WaveWare TMR1P User Manual

DAVISCOMMS (S) PTE LTD

TMR1P

(POCSAGTM TELEMETRY MESSAGING RECEIVER)

USER GUIDE AND

EVALUATION KIT MANUAL

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TABLE OF CONTENTS:

1. TMR1P PRODUCT FEATURES.......................................................... 3

2. TMR1P MESSAGE PROTOCOLS....................................................... 9

3. TMR1P EXAMPLES ........................................................................... 12

4. TMR1P HARDWARE AND SOFTWARE INSTALLATION............ 13

5. TMR1P ELECTRICAL SPECIFICATIONS........................................ 15

6. TMR EVALUATION KIT SETUP AND OPERATION....………….. 17

7. TMR1P 20-PIN CONNECTOR SPECIFICATION.....................….…. 25

8. TMR1P MODULE DIMENSIONS...................................................….. 26

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1 TMR1P Product Features

1.1 Product Description

The TMR1P is able to receive alphanumeric messages and send via the RS232 serial output to
any industrial standard display device. The RS232 port speed of 1200/2400/4800/9600/19200
baud rate with even/odd/none parity option can be set through the TPS. TMR1P supports both
numeric and alphanumeric vector. However, there are some constraints in using numeric vector to
send the control codes for both control and display data, which will be specified in the relevant
sections.

1.2 Receiver Frequency

The TMR1P’s receive frequency is normally set during the production of the units in accordance
to customers’ specifications. The receive frequency can be changed by using the TMR
Programming Software (TPS) by programming the frequency synthesizer.

1.3 Multiple Addressing

The TMR1P can support up to 7 POCSAG capcode addresses.

1.4 LED Indication

The following table describes the different indications of the LED for different conditions:

S/No LED Indication Status Condition
01 Continuously on Reset is successful After Power on
02 Blinking every half a second EEPROM failure After Power on
03 Blinking every 2 seconds until

synchronization is restored

04 Blinking every 0.3 second for

up to 3 seconds

1.5 Output Control Codes

The TMR1P is able to control different industrial applications such as motor, relay,
lighting and electronic-lock by sending the right control codes through its 8 output ports
(1/0/k/s/r).

When a port control code sent is “1”, the corresponding output port is set to high state or source
state.

Lost synchronization or Out
Of Range (OOR)

Receiving a new message Power on and in

Power on and in
Stand-by mode

Stand-by mode

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When a port control code sent is “0”, the corresponding port is set to low state or sink state.

When a port control code sent is “k”, the corresponding port’s state remains unchanged from its
previous state (“k” means “keep”).

When a port control code sent is “s”, the corresponding port is set to a state which is the opposite
of the previous state (“s” means “toggle”).

When a port control code sent is “r”, the corresponding port is reset to high impedance state (“r”
means “reset”). All 8 ports can also be reset to high impedance if the reset control code “r” is sent
(refer to MESSAGE PROTOCOL section), or if the device is programmed with the TPS.

When the TMR1P is switched off and on again, the states of all the 8 output ports will
remain unchanged.

For numeric vector, the control code supported is either “0” or “1”, control code “k”, “s”
and “r” are not supported.

1.6 Output Display Message

The TMR1P is able to receive numeric and alphanumeric messages and send via the RS232 serial
output to any industrial standard display device. The message buffer size is 10,240 bytes and the
maximum message length is 4096 bytes. For continuous receiving, it can receive messages of
1000 characters. The RS232 port speed of 1200/2400/4800/9600/19200 baud rate with
even/odd/none parity option can be set through the TPS.

1.7 Error Message

When the TMR1P detects any errors in a received message, it will discard the message, truncate
the error message, or send the error message as it is without any truncation, depending on the TPS
setting (error message handling option) programmed in the unit.

