ABB 1MRS119000 Bedienungsanleitung
1MRS119000
Plug-in Modem
Operator´s manual
2
1MRS 750577-MUM EN
Issued 98-06-02
Version A
Checked MKa
Approved OV
Data subject to change without notice
1MRS119000
Plug-in Modem
Contents
1.0 General ......................................................................................................... 4
1.1 Introduction ......................................................................................... 4
1.2 Type marking ........................................................................................ 5
1.3 Features ................................................................................................. 5
1.4 Technical specifications ......................................................................... 6
1.4.1 LED indicator functions .............................................................. 6
1.4.2 Interface connectors ..................................................................... 6
1.4.3 Telephone line interface ............................................................... 6
1.4.4 Private line ................................................................................... 6
1.4.5 Radio interface ............................................................................. 7
1.4.6 DTE ............................................................................................ 7
1.4.7 Power consumption ..................................................................... 7
1.4.8 Environmental conditions............................................................ 7
1.4.9 Mechanical dimension ................................................................. 7
1.5 Block diagram ....................................................................................... 8
1.6 Power supply and booting ..................................................................... 9
1.7 LED indicators ..................................................................................... 9
1.8 On board controls ................................................................................. 9
1.9 Loudspeaker .......................................................................................... 9
2.0 Installation and connection ......................................................................... 10
2.1 Introduction ....................................................................................... 10
2.2 Connectors ......................................................................................... 11
2.3 Jumpers ............................................................................................... 12
2.4 Phone line connections ....................................................................... 12
2.5 Radio connections............................................................................... 12
2.6 Leased and fixed Line connections ...................................................... 12
2.7 Connection examples .......................................................................... 13
2.8 Common configuration strings ........................................................... 13
2.9 DTE connection ................................................................................. 14
2.10 Mounting............................................................................................ 14
2.11 Powering-up ........................................................................................ 14
3
3.0 Command overview .................................................................................... 15
3.1 Introduction ....................................................................................... 15
3.2 Command syntax ................................................................................ 15
3.2.1 DTE Commands ....................................................................... 15
3.2.2 AT Command guidelines ........................................................... 15
3.2.3 Basic command syntax ............................................................... 15
3.3 AT Command ..................................................................................... 15
3.3.1 AT Command guidelines ........................................................... 15
3.3.2 AT Commands, DTE Adaptation .............................................. 15
3.3.3 AT Command Format ............................................................... 16
3.3.4 Escape Code Sequence ............................................................... 16
3.4 AT Commands ................................................................................... 17
3.4.1 AT& Commands ....................................................................... 26
3.4.2 AT% Commands ....................................................................... 30
3.4.3 AT\ Commands ......................................................................... 30
3.5 Error detection and data compression commands ............................... 31
3.5.1 AT% Commands ....................................................................... 31
3.6 Special commands............................................................................... 31
3.7 AT Command Result Codes ............................................................... 32
3.8 S Registers ........................................................................................... 37
3.8.1 Factory defaults .......................................................................... 37
4.0 AT command set summary ......................................................................... 39
5.0 Service ......................................................................................................... 42
6.0 Trouble-Shooting ........................................................................................ 42
4
1.0 General
1.1 Introduction
The 1MRS119000 modem board is a multifunctional plug-in modem board which can be
used together with several distribution automation products of ABB Transmit Oy. Via the
local public telephone network or leased lines the modem provides data communication at
up to 14400 bps. Furthermore, the modem can be connected to several types of radios for
communication via a radio-operated network.
This optional modem board is used for communication between aremotely contrlled unit or
a protection relay and a host computer. It is only delivered as part of such systems. The
modem board takes care of the data communication from station-level equipment to the host
computer via a public telephone network, leased lines or a conventional radio network.
The modem is designed according to the following international ITU-T recommenda-
tions for data signalling rates up to 14400 bps:
ITU-T V.21 300 bps
ITU-T V.22 1200 bps
ITU-T V.22bis 2400 bps
ITU-T V.23 1200/75 bps
ITU-T V.32 4800/9600 bps
ITU-T V.32bis 14400 bps
The line interface fulfils the NET 4 (ETS 300 001, second edition, April 1994) specifica-
tion for the agreed countries: "Attachments to Public Switched Telephone Network (PSTN);
General technical requirements for equipment connected to an analog subscriber interface
in the PSTN".
