6 7 Tone Remote Control Protocol 6 9 Transmission adjustments 6 10 Test page 6 11 I O signal lists 6 12 Transmitter J2 6 12 Comp...

Page 8: ...eric Paging Terminal Operating Manual TABLE OF CONTENTS 8 REFERENCE Alphanumeric pagers 8 1 Motorola Optrx 8 1 NEC D4 Alpha 8 1 Panasonic Panapage 1000 8 2 Glossary of terms used inthis manual 8 3 Jum...

Page 9: ...ty repair work on this device must be done by Zetron Inc or a Zetron authorized repair station COPYRIGHT NOTICE The software in this product is copyrighted by and remains the property of Zetron Inc Re...

Page 10: ...1 INTRODUCTION How to use this manual 1 1 General 1 2 Features terminal and peripheral encoder 1 2...

Page 11: ...s available in Section 8 Quick Reference Look here if you still have a question not answered by one of the chapters listed above To the System Operator 1 Most importantly you should read Section 3 Bas...

Page 12: ...tensive set of other features makes the Model 16 an attractive choice for adding alphanumeric message capabilities to new or existing paging installations FEATURES Local serial port for computer or CR...

Page 13: ...2 SPECIFICATIONS General specifications 2 1 Programming specifications 2 2 Electrical specifications 2 3 Environmental requirements 2 3...

Page 14: ...riber number or full capcode Computer CRT Interface One RS 232C compatible serial input Field selectable data transmission rate for 300 1200 2400 4800 or 9600 baud even odd or no parity Connect Log on...

Page 15: ...ptions Batch period 0 2550 seconds Numeric message formatting en disable for Golay Station ID Enable disable 15 or 30 minute interval 8 character call sign Station Attributes Channel busy input polari...

Page 16: ...ted 0 5 A at 150 VDC Input for transmit inhibit due to unavailable radio channel Relay closure or TTL level signal Input for transmit inhibit due to unavailable transmitter for multiple terminal shari...

Page 17: ...omputer serial I Oanswer 3 2 Computer serial disconnect 3 2 Computer access 3 2 Computer logon 3 3 Operating mode selection flowchart 3 4 Batching 3 5 Transmit 3 5 Request 3 5 Inhibits 3 6 Keying 3 6...

Page 18: ...gramming memory and reinitialize it if necessary At the completion of Power Up a Startup Message is displayed on the screen of any CRT or terminal that may be connected to the serial computer port STA...

Page 19: ...uiry ID The caller can then select which operating mode is wanted by typing the ID character or character string and entering it with CR COMPUTER SERIAL DISCONNECT The Paging Terminal will remain in t...

Page 20: ...COMMENTS CR Accessing devicerequests attention ID Paging Terminalgrantsattention inquires of Device Identity identity Device Identity Where identity is one of the five shown below OPERATING MODE DEVI...

Page 21: ...serial computer port LOGON LOGON 2 Wait up to 10 seconds for CR key 3 Print ID 4 Wait up to 10 seconds for ID character s CR ID P PROGRAMMING Section 4 M USER DATABASE PAGING Section C FULL CAPCODE PA...

Page 22: ...o be simultaneously accepting pages and transmitting others there are a number of Batching spaces available In this way the Terminal can be transmitting the information from one Batch space while accu...

Page 23: ...l Busy LED lights and the Model 16 will be prevented from keying PTT As soon as BOTH inputs are cleared the Terminal extinguishes the Busy light and starts a timer for the period of the programmed Cha...

Page 24: ...aging the Terminal will not key up just to transmit the Station ID Finally the ID is sent after the paging data so that no page is delayed by the ID transmission REMOTE CONTROL The remote control inte...

Page 25: ...Turn on HLGT Wait programmed time Turn off HLGT Turn on FI tone Set keyup delay to 250 ms 6 Wait the programmed Key Up Delay Time PAGE 7 Send digital paging data GRANT 8 Is the Hold Request input asse...

Page 26: ...g mode 3A 1 Logon 3A 1 Timeouts 3A 1 User database paging 3A 1 User number 3A 1 Message 3A 2 Example 3A 3 Full capcode paging 3A 3 Format 3A 3 Capcode 3A 3 Function 3A 4 Message 3A 4 Alpha y n 3A 4 Pa...

Page 27: ...he User Database mode because of the number of questions that must be answered Full Capcode Paging is intended as an aid to Installation or for pager testing LOGON The Logon procedure is described in...