TPS Option:
Error Message

: Send/Truncate/Discard

1.8 Configuring an Output as Source or Sink

Two (2) of the 8 output ports can support up to a maximum of 1A source current at High
state or to sink a maximum of 1A drain current at Low state. The other 6 ports have a
maximum current rating of 100mA for both source and sink (High and Low state).

1.9 Out Of Range Indication

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If Out Of Range (OOR) Indication is enabled in the TPS, the TMR1P can indicate an OOR
condition. The LED on the device will blink every 2 seconds until the OOR condition disappears
or the device is back to synchronization with the network.

TPS Option:
Out of Range

: enable/disable

1.10 Serial Interface (RS232 Port)

The serial interface used by the TMR is a half-duplex type. Both data and command information
are sent over this interface. The serial interface can be reconfigured to match to the host
equipment by means of some special paging codes. The TPS allows settings of the baud rate and
parity bit to be changed.

TPS Options:
Parity

: Even/Odd/None

Baud rate

: 1200/2400/4800/9600/19200 bps

1.11 Flow Control

Communications between the TMR1P and the host is done asynchronously through the RS232 or
TTL serial ports (TXD output). A signal is generated to alert the host equipment that a message is
available. This is done by asserting the RTS line. There is also a clear-to-send (CTS) line from
the host to the TMR1P that signals the host is ready to accept commands. The TMR1P is able to
buffer 10,240 bytes of data before it overflows.

TPS Option:
Flow Control

: enable/disable

1.12 Serial Data

To automatically send data out the serial port, the Flow Control programming option in the TPS
must be disabled. If the Flow Control is enabled, the user can have more control over the
message. These features are further described in the following sections.

1.13 RTS Control

This option allows the use of the RTS line to indicate to the external host device that there is a
new page data ready to be sent out of the serial port. This line will turn to logic low when the
TMR1P is ready to send data out of the serial port.

1.14 CTS Control

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If flow control is enabled, the CTS line is used to determine if the host is ready to receive data
from the TMR1P. When the host has received an RTS and is ready to receive the data, a logic
high is asserted. If the host disables the CTS line while the complete message is not fully
received, TMR1P will perform timeout for 10 seconds. If the host re-asserts the CTS line before
timeout, the TMR1P will continue to send out the remaining message to the host. If the CTS line
is asserted after timeout, the TMR1P will resend the entire message provided the message has not
been overwritten by the incoming paging messages.

When CTS is asserted, TMR will delay for a programmable interval before sending out data.
This programmable delay is a TPS option.

TPS Option:
CTS Response Delay

: (0 – 10000ms)

1.15 Over-the-Air (OTA) Programming

Over-the-air (OTA) programming is a method of changing TMR1P settings without requiring the
TMR1P to be physically connected to a PC. OTA programming commands are transmitted over
the paging system as alphanumeric messages.

You can use the TMR1P TPS (Telemetry Programming Software) to generate the OTA strings
that are to be sent to TMR1P. The TPS itself does not send the OTA strings; separate paging
software is required for that. OTA reprogramming can only be used with TMR1P that had the
OTA password field set when they were last programmed through a connection to PC.

Each TMR1P will only process OTA messages received on Capcode 1. The TMR1P will not
process OTA messages received on other capcodes. Additionally, the TMR1P cannot process
OTA messages where there was an error in transmission, or if the TMR1P is off.

For more information on OTA programming, please refer to the on-line help file in the TMR1P
TPS.

Cautions: When an OTA string of incorrect password is received 8
times by a TMR, it will set
the RF Disable Bit in the EEPROM and disable the receiver
permanently. The only way out is to
erase the EEPROM and start afresh. If OTA is attempted with a
correct password prior to the 8

th

incorrect password, the TMR will reset the OTA password count to
0, thus allowing 8 more tries.
A page is considered as a candidate for a valid OTA string as
long as the OTA header matches
“)&)NP1”. The purpose of such design is to prevent unauthorised
users from hacking the TMR
via OTA.

