Telenetics 2.4 Network Card User Manual
Contents
1. Installation Operation amp Diagnostics for the MIU PowerPort Series 2 4 9 6 14 4 28 8 Industrial Grade Dial Modems Book 1 of 2 See Book 2 for AT Commands Document No 49 0002 002 Jelene zes Telenetics Corporation 26772 Vista Terrace Drive Lake Forest California 92630 Telephone 949 455 4000 Fax 949 455 4010 Document No 49 0002 002 TABLE of CONTENTS STANDARDS tree itta tire ovo E S Page 2 PRODUCT OVERVIEW E Page 3 GENERAL PRODUCT SPECIFICATIONS eee Page 5 POWER MODES i een e BEER Page 6 MODEM SPECIFICATIONS eene Page 7 POWER CONNECTIONS eene eene Page 8 SERIAL DATA PORT PIN OUTS cece ere cseeceenseneens Page 9 RISCH KEE Page 10 LED INDICATOR vii art Page ll ERR e Re RE Page ll y AUTO DIAL FEATURE iui Page ll OUTLINE DRAWING amp MOUNTING ee Page 12 MODEM CONFIGURATION enne Page 13 FACTORY CONFIGURATION in Page 14 17 e DIAGNOSTICS 7 vk va lay VIA VG R ia Page 18 28 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 1 1 STANDARDS All Telenetics dial up modems are designed to meet the following Standards USA FCC Part 15 Class A and Part 68 Canada DOC Standards CS 01 CS 02 and CS 03 CANADIAN DEPARTMENT OF COMMUNICATION NOTICE NOTICE The Canadian Department of Communications DOC label identifies certified equipment This certification2. amp X0 S00 001 02 043 06 002 S07 050 S08 002 S09 006 S10 014 11 095 12 050 S18 000 S36 007 S37 000 S40 168 S41 195 46 138 S95 000 TELEPHONE NUMBERS 0 2 3 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 15 14 FACTORY CONFIGURATION MIU14 4 ACTIVE PROFILE B1 E1 LI MI NI Q0 T VI WO X4 YO amp C1 amp D2 amp G0 amp JO amp K3 amp Q5 amp RI amp S0 amp T5 amp X0 amp YO S00 001 S01 000 S02 043 03 013 804 010 05 008 S06 002 S07 050 S08 002 S09 006 S10 014 S11 095 12 050 S18 000 S25 005 S26 001 S36 007 S37 000 838 020 S44 020 S46 138 S48 007 S95 000 STORED PROFILE 0 B1 EI LI MI NI QOT VI WO X4 YO amp C1 amp D2 amp G0 amp J0 amp K3 amp Q5 amp RI amp S0 amp T5 amp X0 S00 001 S02 043 06 002 S07 050 S08 002 09 006 S10 014 S11 095 12 050 S18 000 S36 007 837 000 S40 168 S41 195 46 138 S95 046 STORED PROFILE 1 B1 EI LI MI NI Q0 T Vi WO X4 YO amp CI amp D2 amp G0 amp J0 amp K3 amp Q5 amp RI amp S0 amp T5 amp X0 S00 001 02 043 06 002 S07 050 s08 002 09 006 10 014 S11 095 12 050 S18 000 S36 007 837 000 S40 168 S41 195 46 138 S95 000 TELEPHONE NUMBERS 0 l I 3 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 16 14 FACTORY CONFIGURATION MIU28 8 ACTIVE PROFILE B0 EI LI MI NI QO T VI WO X4 YO amp C1 amp D0 amp G2 amp JO amp K3 amp Q5 amp RI amp S0 amp T4 amp X0 amp YO S00 001 S01 000 S02 043 03 013 804
3. command then the amp TO command will cause that test to be terminated provided that the modem is in the command state or a V 54 state that accepts commands from the DTE See specific amp Tn command descriptions for termination actions INITIATE LOCAL ANALOG LOOPBACK See Figure 2 When the AT amp TI command is entered the modem goes on hook and configures itself for analog loopback DSR is turned off if amp S1 is in effect the analog loopback state is entered and the test timer is set to the value in S18 A connect result code is sent to the DTE and the test timer then begins its count down The test terminates when the test timer expires If S18 equals 0 then the test must be terminated by an amp TO H0 or Z command While any command may be entered while the modem is in this test state the modem response is not specified except for HO amp TO and Z any of which will terminate the test Upon termination of the test the modem enters the command state RESULT CODE DESCRIPTION CONNECT When local analog loopback state is entered ERROR If any other amp Tn test is active except amp TO or if in the on line command state OK After test is stopped by test timer the HO command or the amp TO command MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 19 amp T2 amp T3 amp T4 NO FUNCTION PERFORM LOCAL DIGITAL LOOPBACK See Figure 3 The modem must be in the command state with c
