Pub. 43004-019C GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA 610-777-1374 800-492-1212 Fax: 610-796-5954 VISIT W
Foreword PL1877A Microprocessor Radio Telephone Interconnect 12/10 4 Model Chart Model Description PL1877A PL1877A Microprocessor Radio Telephone Inte
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 94 Dial Tone Detection Parameter Function 64 Disable disconnection
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 95 12/10 Mobile Inactivity Timer Parameter Function 122 Mobile inactivity
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 96 ASCII Equivalents in Hexadecimal Character ASCII Equivalent Cha
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 97 12/10 Toll Restrictions Parameter Function 46 Don’t allow 9 as the fir
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 98 Autodial The auto-dial feature allows storage of up to nine often
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 99 12/10 Parameter Function 297–316 Auto-dial location #7 317–336 Auto-d
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 100 Parameter Function 58 Disable land-line direct channel access o
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 101 12/10 Direct Access/Selective Signaling Password Parameter Function 45
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 102 Emergency Call Direct Access Parameter Function 24 Disable emer
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 103 12/10 Installation To enable the station/repeater enable feature, prog
PL1877A Microprocessor Radio Telephone Interconnect Foreword 5 12/10 The following field installation kits and accessories are available for the PL1
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 104 Parameter/Function Reference Table Para-meter No. Description
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 105 12/10 Para-meter No. Description Control Digits Refer to Section o
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 106 Para-meter No. Description Control Digits Refer to Section o
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 107 12/10 Para-meter No. Description Control Digits Refer to Section o
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 108 Para-meter No. Description Control Digits Refer to Section o
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 109 12/10 Para-meter No. Description Control Digits Refer to Section o
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 110 Para-meter No. Description Control Digits Refer to Section o
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 111 12/10 Para-meter No. Description Control Digits Refer to Section o
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 112 Para-meter No. Description Control Digits Refer to Section o
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 113 12/10 Para-meter No. Description Control Digits Refer to Section o
Foreword PL1877A Microprocessor Radio Telephone Interconnect 12/10 6 Specifications General Input voltage ...
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 114 Para-meter No. Description Control Digits Refer to Section o
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 115 12/10 Para-meter No. Description Control Digits Refer to Section o
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 116 Para-meter No. Description Control Digits Refer to Section o
117 12/10 Features Second Line Option The PL1877A Second Line Option (Kit No. XTI0001A) provides mobile users with the ability to answer and origin
Features PL1877A Microprocessor Radio Telephone Interconnect 12/10 118 The *2* command can also be used when the PL1877A is generating a busy signal t
PL1877A Microprocessor Radio Telephone Interconnect Features 119 12/10 If the landline user desires to page several mobiles at once, he enters the p
Features PL1877A Microprocessor Radio Telephone Interconnect 12/10 120 If a landline user attempts to transmit a group call when parameter 1009 specif
PL1877A Microprocessor Radio Telephone Interconnect Features 121 12/10 Multi-Mode Selective Signaling When the PL1877A is programmed for multi-mode
Features PL1877A Microprocessor Radio Telephone Interconnect 12/10 122 Motorola/EIA 5-Tone 5-Tone capcodes consist of five digits. If dual addressing
PL1877A Microprocessor Radio Telephone Interconnect Features 123 12/10 Selective Signaling Input Parameter Function 1005 Disable pulse dial decoding
7 12/10 Description General Description The PL1877A Radio Telephone Interconnect is a highly advanced DSP-based tool to connect to a public telepho
Features PL1877A Microprocessor Radio Telephone Interconnect 12/10 124 Parameter Function 1085 The number of digits accepted from a mobile user for s
PL1877A Microprocessor Radio Telephone Interconnect Features 125 12/10 Parameter Function NOTE: If you desire to link user IDs in this manner, disa
Features PL1877A Microprocessor Radio Telephone Interconnect 12/10 126 Selective Signaling Types DTMF Parameter Function 1090 DTMF outpulse timing.