1.16 Sub-Address Control

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The TMR1P processes the received data only when the sub-address received is correct. The sub­address (4-characters: 0~9, a~z, A~Z) can be programmed via the TPS.

For numeric vector, the

sub-address is supported only from character “0” to “9”.

TPS Option:
Sub-address Control
Sub-address

: (4 characters, char type: 0~9, a~z, A~Z)

: enable/disable

1.17 Message Header Control (used for display data through the serial port)

For the convenience to display messages in different display devices, the TMR1P can
send up to 40 pairs of Hex codes or 80 characters (“0”~”F”) in total through its serial port
There are two kinds of message headers. Header1 (up to 20 pairs of Hex codes) can be
pre-programmed or disabled by the user in the TPS. Header2 (up to 20 pairs of Hex
codes) can be sent out together with the message sent by the user or operator. For
numeric vector, the 20 pairs of hex codes for header 2 is supported only from character
“0” to “9”. (Refer to Section 3 Message Protocol)

The header will be treated as displayed data under the following conditions: invalid hex
code, hex codes not in pair, no “[[ ]]” pair, or more than 20 pairs of hex codes in either
header 1 or header 2.

TPS Option:
Msg-Header Control
Msg-Header

: 1~20 pairs, ‘0’~’F’ characters (2~40 characters, must be even or in pairs)

: enable/disable

1.18 Message Trailer Control (used for display data through the serial port)

For the same reason above, the TMR1P can also send two kinds of message trailers
through its serial port to different display devices. Trailer2 (up to 20 pairs of Hex codes)
can be pre-programmed or disabled by the user in the TPS. Trailer1 (up to 20 pairs hex
codes) can be sent out together with the message sent by the user. For numeric vector, the
20 pairs of hex codes for trailer 1 is supported only from character “0” to “9”. (Refer to
Section 3 Message Protocol)

The trailer will be treated as displayed data under the following conditions: invalid hex
code or hex codes not in pair. If there are more than 20 pairs of hex codes in either trailer
1 or trailer 2, the excess characters will be truncated and the remaining 40 characters will
be processed to determine whether it is a valid trailer.

TPS Option:

Msg-Trailer Control: user/default/disable
Msg-Trailer (when “user” is selected)

even or in pairs)

Msg-Trailer

(when “default” is selected): EOT (04)

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: 1~20 pairs ‘0’~’F’ charactersr (2~40 characters, must be

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1.19 Message Source ID Control

The TMR1P can send any index number of the 7 capcode addresses at the start of a message and
this function can be enabled or disabled by the user in the TPS.

TPS Option:

Msg-Source ID: enable/disable

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2 TMR1P Message Protocol

2.1 Control Data Profile

This is used to send control commands to the 8 output ports for control purpose.

Message Format: (Sub-address) + Prefix + Control data

TPS Option:
Control Data Prefix

Sub-address: 4 Characters
(0~9, a~z, A~Z)

This Sub-address can be
enabled or disabled via
the TPS.

User can also send a shorter command to control the 8 output ports. However, the states of the 8
output ports will be identical after the control data is received successfully. The message format is
the same, except the Control data.

: “[“ / “#”

Prefix: “[[[“ or
“###” is a TPS
programmable
option. It is the
label of output
control code.

Control data: “[“ + P1P2P3P4P5P6P7P8 + ”]”
are used to control the 8 output ports.

Note: “[ ]” pair must exist which is the sub­prefix of the control code.

P1~P8 represents the control code sent to the 8
corresponding ports and stands for either one
of the characters: “1”, “0”, “k” or “K” or “s”
or “S”.

“1”- the corresponding output port set to logic
high (source)

“0”- the corresponding output port set to logic
low (sink)

“k” or “K” - the corresponding output port’s
state remains unchanged from the previous
state

“s” or “S” - the corresponding output port
toggles to the opposite state from the previous
state

“r” or “R” - the corresponding output port is
reset to high impedance state

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Sub-address: 4 Characters
(0~9, a~z,, A~Z)

This Sub-address can be
enabled or disabled via
the TPS.