4. T7 or amp T8 ERROR If not in on line command state ERROR If the RDL signal is not acknowledged MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 22 Telene i s amp T8 LOCAL LOOPBACK WITH SELF TEST See Figure 6 The modem should be on hook Enter AT amp TS to configure the modem for analog loopback and self test The test timer is started at the time indicated by S18 DSR is turned off if amp S1 is in effect A self test condition is entered and an OK result code is sent to the DTE During the test the modem sends a test message and counts errors in the looped back signal The test 1s terminated when the timer times out S18 or the amp TO H0 or Z command is issued When the test is terminated the three digit error count is sent to the DTE An OK result code follows the error count RESULT CODE DESCRIPTION OK If a test state is entered OK After error count is sent to DTE ERROR If any other V 54 test is active amp T1 amp T3 amp T6 amp T7 or if on line MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 23 Modem Data Controller Telco Line Telco Interface Data Pump Interface Interface R5232 or TTL Unit Unit Figure 1 TYPICAL MODEM CONFIGURATION Modem Data Controller Telco Line Telco Interface Data Pump Interface Interface RS232 Not Connected Figure 2 INITIATE LOCAL ANALOG LOOPBACK MIU Installation Operation amp Diagnost
5. amp YO S00 001 S01 000 02 043 03 013 S04 010 05 008 06 002 S07 030 S08 002 S09 006 S10 014 12 050 SI4 AAH S16 00H S S18 000 S21 00H S22 76H S23 15H 825 005 26 001 27 40H S28 00H STORED PROFILE 0 B1 EI L2 MI Q0 VI X4 YO amp CI amp D0 amp G0 amp J0 amp L0 amp P0 SOU amp R0 amp S0 amp X0 S00 001 S14 AAH S18 000 S21 00H 22 76H 23 17H S25 005 S26 001 S27 40H S28 00H STORED PROFILE 1 B1 EI L2 MI Q0 VI X4 YO ECH amp D0 amp G0 amp J0 amp L0 amp P0 SOU amp R0 amp S0 amp X0 S00 000 S14 AAH S18 000 S21 00H S22 76H 23 17H S25 005 S26 001 S27 40H S28 00H TELEPHONE NUMBERS amp Z0 amp Z1 amp Z2 amp Z3 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 14 14 FACTORY CONFIGURATION MIU9 6 ACTIVE PROFILE B1 EI LI MI NI QOT V1 WO X4 YO amp CI amp D2 amp G0 amp J0 amp K3 amp Q5 amp RI amp S0 amp T5 amp X0 amp YO S00 001 S01 000 S02 043 03 013 804 010 05 008 S06 002 S07 050 S08 002 S09 006 S10 014 S11 095 12 050 S18 000 S25 005 S26 001 36 007 37 000 838 020 844 020 S46 138 S48 007 S95 000 STORED PROFILE 0 B1 EI LI MI NI QOT V1 WO X4 YO amp C1 amp D2 amp G0 amp J0 amp K3 amp Q5 amp RI amp S0 amp T5 amp X0 S00 001 S02 043 06 002 S07 050 08 002 09 006 S10 014 11 095 12 050 S18 000 S36 007 837 000 S40 168 S41 195 46 138 S95 046 STORED PROFILE 1 B1 EI LI MI N1 Q0 T V1 WO X4 YO amp CI amp D2 amp G0 amp J0 amp K3 amp Q5 amp RI amp S0 amp T5
6. and safety features superior to those of conventional commercial modems Power Supply The MIU PowerPort can be powered from a range of AC and DC power sources 5 VDC 12 VDC Battery 7 to 16 VAC or 8 to 16 VDC An optional 120 VAC wall transformer is available from Telenetics Low Power The MIU PowerPort dial modems can be configured to enter into a power down mode In this mode an MIU PowerPort will consume only a small fraction of Its active power while waiting for either controller or telephone line activity MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 3 Telenetic Industrial The MIU PowerPort is packaged in a rugged compact non metallic ABS enclosure Designed for unmanned locations the MIUs do not include the array of pushbuttons and LEDs normally associated with consumer type modems to increase reliability and decrease power consumption Configuration is by dip switches and or software AT commands Standard industrial connectors for data analog and power interfaces allow reliable interconnection to other industrial components MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 4 Telenetic 3 GENERAL PRODUCT SPECIFICATIONS Dimensions 5 3 x 4 0 x 1 375 inches Weight 11b Voltage Supply 8 to 24 VDC 7 to 16 VAC 50 60 Hz Optional Wall Transformer 115 VAC 50 60 Hz Current Requirements See Section 4 for Power Down Modes MIU PowerPo