PL1877A Microprocessor Radio Telephone Interconnect Features 127 12/10 Plectron Parameter Function 1093 Plectron paging A tone length. The number
Features PL1877A Microprocessor Radio Telephone Interconnect 12/10 128 Motorola 5/6 Tone Parameter Function 1008 Disable 5-Tone diagnostic mode = 0. E
129 12/10 Paging Types of Paging The PL1877A supports the following types of paging: DTMF, 2-Tone, Plectron 5/6-Tone, 1500, and 2805. NOTE: In man
Paging PL1877A Microprocessor Radio Telephone Interconnect 12/10 130 If no digits were required from the operator (programming the number of 2-Tone d
PL1877A Microprocessor Radio Telephone Interconnect Paging 131 12/10 Table 1. 2-Tone Paging Code Plans (Chart B) Important Note: The first digit i
Paging PL1877A Microprocessor Radio Telephone Interconnect 12/10 132 Table 2. Tone Group Frequency Chart (Chart A) The chart below cross-references
PL1877A Microprocessor Radio Telephone Interconnect Paging 133 12/10 Plectron Paging The Plectron paging feature requires a 4-digit prefix (capcode)
Description PL1877A Microprocessor Radio Telephone Interconnect 12/10 8 • Time out warning – If the line has been inactive for a certain period of ti
Paging PL1877A Microprocessor Radio Telephone Interconnect 12/10 134 Table 4. Plectron Tone Group/Frequency Chart (in Hz) 3rd and 4th Digits 0 1
PL1877A Microprocessor Radio Telephone Interconnect Paging 135 12/10 Table 7 - 5/6 Tone Preamble Chart 2-Digit Preamble with Corresponding Frequency
Paging PL1877A Microprocessor Radio Telephone Interconnect 12/10 136 Table 9 - DPL Code Chart DPL Code # = DPL Code 0 = 23 22 = 152 44 = 343 66 =
137 12/10 PL1877A – Radio Installation This section covers the installation information for the specific radio models listed below. General instal
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 138 If the PL1877A is to be dc-powered, connect the red lead i
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 139 12/10 Intercabling Diagram for Signal Search Simplex Mode – Mi
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 140 Mitrek Consolette – Enhanced VOX Simplex Mode Make the fol
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 141 12/10 Using the Parameters Modification Procedure in this manua
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 142 Intercabling Diagram for Enhanced VOX Simplex Mode – Mitr
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 143 12/10 4. Reverse Burst Disable (necessary for signal search mo
9 12/10 Installation Typical PL1877A Installation The PL1877A can be placed on any flat level surface (desk top) that provides the operator with f
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 144 Earth ground - Run the supplied #12 (or larger) wire from
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 145 12/10 3. 60-Second Mobile Inactivity Timer: In the enhanced VO
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 146 4. Reverse Burst Disable (necessary for signal search mod
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 147 12/10 Earth ground - Run the supplied #12 black ground wire fro
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 148 2. Repeater transmit turn-off delay in repeater control s
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 149 12/10 MICOR RCB Repeater PL1877A Half-duplex mode: To facilitat
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 150 Required Parameters - Using the Parameters Modification Pr
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 151 12/10 FLEXAR Repeater Install the following modifications/addit
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 152 Earth ground - Run the supplied # 12 black ground wire fro
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 153 12/10 T1600 Series Remote Interfacing In this mode of operation
Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 10 Rack-Mount Installation The optional Model XAC0005A Rack-Mount Kit for the P
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 154 All other parameters are programmed as applicable to syste
PL1877A Microprocessor Radio Telephone Interconnect PL1877A – Radio Installation 155 12/10 MAXTRAC 300/GM300 Base Station Enhanced VOX Mode – Instal
Pl1877A – Radio Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 156 The PL1877A could also be configured to use the PL1877A’s
157 12/10 Theory of Operation Power Supply DC power enters the PL1877A via J2 and passes through fusible resistor R350. Common-mode choke L201 act
Theory of Operation PL1877A Microprocessor Radio Telephone Interconnect 12/10 158 Digital Signal Processing Receive audio enters the module through U
PL1877A Microprocessor Radio Telephone Interconnect Theory of Operation 159 12/10 Radio Interface Receive audio from the station receiver, enters vi
Theory of Operation PL1877A Microprocessor Radio Telephone Interconnect 12/10 160 Line Interface The line interface complies with FCC part 68 rules,
161 12/10 Main Circuit Board
Main Circuit Board PL1877A Microprocessor Radio Telephone Interconnect 162
PL1877A Microprocessor Radio Telephone Interconnect Schematics 163 Component Layout for MDP Circuit Board
PL1877A Microprocessor Radio Telephone Interconnect Installation 11 12/10 Ground Cable The PL1877A is designed with a high degree of protection agai
Main Circuit Board PL1877A Microprocessor Radio Telephone Interconnect 164
165 12/10 Definitions and Acronyms Term Definition CSQ Carrier squelch Capcode The identifying number on the outside of the radio pager. It is r
Notes: PL1877A Microprocessor Radio Telephone Interconnect 166
Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 12 P1 Radio Connector The 16-pin radio connector (P1) pin designations are show
PL1877A Microprocessor Radio Telephone Interconnect Installation 13 12/10 Internal Diagnostics Test 1 – TX Softpot Adjustment This test activates bo