The AT command set is used for configuration of both the telephone modem and the
radio modem. Configuration is done via the RS 232 serial interface with help of a PC/
Terminal (DTE).
The remote configuration of the modem offers users network management capabilities.
The user can configure the modem at remote sites from local modems, without having to
visit the local stations or rely on the service personnel to follow instructions.
5
1.2 Type marking
The type marking of the modem consists of a type number, a temperature range code and
a country code. The type number is 1MRS119000-_ _ _. The one-letter temperature range
code and the two-letter country code specify the service temperature range and the desti-
nation country where the modem is to be installed. The country code is needed to make
sure that the public line part of the modem has been approved for use in the destination
country. The status of approval per country can be inquired from ABB Transmit Oy or
ABB's local customer centre.
Example of the type marking:
1MRS119000 -AFI
|||
| | Country code FI = Finland
||
| Temperature range A = +5…+50°C
| B = -20…+60°C
Type number
Country codes are:
AR = Argentina AT = Austria AU = Australia BE = Belgium
BR = Brazil CA = Canada CH = Switzerland CO = Colombia
CZ = Czech republic DE = Germany DK = Denmark EE = Estonia
EG = Egypt ES = Spain FI = Finland GB = Great Britain
GR = Greece HK = Hong Kong HU = Hungary ID = Indonesia
IE = Ireland IL = Israel ID = Indonesia IT = Italy
MX = Mexico MY = Malaysia NL = Netherlands NO = Norway
NZ = New Zealand PH = Philippines PL = Poland PT = Portugal
SA = Saudi Arabia SE = Sweden SG = Singapore SI = Slovenia
TR = Turkey TW = Taiwan RU = Russia VE = Venezuela
ZA = South Africa
1.3 Features
DTE Interface: an RS232 serial interface with hardware handshaking, connected to two 9-
pin female D-connectors.
Line interface: a transformer-coupled telephone line interface with tone and pulse dialling.
The line interface can be used in both 2-wire and 4-wire dial-up and leased line connec-
tions.
Radio interface: a combined interface for connecting either a leased line, or a radio trans-
ceiver.
Both the Line interface and Radio interface can be used for communication over leased
lines.
Indication LEDs: The seven LEDs show the operation status of the modem.
Designed for operation in distribution automation environment.
6
1.4 Technical specifications
1.4.1 LED indicator functions
Total 7 LEDs:
LIN Modem connected to line (off hook), Green
connected to line relay control signals
RNG Indicates a true ringing signal Green
TXD Transmitted data. Connected to the modem TxD signal Green
RXD Received data. Connected to the modem RxD signal. Green
CD Carrier detect. Green
RTS Request to send. Green
IRF Internal Fault detected by the watchdog. Normally off. Red
1.4.2 Interface connectors
Connector Type Function
X1 64-pin Euro power supply
X2 9-pin D-connector RS 232 serial interface
Xn.1 RJ12 public telephone network
Xn.2 9-pin D-connector RS 232 serial interface
Xn.3 10-pin leased line / radio
Loudspeaker on-board, adjustable sound volume
1.4.3 Telephone line interface
Modes Dial up, 2-or 4- wire leased or fixed line, Xn.1/1-6
ITU-T recommendations:
ITU-T V.21 300 bps
ITU-T V.22 1200 bps
ITU-T V.22bis 2400 bps
ITU-T V.23 1200/75 bps
ITU-T V.32 4800/9600 bps
ITU-T V.32bis 14400 bps
1.4.4 Private line
Input sensitivity -43 to dBm, Xn.3/1-2 or 3-4.
Output level software adjustable, -2 to -17 dBm, Xn.3/1-2.
Modem configuration AT commands and S registers, Jumper settings
7
1.4.5 Radio interface
Modes Radio, 2- or 4-wire private line
Input sensitivity -43 dBm, Xn.3/1-2 or 3-4.
Output level software/automatic adjustable,-2 dBm ... -17 dBm, Xn.3/1-2.
Subcarrier detector 12 - 60 V forward voltage, 0.3 - 1.8 mA.
6 V maximum backward voltage. Xn.3/9-10.
TX/RX switch (PTT) relay operated (5 A, 30 Vdc, 250 Vac), Xn.3/6-8.