7. command state ERROR If the RDL signal is not acknowledged INITIATE RDL WITH LOCAL SELF TEST See Figure 5 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 21 Telenetic This is a system test end to end The command is valid only if the modems are in the command state with a connection established Configure the remote modem with an AT amp T4 command so that it will honor a remote digital loopback request Enter AT amp T7 at the local modem and it will send a digital loopback request to the remote modem After the RDL acknowledgment signal is received from the remote modem DSR is turned off if amp S1 is in effect the on line state is entered an OK result code is sent to the DTE and the test timer is set to the value in S18 While the test is active the local modem sends a test message to the remote modem and counts the errors in the received looped back signal The modems stay in the command state during the test When the test is terminated except by a loss of carrier the local modem sends the release signal to the remote modem as in amp T6 and reports the three digit error count to the DTE The information text is followed by an OK result code The test is terminated by loss of carrier or an HO amp TO or Z command and by the S18 timer running out RESULT CODES DESCRIPTION OK When command executed is started OK After error count is sent to DTE amp T1 amp T3 amp T6 amp
8. means that the equipment meets certain telecommunications network protective operational and safety requirements The department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment make sure you are permitted to connect it to the facilities of the local telecommunications company You must install the equipment using an acceptable method of connection In some cases you may also extend the company s inside wiring for single line individual service by means of certified connector assembly telephone extension cord You should be aware however that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Canadian maintenance facility designed by the supplier Any repairs or alterations made by a user to this equipment or equipment malfunctions may give the telephone communications company cause to request the user to disconnect the equipment For your own protection make sure that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Do not attempt to make electrical ground connections yourself contact the appropriate electric inspection authority or an electrician NOTICE The load number LN assigned to each terminal dev
9. the right side Toward the 2 0mm Jack DB 25 Pin 10 A DC voltage may be applied at the 25 pin data connector DC only with the positive lead connected to pin 10 and the negative lead connected to Signal Ground on pin 7 This should be a regulated 5 VDC source The slide switch adjacent to the LED must be to the left side Away from the 2 0mm Jack Internal jumper JP1 must be on pins 1 2 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 8 7 SERIAL DATA PORT PIN OUTS RS232C is the most commonly used serial data interface and defines the Physical Functional and Electrical boundaries between two or more communicating devices D SHAPED SERIAL PORT CONNECTORS are usually used to interconnect DTEs computers controllers etc and DCEs modems converters etc oon C AUN Signal CD Carrier Detect RXD Receive Data TXD Transmit Data DTR Data Term Ready Signal Ground DSR Data Set Ready RTS Ready to Send CTS Clear to Send RI Ring Indication Dial Modems On MIU Installation Operation amp Diagnostics Edition January 25 1999 DJ OO ER DH Source MODEM MODEM TERMINAL TERMINAL N A MODEM TERMINAL MODEM MODEM Page 9 Telenetic 8 DIP SWITCH SETTINGS Not Applicable The dip switches are on the PE Module Contact factory for non standard settings NOTE Opening the MIU for any reason voids the factory warranty MIU Insta