Prefix: “[[[“ or
“###” is a TPS
programmable
option. It is the
label of output
control code.

Control data: “[“ + P + “]” are used to control
the 8 output ports.

Note: “[ ]” pair must exist which is the sub­prefix of the control code.

P represents the control code sent
simultaneously to the 8 corresponding ports
and stands for either one of the characters:
“1”, “0”, “k” or “K” or “s” or “S”.

“1”- all the 8 output ports set to logic high
(source)

“0”- all the 8 output ports set to logic low
(sink)

“k” or “K” - all the 8 output ports’ states
remain unchanged from the previous states

“s” or “S” - all the 8 output ports toggle to the
opposite states from the previous states

“r” or “R” - all the 8 output ports are Reset to
high impedance state. This is the same state as
when the TMR1P has just been programmed
by the TPS.

2.2 Display Data Profile

This is used to send control commands to the RS232 serial output port for display control
purpose.

Message format: (Sub-address) + (Header1 + Header2) + (Source ID) + Display data + (Trailer1

+ Trailer2)

Message Format of the message that the user sends:
Sub-address: 4 Characters
(0~9, a~z,, A~Z)

This Sub-address can be
enabled or disabled via the
TPS.

“[[“ + Header2 + “]]”

Character type: “0”~”F”
(2~40 characters, must
be even or in pairs)

If there is no “[[ ]]” pair,
the TMR1P will treat the
Header2 as display data.

Display data: Up
to 3000
characters
per message

“??” + Trailer1
Character type:
“0”~”F” (2~40
characters, must be
even or in pairs)

Note: Label “??” is
the prefix of
Trailer1. This
Trailer label will be
selectable throu

h

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the Windows TPS
.

For numeric
message source,
(‘0’ to ‘9’, ‘*’, ‘U’,
‘-‘, ‘[‘, or ‘]’) can
be used as the trailer
delimiter.

Message Format of the data that the TMR1P sends to the RS232 serial output port:
Header1 + Header2 (value
is Hex 0~F)

Header1 (up to 20 pairs of
Hex codes) can be pre­programmed or disabled by
the user in the TPS.

Header2 (up to 20 pairs of
Hex codes) is the one that
is sent out by the user.

“(“ + Source ID + ” )”

This is the index number
of the capcode address
and can be enabled or
disabled by the user in
the TPS

Display data: Up
to 3000
characters
per message

Trailer1 + Trailer2
(value is Hex 0~F)

Trailer1 (up to 20
pairs hex codes) is
the one that is sent
out by the user.

Trailer2 (up to 20
pairs of Hex codes)
can be pre­programmed or
disabled by the user
in the TPS.

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3 TMR1P Examples

Assuming the Sub-address is “1234”, Header1 is pre-programmed using the TPS as “00ff”,
Trailer2 is pre-programmed as “eeff”, and the Source ID is enabled with the capcode index of the
capcode address that the TMR1P is receiving the message as 4.

3.1 Example 1

If the user sends out the following page: “1234[[[[1011k0t1]”

Interpretation: This is to control the 8 output ports. Sub-address is "1234", ports P1, P3, P4 and

P8 are set to logic high, ports P2 and P6 are set low, port P5’s state remained
unchanged, and port P6’s state is toggled to the opposite state from the previous
state.

3.2 Example 2

Assuming the Sub-address is now disabled through the TPS and if the user sends out the
following page: “[[[[1011k0k1]”

Interpretation: This is to control the 8 output ports. Sub-address is "1234", ports P1, P3, P4 and

P8 are set to logic high, ports P2 and P6 are set low, port P5’s state remained
unchanged, and port P6’s state is toggled to the opposite state from the previous
state.