Page 28: ...Only page Numeric messages may consist of numbers and a few special characters depending on the type of pager PAGER TYPE NUMERIC CHARACTER SET Golay Numeric 0123456789 E U space SAG Numeric 012345678...

Page 29: ...t it is entered in the User Database This mode is valuable for paging testing and installation Enter C and CR at the ID prompt If the Security is Enabled enter the four character code and CR when prom...

Page 30: ...Terminal will send a Tone Only page ALPHA Y N The Operator must specify whether the message just typed should be encoded as an alphanumeric type Y for Yes or as a numeric type N for No page Sometimes...

Page 31: ...ty was not recognized The Operator should try again with care taken to type Upper Case letters Only 3 Logon attempts are permitted before the Terminal Disconnects The entered User Number is larger tha...

Page 32: ...Entry stations 3B 1 Custom applications 3B 1 Name and pager number 3B 1 Service and protocol ID 3B 3 Message entry 3B 3 Operation 3B 3 Programming checklist for Model16 3B 4 Programming checklist for...

Page 33: ...e It may service a number of incoming CRT terminals where operators enter pages manually The computer references its own subscriber base and passes pages to the Model 16 that consist of a complete pag...

Page 34: ...scriber gets a new pager or type of service Some Entry Stations may not support a 12 digit pager ID Enter the pager ID to the Entry Station as follows ID TYPE PAGER ID FIELD COMMENTS User number xxxx...

Page 35: ...he alphanumeric character set In addition the message length should be kept within the bounds set for the Format type that is being paged The Model 16 will truncate messages received that are longer t...

Page 36: ...to custom applications to an external computer This rate must match that of the computer Dial up Entry Stations always use the modem at 300 baud Local timeouts Communications Disable Disable the inac...

Page 37: ...eq d Select the function digit required by the pager to receive alpha message pages see Section 9 Quick Reference Be sure that any Users to be paged are validated Any User to receive messages must not...

Page 38: ...del 16 4 1 Initial program values 4 1 Storage 4 1 Suggested order of programming 4 2 Initialization 4 2 System menu selections 4 2 User menu selections 4 2 Programming logon 4 3 Main menu 4 3 Making s...

Page 39: ...e data in its Programming memory is intact The first time that the unit is powered however it finds that it has never been Programmed so it initializes itself and sets a number of variables to values...

Page 40: ...in the System Menu System Menu Selections 4 The Transmitter parameters should be set by the Installer detailed in Section 7 Installation 5 Set the Station ID parameters if this option is required 6 Cr...

Page 41: ...d data The other reason is to provide a small measure of security against unauthorized persons learning the access codes to the Paging Terminal Operator Paging Terminal Comments CR ID P CR Access code...

Page 42: ...ead to unwanted results note type ahead may not be possible when Programming from a personal computer that displays on an LCD screen especially at fast baud rates because the personal computer sends c...

Page 43: ...ng shown Press CR before typing anything else if the displayed setting is be kept Type a new string using any combination of characters as required Press CR to enter the string the terminal will autom...

Page 44: ...cations C 4A 1 Paging options 0 4A 2 Paging formats F 4A 3 Station ID I 4A 4 Transmitter X 4A 4 Passwords P 4A 6 Configuration G 4A 6 History H 4A 7 Reset Z 4A 8 Call counting B 4A 8 Set time date S f...

Page 45: ...istory F Paging formats Z Reset Call counting I Station ID X Transmitter S Set time date G Configuration R Range transmissions Input a letter CR to exit Communications C As each parameter is programme...

Page 46: ...owed settings are none Clear To Send Request To Send CTS RTS Data Carrier Detect Data Terminal Ready DCD DTR These are standard interface signals as defined by the EIA RS232C specification Most instal...

Page 47: ...d programming as many formats as need to be used As each parameter is programmed the current setting is displayed Press CR to keep the current setting or input a new one Format type 0 7 Paging format...

Page 48: ...rval time has expired but only after a page If Station ID is Enabled Interval 15 or 30 minutes Enter 15 CR for 15 minute intervals Enter 30 CR for 30 minute intervals Call sign to 8 chars The Call Sig...

Page 49: ...of a Busy signal at the Channel Busy and Terminal Busy inputs until possible PTT relay activation Multiply the desired time in seconds by 10 to find the value to input Example for a channel busy time...

Page 50: ...still light and the Request to Transmit output will still operate even if Transmitter inhibit is selected Passwords P It is VERY IMPORTANT to write down the passwords whenever they are changed so tha...