10. 010 05 008 S06 002 S07 030 S08 002 S09 006 S10 014 S11 255 12 050 S18 000 S25 005 S26 001 S36 007 S37 000 38 020 S46 138 S48 007 S95 000 STORED PROFILE 0 B0 El LI MI NI QOT V1 WO X4 YO amp C1 amp D0 amp G2 amp J0 amp K3 amp Q5 amp RI amp S0 amp T4 amp X0 S00 001 02 043 06 002 S07 030 808 002 09 006 S10 014 S11 095 12 050 S18 000 S36 007 837 000 S40 105 S41 003 46 138 S95 000 STORED PROFILE 1 B0 El LI MI NI Q0 T V1 WO X4 YO amp C1 amp D0 amp G2 amp J0 amp K3 amp Q5 amp RI amp S0 amp T4 amp X0 S00 001 02 043 06 002 S07 030 s08 002 09 006 10 014 11 095 12 050 S18 000 S36 007 837 000 S40 105 S41 003 46 138 S95 000 TELEPHONE NUMBERS 0 2 3 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 17 Telenetic 15 DIAGNOSTICS The following pages provide software and hardware techniques for diagnosing communication problems and thereby isolating the problem at either the local modem the remote modem or the interconnecting line The following AT amp Tn commands form part of the CCITT V 54 protocol and can be used for diagnostic testing Note amp Tn commands can only be used when the modem is configured for amp Q0 CR unbuffered direct asynchronous mode MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 18 amp T0 amp T1 TERMINATE TEST IN PROGRESS If a V 54 loopback test is in progress as a result of executing an amp Tn
11. OVE ALL 4 SCREWS FROM BASE OF UNIT AT ONE TIME Nl IF BASE SEPARATES FROM TOP COVER INTERNAL PARTS MAY BE DAMAGED k 4inches n Ss FS inches 5inches Telenetics Corporation 1995 drb mydocs manuals miu mount3 aa MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 12 Telenetic 13 MODEM CONFIGURATION Telenetics dial and leased line modems are based upon Rockwell chipsets These chipsets contain Rockwell s AT command set A summary of the Rockwell command set for your MIU modem is provided in Book 2 Unless otherwise specified at the time of order your modem will have left the Telenetics factory in the configuration detailed on the following pages The Telenetics factory configuration differs from the Rockwell default configuration as follows amp C0 Rockwell Default Carrier Detect CD always ON amp Cl Telenetics Factory Carrier Detect CD only ON when modem connected on hook S0 0 Rockwell Default Auto Answer OFF S0 1 Telenetics Factory Auto Answer on first ring You can review the configuration of your modem by entering AT amp V CR You can restore the Rockwell factory configuration by entering AT amp F amp W MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 13 14 FACTORY CONFIGURATION MIU2 4 ACTIVE PROFILE B1 EI L2 MI Q0 VI X4 YO amp C1 amp D0 amp G0 amp J0 amp L0 EPO SOU amp RO amp S0 amp X0
12. ice denotes the percentage of the total load to the telephone loop used by the device to prevent overloading The termination on a loop may consist of any combination of devices subject to the requirement that the total of the load numbers of all the devices does not exceed 100 MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 2 Telenetic 2 PRODUCT OVERVIEW The MIUPowerPortX X Series are industrial grade dial and leased line modems for connection to the Public Switched Telephone Network They can be powered from a wide range of AC and DC power supplies they are internally surge protected on both the power and analog lines and they will operate in temperatures from 40 to 85 deg C Internally each unit consists of a baseboard and a communication module The baseboard includes the power supply regulation and surge protection The communication module is a Telenetics Pony Express Dial Modem Module The MIU PowerPort is packaged specifically for the harsh environments found in utility substations industrial facilities and remote sites Though functionally similar to commercial modems the MIU PowerPort includes special features that make it particularly well suited for utility and industrial applications Environment The MIU PowerPort has been designed specifically for use in harsh environments In addition to an extended temperature range 40 to 85 C the MIU includes surge shock vibration