3.3 Example 3

i) If the user sends out the following page: “1234 [[[[1]”

Interpretation: This is to control all the 8 output ports simultaneously and in this case, all ports

will be set to logic High (source).

ii) If the user sends out the following page: “1234 [[[[0]”

Interpretation: This is to control all the 8 output ports simultaneously and in this case, all ports

will be set to logic Low (sink).

iii) If the user sends out the following page: “1234 [[[[s]”

Interpretation: This is to control all the 8 output ports simultaneously and in this case, all ports

will be set to the logic state which is the opposite of the previous state.

iv) If the user sends out the following page: “1234 [[[[k]”

Interpretation: This is to control all the 8 output ports simultaneously and in this case, all ports

will be remain at the same as state as the previous state.

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iv) If the user sends out the following page: “1234 [[[[r]”

Interpretation: This will Reset all the 8 ports to high impedance state

3.4 Example 4

If the user sends out the following page: “1234Daviscomms”, without the prefix “[[[“

Interpretation: Since there is no “[[[“ prefix, it is not meant to control the 8 output ports. The

display data is “Daviscomms”. The TMR1P will send Header1 “00ff”, Source ID
“4”, Trailer2 “eeff” and the message data “Daviscomms” to the RS232 serial
output.

3.5 Example 5

If the user sends out the following page: “1234[[A25BF6]]Daviscomms??22446688AA”, without
the prefix “[[[“

Interpretation: Since there is no “[[[“ prefix, it is not meant to control the 8 output ports.

The display data is “Daviscomms”. The TMR1P will send Header1 “00ff”,
Header2 “A25BF6”, Source ID “4”, Trailer1 “22446688AA “, Trailer2
“eeff” and the message data “Daviscomms” to the RS232 serial output.

4. TMR1P HARDWARE AND SOFTWARE INSTALLATION

Installing programming software and connecting test cables are described in this section.

4.1 System Requirements

Please make sure your system meets the following requirements:

- Intel Pentium or better processor

- 16 MB of RAM

- Microsoft Window 98 2ed, Windows 2000 or Windows XP operating systems

4.2 Software Installation

1. The programming software is downloadable from
http://www.daviscomms.com.sg/pager_software.html

2. The current software installation file is TMR1P TPS1.05.EXE. Follow the step-by-step
instructions on the screen during the installation.

4.3 Programming Kit Hardware

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Please ensure you have the following:

• TMR1P

• Parallel cable (with DB25 connectors)

• Programmer box (rectangular black box)

• Power adapter for programmer box

• Programmer cable (thin cable, 4-pin prong on one end and RJ-11 on the other end)

4.4 Programming Kit Hardware Setup

1. Locate the parallel port (LPT1) on the rear of your computer, and connect the 25-pin parallel
cable. If you have another device connected (such as a printer), please disconnect that device first.

2. Connect the other end of the parallel cable to the programmer box.

3. Connect the small end of the TMR1P programmer cable to the programmer box (the connector
looks like a phone jack).

4. Connect the power adapter to the programmer box, and plug it into a working socket. A green
light on the box indicates it is functioning.

5. Connect the 4-prong end of the TMR1P programmer cable to TMR1P by inserting it into the
four gold contacts on the TMR1P, making sure that the notched end of the connector faces away
from the circuit board. It is not necessary to power on the TMR1P unit if you use the
programmer box package.