Page 51: ...s that the Model 16 returns when it is in the Buffered Paging modes When validated Users are successfully paged a large proportion of ACK s should accumulate in proportion to NAK s and RS s A large nu...

Page 52: ...Year If it is not correct answer Yes to set it Enter the month 1 12 day 1 31 and year last two digits only Range transmissions R 0 disabled 1 512 baud 2 1200 baud 3 both This selection allows the POC...

Page 53: ...NG Pager capabilities 4B 1 User menu Capcode C Function U Msg type M Format F Display D Validate V Priority P Require message R Tone only 0 Reset Z 4B 1 4B 1 4B 2 4B 2 4B 2 4B 3 4B 3 4B 4 4B 4 4B 4 4B...

Page 54: ...he attributes can be assigned to a range of Users This is useful because most of the pagers within the system are likely to be programmed with the same or similar operating characteristics In addition...

Page 55: ...apcodes to Users also enter the number of the last User that should be included in the range If programming a single User enter a CR for the through User See the examples below for more on how to assi...

Page 56: ...appear on a standard sized 25 line display If listings are shown for Users outside the call capacity of your Model 16 they should be ignored The column header is shown as User Va Pr To Rm Tk A1 Fm Fu...

Page 57: ...e Thus priority pages may leave batches virtually empty and thus decrease the number of pages that can be sent in a set amount of time Require Message R This attribute is for those Users who carry dis...

Page 58: ...ibers needs priority paging We have decided to limit their message size to 300 characters As a first step we need a Paging Format that they all can use From the System Programming Menu we proceed F Fo...

Page 59: ...assigned to User 10 through User 39 M Msgs Y alpha N numeric Y N Yes assigned to User 10 through User 39 P Priority page Y N Yes assigned to User 10 through User CR P Priority page Y N Yes assigned t...

Page 60: ...4 CALL COUNTING Call counting menu 4C 1 Display counts D 4C 1 Clear counts Z 4C 1 Getting a printout of call counts 4C 2 Downloading counting data 4C 2...

Page 61: ...ator would read the counts out periodically perhaps every month then clear them to zero to start a new billing period Because there are millions of possible digital paging capcodes the Terminal counts...

Page 62: ...that is displayed on the screen When the required data has all been displayed the operator deactivates the download function and is free to process the data stored in memory without being on line and...

Page 63: ...s point the Model 16 is back in service and the operator has a file containing the Call Counting data that can be processed at his or her convenience The Counts for the Users have been cleared and a n...

Page 64: ...eration 4D 3 Using DTR DCD handshaking 4D 3 Modem communications protocol 4D 4 Model 16 default initialization string 4D 5 Model 16 default hangup string 4D 5 Model 16 command string modifiers 4D 5 Ha...

Page 65: ...odel 16 9600 baud no parity is the factory default The other communications parameters should be 1 start bit 1 stop bit full duplex The programming mode is accessed in the usual manner by logging on w...

Page 66: ...6 will detect ringing on the telephone line and will auto answer the line after the programmed number of rings have been seen factory default is 1 ring After the modem answers a new incoming call and...

Page 67: ...presence or absence of a carrier signal from the calling modem This type of hardware signaling ensures that the Model 16 disconnects when the calling modem hangs up which reduces the possibility of t...

Page 68: ...etect from a previous call It then send the modem initialization string again expecting an OK from the modem When first powered on if the Model 16 has been programmed for modem operation it will send...

Page 69: ...line escape character is CR carriage return used to terminate command strings Model 16 Default Hangup String ATHO delay 1 5 seconds escape sequence delay 1 5 seconds AT AT command follows HO Hang up p...

Page 70: ...ct response time S10 1 255 1 10 sec Delay from carrier loss to hangup Sll 50 255 msec DTMF on off time S12 0 255 1 50 sec Escape sequence guard time S13 15 Reserved AT Command Response Codes Numeric V...

Page 71: ...on until connect 2 on always 3 on except when dialing or when carrier detected 0 returns to online state after an escape while connected 00 re establish online state 01 re establish online state but r...

Page 72: ...5 DATA COMMUNICATIONS PROTOCOL Connection 5 1 Logon sequence 5 1 Paging data transfer 5 3 Disconnect 5 5 Optional messages 5 6 Transaction example 5 7...

Page 73: ...Device LOGON SEQUENCE The Logon sequence is repeated each time the Paging Terminal answers a new call after having been previously in a waiting state The Logon sequence establishes the data transfer...

Page 74: ...ode Mode pppp is the four character Security Code password It should be omitted if the Security Code is disabled If it is required it is always 4 chars in length ACK CR optional CR Logon accepted ESC...