TX/RX delay adjustable between 30 and 2000 ms
Modem configuration AT commands and S registers
1.4.6 DTE
Interface 2 x RS232 in parallel, X2 and Xn.2.
Data speed Auto detection between 300 - 38 400 bit/s
Data format Auto detection between:
7 or 8 data bits
odd, even or no parity
1 stop bit
1.4.7 Power consumption
5 V typical 165 mA, max 250 mA
24 V passive typical 26 mA, active typical 45 mA, max. 60 mA
1.4.8 Environmental conditions
Ambient temperature range
- normal +5…+50°C
- extended -20…+60°C
Storage temperature range -40…+125°C
Relative humidity 15…90%, non-condensing
1.4.9 Mechanical dimension
Size 160 x 233.4 mm (E2), component high max 16 mm.
The modem is approved and manufactured by Westermo Teleindustri AB,
640 40 Stora Sundby, Sweden.
8
1.5 Block diagram
SERIAL
INTERFACE
INDICATOR
CIRCUIT
MICRO
CONTROLLER
MODEM
DATA
PUMP
MCU
CRYSTAL
EEPROM RESET
CIRCUIT
LINE
INTERFACE
MDP
CRYSTAL
SPEAKER
CIRCUIT
EPROM SRAM
Fig. 1. Block diagram
9
1.6 Power supply and booting
The plug-in modem board is an optional unit for ABB Transmit Oy protection and con-
trol products. The modem is powered by the equipment it is used in and does not need a
separate external power supply.
Modem settings are stored in non-volatile memory on the modem board and read after
powering up. For certain settings, the microcontroller to which the modem is connected,
sends initialisation strings after power-up of the unit.
The supply voltages are: +5Vdc ±2% / 165 mA for the electronics
+24Vdc ±10% / 45 mA for the relays and LEDs
1.7 LED indicators
Communication to and from the modem, as well as the modem operation status can be
checked with help of seven diagnostic LED indicators.
The LED indicators are:
LIN Modem connected to line (off hook), Green
connected to the line relay control signals
RNG Indicates a true ringing signal. Green
TXD Transmitted data. Connected to the modem TxD signal Green
RXD Received data. Connected to the modem RxD signal. Green
CD Carrier detect. Green
RTS Request to send. Green
IRF Internal Fault detected by the watchdog. Normally this LED is off. Red
1.8 On-board controls
The 1MRS119000 is designed on a single printed circuit board (PCB). The board con-
tains 11 series of jumpers for country-specific settings. The jumpers can only be reached
after removing the PC board from the rack it normally is mounted in.
The jumpers are not allowed to change by users because of country-specific rules and
approvals.
1.9 Loudspeaker
An on-board piezoelectric loudspeaker is provided, mainly for testing purposes. For nor-
mal, silent operation, the loudspeaker can be switched off, or set to a low volume by alter-
ing certain settings. Refer to the chapter ‘Command Overview’.
10
2.0 Installation and connection
2.1 Introduction
The installation of the 1MRS119000 consists mainly of making the physical connections
between the modem and the telephone network, leased line, fixed lines or radio equip-
ment. The power supply connection and the connection for data transfer to and from the
microcontroller (protective relay, I/O unit) are made after the modem board has been
properly inserted. Mounting of the modem board is described in the manual of the equip-
ment it is part of. A separate connector is provided to connect the modem to a PC using a
standard RS232 cable. This connector is only used for setting up the modem and for
service. Setting up the modem can also be done remotely.
Installation procedure:
1. Insert the PC board properly into the rack. As the modem board normally is ordered as
part of other distribution automation equipment, this is done by the factory.
2. Connect the modem to the dial-up lines, leased line or radio equipment. For setting up
the modem, connect a PC temporarily to the modem board.
3. Attach the auxiliary supply and check the operation of the modem with help of the LED
indicators.
4. Verify that the modem settings are in conformance with the network configuration and
match with the settings of the modem used at the host computer. Check for error cor-
rection, baud rate, data compression, etc. See the chapter ‘Command overview’ for a
detailed description on the available modem commands.
5. Verify self-test results. See chapter ‘Self-test’.
6. Check the modems operation in the network.
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