Programming Kit Setup

Programmer Cable setup

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5. TMR1P ELECTRICAL SPECIFICATION

S/No Electrical Specifications Range Unit

01 Operating Frequency

VHF 135 -- 175 MHz
UHF 452 -- 468 MHz

900Mhz 929 -- 932 MHz
02 Channel Spacing 25 KHz
03 Frequency Deviation ±4.5 KHz
04 Frequency Step Size

VHF 5 KHz

UHF 12.5 KHz

900MHz 25 KHz
05 Frequency Stability

VHF ±15 PPM

UHF ±5 PPM

900MHz ±2.5 PPM
06 Paging Protocol

POCSAG 512/1200/2400 Bps
07 Supply Voltage

To pager system 3V~5V, 8V~15V V

To interface circuit 3V~15V V
08 Current Drain (with 3V supply voltage)

Peak Receive, I/O at high impedance 15 mA

Receive off, I/O at high impedance 4 mA

Maximum Allowable B+ Current 1 A
09 Temperature

Operating for VHF & UHF -10 to +50 °C

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Operating for 900MHz +5 to +40 °C

Storage -40 to +80 °C
10 Page Sensitivity 1200 Baud (TEM C.F = 22.5)

VHF/UHF -107 dBm

900MHz -104 dBm
11 EIA Selectivity @ 25kHz

VHF/UHF > 55 dB

900MHz > 50 dB
12 Image & Spurious Rejection

VHF/UHF > 50 dB

900MHz > 40 dB
13 Low level Intermodulation Rejection

VHF/UHF > 50 dB

900MHz > 40 dB

S/No Inputs / Outputs

1 2 DC Power Supply Inputs +3~5V or +8~15V
2 1 TXD Output for Serial Data Operation RS232 or TTL Output
3 1 RXD Input for Serial Data Operation

RS232 or TTL Output

(not supportable for current version)
4 Serial Port Baud Rates (Bps) 2400, 4800, 9600, 19200
5 8 Customer Configurable Outputs 2 ports at 1A, 6 ports at 100mA.

Current Source (logic 1) and Sink
(logic 0)

S/No General

1 Physical Dimension 50mm x 50mm x 10mm

(L x W x H)
2 Weight 30g
3 RF Input Internal built-in Antenna (standard).

External with BNC or OSX female connector

(optional)
4 20-Pin Connector Interface 20-pin male connector for voltage supply, RS232,

TTL and 8 I/O’s.
5 Programming Interface 4-pin pads to be used with Parallel Programming

Kit supplied by Daviscomms (or through

pin1(sdata), pin9 (clk), power supply and ground

pins of 20-pin Connector Interface)

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6

. TMR EVALUATION KIT SET-UPS AND OPERATION

The Evaluation board is designed to facilitate the testing and evaluation of the TMR1P receiver
modules. It contains the following features:

• Built-in regulated DC power supply

• LED status indicators for the digital outputs

• Jumpers to select power source for the TMR1P

• Jumpers to select serial port operating mode (RS232 or TTL)

• Connection to programming cable

6.1 Evaluation Kit Hardware

Evaluation Board
Power Adapter, 12Vdc, 1 amp
Serial Cable; D-Sub 9 pins (male) to D-Sub 9 pins (female)
Programming Cable, DB25 female to RJ-45 (8 pins)

6.2 Evaluation Board Features.

- The Evaluation Board is designed to aid in programming, testing and to develop new
applications for the TMR1P Module.

- The 8 LEDs monitor signals sent to the digital outputs, D0 to D7.

- An LED turns on when the output bit is set to Logic High.

- An LED will turn off when the output bit is set to Logic Low or to High Impedance.
See Section 1.3, Output Control Codes, for information on how to send messages to the TMR1P
to control the digital output bits.

The Frequency and Capcodes can be programmed on the attached TMR1P module
through the Parallel Port on a PC. This will allow programming the TMR1P when it is
connected to the Evaluation Board.

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12VDC power
ada

ter

D-sub 9-pin Serial cabl
(male) to connector on
the Evaluation Board

Telemetry

essage Receive

(TMR Module)

RJ-45 cable to the RJ-45
connector on the

valuation Board

Figure 1. Evaluation Kit set-up with TMR module, Evaluation Board and various cables.