Page 75: ...e required to transmit an entire Transaction The Paging Data Transfer Sequence is Entry Device Paging Terminal STX pager field CR message CR ETXxchecksumxCR or STX pager field CR message CR ETBxchecks...

Page 76: ...tes whether the message should be encoded as numeric 0 or alphanumeric 1 data P is an ASCII digit 0 or 1 that indicates whether this page has priority 1 transmit it immediately or not 0 T is an ASCII...

Page 77: ...epted send next or NAKxCR optional CR Received block contains a checksum error retransmit it or RSxCR optional CR Received Transaction or block contains an invalid pager field or the last block has be...

Page 78: ...hecksum and calculated checksum over received data block do not agree data block requested again RS Number Out of Range The number inside the paging field is larger than any User in the Database User...

Page 79: ...ssion of the Format Blocks and enabling Transaction parameters Entry Device Paging Terminal Comments idle state CR ID Data front panel LED is on ESC PG81234 CR Entry Device wants Full Capcode mode ACK...

Page 80: ...COR 6 3 Transmitter 6 4 Digital data 6 4 Push to talk relay PTT 6 4 Request to transmit request request 2 6 4 Terminal busy busy in 6 4 Transmitter sharing 6 5 One paging terminal to transmitter conn...

Page 81: ...to install it To install a new EPROM chip 1 Turn off the power or remove the power connector at the rear 2 Remove the top cover 3 Gently pry the old EPROM from the socket labeled U14 ROM 4 Install th...

Page 82: ...r The Model 16 may be externally powered with a DC supply capable of delivering 12 to 15 volts at approximately 500 mA with no more than 1 ripple and noise COM PORT SWITCH SETTINGS PC card version onl...

Page 83: ...and full duplex MODEL 16 SIGNAL PIN CRT SIGNAL PIN Transmit Data Jl 3 Received Data 3 Received Data Jl 4 Transmit Data 2 Ground Jl 5 Ground 7 RECEIVER Only one signal is necessary from the receiver t...

Page 84: ...T normally open Request to Transmit Request Request 2 These outputs are dedicated to providing a Request to Transmit signal for shared transmitter installations These outputs go low for a period befor...

Page 85: ...mit from trying to seize simultaneously after a Channel Busy signal disappears the two terminals can be programmed for different Channel Busy times The digital signals from the two paging terminals mu...

Page 86: ...ternal Wiring Channel Busy J2 7 Channel Busy lnhibit Digital Data J2 9 Transmitter Data Input PTT Normally Open J2 10 5Transmitter Keying Digital Mode PTT Common J2 11 V Strap for Digital Ground J2 5...

Page 87: ...be increased for each link that will sequentially key via the HLGT The audio output is supplied via a 600 ohm transformer which will drive approximately 9 dBm into a 600 ohm load This level is not use...

Page 88: ...6 Link Tx LinkRx Tx Controller Transmitter TX AUD HI TX AUD LO 3 Audio In 4 7 RF or f _J Microwave Audio Out Audio In Link RF microwave cascaded links with HLGT key or link always keyed Model 16 TX AU...

Page 89: ...es 2 HLGT The High Level Guard Tone is 2175 Hz sent out at about 5 dB above the level of the modem tones This tone is an attention tone used to key link transmitters and repeaters The length of the to...

Page 90: ...oscilloscope and find the adjustment on the transmitter for changing the deviation level Select the Digital preamble test by typing D Enter a bit rate of 600 a typical paging rate and type CR This wil...

Page 91: ...g With fresh batteries in the pager turn it on 5 Access the Paging Terminal again but enter the Full Capcode Paging mode instead of Programming mode a Press Carriage Return CR and the Model 16 prints...

Page 92: ...pplying it a signal referenced either to pin 5 or ground that goes from some positive voltage greater than 2 4V to a voltage less than 0 5V or vice versa How this signal will be interpreted i e is clo...

Page 93: ...e rear looking at the back panel 5 4 3 2 1 9 8 7 6 Pin Signal 1 DATA TERMINAL READY DTR This pin is tied to 5 VDC It may be connected to the Data Set Ready DSR input of the CRT or personal computer if...

Search results

Summary of Contents for Model 16

Reviews:

Related manuals for Model 16

Brands by name

Popular brands

ZETRON Model 16, Operating Manual

Search results

Summary of Contents for Model 16

Reviews:

Related manuals for Model 16

Brands by name

Popular brands