12/10 Publication 43004-019C ii CONFIDENTIALITY NOTICE This manual is provided solely as an operational, installation, and maintenance guide and cont
Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 14 Test 4 – Mobile-to-Phone Path 2 Test 4 is identical to Test 3 with the follo
PL1877A Microprocessor Radio Telephone Interconnect Installation 15 12/10 Off Hook Status of an Attendant Phone - If the LED is lit, the attendant p
Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 16 Test 9 – HC11 DSP Communications In this test, the HC11 and DSP communicatio
PL1877A Microprocessor Radio Telephone Interconnect Installation 17 12/10 Level Setting A service monitor or communications system analyzer is requi
Installation PL1877A Microprocessor Radio Telephone Interconnect 12/10 18 While in Diagnostic Test 3, ensure that the Carrier Detect Input LED (marked
19 12/10 PC Programming General Description The IAPS Software, included on No. XAC4000A Programming Bundle CD, is needed to program the features of
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 20 IAPS Programming To start the IAPS program, click on the IAPS Icon. This
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 21 12/10 Input/Output Input/Output – I/O Settings When the main menu screen appea
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 22 Serial Port Setup The PL1877A can be programmed from the Local Port or th
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 23 12/10 Input/Output – I/O Settings - Read Remote For Remote Programming, it is
12/10 Publication 43004-019C iii Table of Contents FOREWORD...
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 24 Input/Output – Remote Programming -Dialing Directory If there are multipl
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 25 12/10 Installation Installation – Radio Interface Parameters These parameters
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 26 External Logic Carrier Detect Polarity If Carrier Detect Source has been
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 27 12/10 Installation – Telephone Line Settings Talk Battery Voltage Select the
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 28 Basic Operation Basic Operation – Mode Selection Mode of Operation Selec
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 29 12/10 Enhanced VOX Ticks If enabled, short attention-getting “ticks” are sent
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 30 Basic Operation – Operational Settings Mobile Call Origination Enables or
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 31 12/10 Basic Operation – Programming Privileges Remote DTMF Parameter Modificat
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 32 Access/Release Settings Access/Release – Mobile Initiated – Mobile Acces
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 33 12/10 Multi-Digit Release Codes - Prefix/Suffix Determines whether the Multi-D
Table of Contents PL1877A Microprocessor Radio Telephone Interconnect 12/10 Publication 43004-019C iv Input/Output – I/O Settings - Read ITI6000A...
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 34 Access/Release – Mobile Initiated – Mobile Access Release - Security Code
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 35 12/10 Override Restriction Starting with 0 When the PL1877A is programmed such
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 36 Telephone Line Access Prefix 0 to 6-digit prefix to * command. See also:
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 37 12/10 Access/Release – Telephone Initiated - Misc. Access/Release Disconnectio
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 38 Access/Release – Global Access/Release Station/Repeater Control Mode Enab
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 39 12/10 Signaling Signaling – Telephone Line Dialing – Dialing Method Telephone
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 40 DTMF On Time for Telephone Line Dialing Selects the DTMF digit On-Time (i
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 41 12/10 Signaling – Telephone Line Dialing – Auto-dial Numbers There are 25 aut
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 42 Signaling – Telephone Line Signaling Toll Restriction Prefixes Toll Restr
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 43 12/10 Station Identifier NOTE: The terms SID (Station Identifier) and CWID (C
Table of Contents PL1877A Microprocessor Radio Telephone Interconnect 12/10 Publication 43004-019C v Enhanced VOX Simplex Mode...
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 44 Paging Paging – Telephone Line Paging Enabled from Telephone Line – Line
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 45 12/10 Paging – Attendant Paging Paging Enabled from Attendant Enables or disab
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 46 Phone Line/Attd DTMF Dialing Interdigit Time Selects the time allowed bet
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 47 12/10 Paging – Paging Format – 2805 Paging Parameters 2805 Paging Tone Off Tim
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 48 Paging – Paging Format – 5-Tone Paging Parameters 5-Tone Diagnostic Enabl
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 49 12/10 Paging – Paging Format – Multi-Mode Paging Table The top portion of the
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 50 Tone 1 & 2 Frequencies Tone 1: First of two tones generated during a
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 51 12/10 Service Adjust Service Adjust – Service Diagnostics Service Diagnostics
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 52 Service Adjust – Manual Off hook - Telephone Line Off hook Threshold Volt
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 53 12/10 Mobile Programming of Auto-Dial Numbers If allowed by programming, mobil
Table of Contents PL1877A Microprocessor Radio Telephone Interconnect 12/10 Publication 43004-019C vi Miscellaneous Features ...