1. Plug the TMR module 20-pin connector into the Evaluation Board 20 pins connector (Fig. 1).

2. Connect RJ-45 connector to the RJ-45 Jack on the Evaluation Board (Fig. 1). Connect DB25­pin connector of the programming cable to Parallel Port on PC (Fig.2). (This connection need
only be made if the TMR will be re-programmed with a new frequency or CAP code.)

3. Connect the male portion of the D-Sub 9-pins serial cable to connector on the Evaluation
Board (Fig. 1). Connect female portion of the D-Sub 9-pins serial cable to the Serial Ports (COM
ports) on PC (Fig.2).

4. Connect power connector (12Vdc adapter) into power jack on the Evaluation Board.

5. The power LED will light on the Evaluation Board and on the TMR module.

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D-Sub 9-pin connector to Serial
Port (COM ports) of PC

DB25-pin connector to Parallel
Port (LPT1) of PC

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Fig 2. Set-up at PC Side (Back of PC)

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6.3 Hardware Jumper Settings For TMR Evaluation Board

! Warning, If VIN2 (J4) is used to power the TMR, then VIN1 (J5) should

not be used and should be left open by removing the jumper at JP3or moving
the jumper to pin3 position at JP3.

3.6 Position 3.7 Description 3.8 Comments

JP1

JP2

VIN3 selection

TTL/RS232 level
select

JP3

VIN1 selection,
or Vin2 selection

JP5 and JP6 Flow control

selection

Put jumper across pins 1-2 (default +5Vposition) to power the TMR
digital outputs from the Evaluation Board +5VDC supply. Put
jumper across pins 2-3 ( EXT position ) to power the TMR’s digital
outputs from an EXT 3 to 15 VDC power source connected to J6.

Put jumper across pins 1-2 for RS-232 levels on the D-Sub 9 pin
serial connection (default). Put jumper across pins 2-3 for TTL levels
on the D-Sub 9 pin serial connection.

Put jumper across pins 1-2 (default +5V position) to power the TMR
from the Evaluation Board’s+5VDC supply. Put jumper across pins
2-3 (EXT position) to power the TMR from external 3 to 5VDC
power source connected to J5 for VIN1 input, or 8 – 15Vdc power
source connected to J4 for VIN2 input.

Put jumper across JP5 and JP6 to enable flow control feature
(Default)

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D-Sub 9 pin Serial Connector

RJ-45 Connector

TMR EVALUATION BOARD

PIN 1

PIN 3

20 pin connector

22

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When you connect power (8V to 15V) to the VIN2 connection at J4, the jumper at JP3 should be
removed or placed in the EXT position with J5 (VIN1) left unconnected.

When you connect Power to J5 (3V to 5V), change the jumper block on JP3 to connect Pin 2 (VIN1)
to Pin 3 (EXT) and leave J4 (VIN2) unconnected.

When you connect power to J6 (3V to 15V) Change the jumper block on JP1 to connect Pin 2 (VIN3)
to Pin3 (EXT). If you are using a module that has TTL output, not RS232, switch both JP2 and JP4 to
connect Pin 2 and Pin 3 (TTL).

6.4 TMR Evaluation Board Schematic

(Refer to the next page)

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24

TMR EVALUATION BOARD SCHEMATICS

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7. TMR1P 20-PIN CONNECTOR SPECIFICATION

No. Description No. Description

1 SDATA 11 VIN3
2 D0 - 1 Amp 12 D1 – 1 Amp
3 D2 13 D3
4 D4 14 D5
5 D6 15 D7
6 TX1-RS232 level 16 RTS
7 TXD-TTL level 17 CTS
8 VINI 18 LED
9 CLK 19 VIN2
10 GND 20 GND

VIN1 - Power Supply for Pager System, 3.0V-5.0V
VIN2 - Power Supply for Pager System, 8.0V-15.0V
VIN3 - Power Supply for Customer Configurable Ports, 3.0V-15.0V

Note: Please DO NOT use VIN1 and VIN2 at the same time

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8. MODULE DIMENSIONS

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