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 54 Wildcard Access/Release This provides a mobile user with the ability to c
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 55 12/10 Programming Wildcard Access/Release The wildcard access prefixes can be
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 56 Wildcard Access/Release with Paging This feature can provide added securi
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 57 12/10 Paging with Direct Channel Access With this feature, direct channel acce
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 58 Programming the Wildcard Code for use with Paging If you wish to allow on
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 59 12/10 Miscellaneous Information about Wildcard Access/Release Feature Capcode
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 60 Multi-Digit Access/Release Multi-Digit Access This feature provides a met
PL1877A Microprocessor Radio Telephone Interconnect PC Programming 61 12/10 It may not be desirable to override all of the restrictions in listed in
PC Programming PL1877A Microprocessor Radio Telephone Interconnect 12/10 62 Multi-Digit Release This feature requires entry of a DTMF suffix after th
63 12/10 Operator Instructions Mobile Originated Calls The PL1877A Radio Telephone Interconnect is capable of operating in three different modes to
1 12/10 Foreword User Instructions (USA) This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 64 Press the * button on your encoder. After a short delay, you shou
PL1877A Microprocessor Radio Telephone Interconnect Operator Instructions 65 12/10 The following is a list the mobile commands: Abbreviated Mobile Co
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 66 Landline Originated Calls The landline (telephone-originated) call
PL1877A Microprocessor Radio Telephone Interconnect Operator Instructions 67 12/10 Multi-Digit Access/Release Multi-Digit Access The multi-digit acce
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 68 Security Code (Privileged User Override Code) The security code co
PL1877A Microprocessor Radio Telephone Interconnect Operator Instructions 69 12/10 Installation of the Multi-Digit Access Feature It is recommended t
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 70 The second bypass parameter for each access prefix (that is parame
PL1877A Microprocessor Radio Telephone Interconnect Operator Instructions 71 12/10 To satisfy these differing requirements, you create two multi-digi
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 72 Linking Multi-Digit Release to Multi-Digit Access When it is desir
PL1877A Microprocessor Radio Telephone Interconnect Operator Instructions 73 12/10 The wildcard access/release feature is generally used to increase
Foreword PL1877A Microprocessor Radio Telephone Interconnect 12/10 2 Scope of Manual This manual offers descriptive data and service information for t
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 74 Suppose you have changed your mind and decided that you don’t want
PL1877A Microprocessor Radio Telephone Interconnect Operator Instructions 75 12/10 Selective Signaling with Direct Channel Access In this situation,
Operator Instructions PL1877A Microprocessor Radio Telephone Interconnect 12/10 76 5. Program the required values into the wildcard template. For th
77 12/10 Parameter Modification Procedure Terminal Programming Feature NOTE: GAI-Tronics recommends using the programming software to set up the P
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 78 Clear Parameters – Parameters may be cleared by entering the comm
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 79 12/10 Modem Operator Instructions To access the remote terminal program
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 80 Procedure from Landline Telephone Two telephone lines are require
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 81 12/10 Procedure from a Mobile or Portable Equipped with DTMF Pad From t
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 82 Mobile Programming of Auto-dial Numbers If enabled by parameter 5
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 83 12/10 4. If you wish to abandon modification of this phone number with
PL1877A Microprocessor Radio Telephone Interconnect Foreword 3 12/10 Safe Handling of CMOS Integrated Circuit Devices Many of the integrated circuit
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 84 Installation The frequency is stored in parameter 358. Determine
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 85 12/10 Carrier Detect Methods The following parameters determine the sou
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 86 General Purpose Inputs Parameter Function 66 GPI-1 input is acti
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 87 12/10 Miscellaneous Receiver Input Audio Source The input from the rece
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 88 Telephone Interface Parameter Function 163 Off-hook voltage thre
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 89 12/10 Dialing Characteristics Parameter Function 31 DTMF land-line sig
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 90 Parameter Programming Methods Terminal Programming Parameter Func
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 91 12/10 Mobile Access Methods Mobile Access Command Parameter Function 11
Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect 12/10 92 Triple Key Access The PL1877A can be programmed to allow answerin
PL1877A Microprocessor Radio Telephone Interconnect Parameter Modification 93 12/10 Parameter Function Multi-digit Release as Related to Multi-digit
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