13. ics Edition January 25 1999 Page 24 Data Interface R5232 TxDigital Out Loop B k Rx Digital ln Figure 3 Controller Data Pump Modem Unit PERFORM LOCAL DIGITAL LOOPBACK Remote Modem Modem Under Test in RDL Tx Digital Out Q9 AT amp T4 bre Rx DigitalIn Modem Controller Data Pump Unit Figure 4 Telco Line Interface Unit INITIATE REMOTE DIGITAL LOOPBACK Local Modem AT amp T6 equest RDL MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 25 Remote Modem inRDL Mode Modem Telco Li AT amp T4 Controller Ir ne Data Pump n eux Unit Local Modem in Self Test Mode Tram mit Self Test Circuit Modem Controller S Data Pump Telco Line Unit Interface Unit Receive Self Test Circuit Figure 5 REMOTE DIGITAL LOOPBACK WITH LOCAL SELF TEST Trans mit Self Test Circuit Modem Controller AT amp TS Data Pump e ed a Unit gae Conneded Receive Self Test Circuit Figure 6 LOCAL ANALOG LOOPBACK WITH SELF TEST MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 26 Telenetic ADDITIONAL TEST DIAGNOSTICS COMMANDS L Q S86 RECEIVED SIGNAL LEVEL Returns a value dBm which indicates the received signal level at modem DATA PUMP interface This value is determined by the loss gain of modem Telco Interface circuit dB at the Tip Ring i
14. llation Operation amp Diagnostics Edition January 25 1999 Page 10 PE ES Telenetics 9 LED INDICATOR The MIU has a single LED that will indicate the following conditions gt Blinking POWER ON gt Steady MODEM CONNECTED CARRIER DETECT 10 AUTO RESET FEATURE The dial up modem modules inside your MIU include an Auto Reset feature If the modem configuration is lost for any reason it can be restored by dialing the modem and allowing it to ring 4 to 6 times The Auto Reset feature is enabled and disabled by a dip switch on the modem module Your MIU will have been shipped with the Auto Reset mode active unless otherwise specified at the time of ordering Please consult Telenetics if you wish to open up your MIU to disable Auto Reset 11 AUTO DIAL FEATURE The dial up modem modules inside your MIU include a software configured Auto Dial feature Command AT DI will enable Auto Dial When DTR goes from an OFF to ON condition and DI is set the modem will auto dial the phone number stored in location amp Z0 up to 45 digits Command VDO default will disable the Auto Dial feature MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 11 12 OUTLINE DRAWING amp MOUNTING C Optional Wall Mounting Brackets e Part No 55 0002 to be installed by user if required 0 125 inches dia IMPORTANT WHEN AFFIXING MOUNTING BRACKETS TO BOTTOM OF UNIT DO NOT REM
15. nput to the modem Typical value should be 25dBm to 35dBm for most Telco connections RECEIVED LINE SIGNAL QUALITY Reports the line signal quality at the modem DATA PUMP interface This signal is also dependent on the DAA circuit Telco Interface Returns the higher order byte of the EQM Eye Quality Monitor is the filter squared magnitude of the error vector Typical value should be below 10 The lower the number the better the performance from the modem ERROR response if NO connection to remote modem In amp T1 modem Q will be 0 CONNECTION FAILURE CAUSE S86 can help determine the cause of a connection failure When the modem issues a NO CARRIER result code a value is written to this register To read this register following the connection failure issue ATS86 lt CR gt The modem will report one of the following values MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 27 10 11 12 13 14 15 Normal hang up no error occurred Physical carrier loss Loss of Carrier Feature negotiation failed to detect presence of another V 42 error control modem at other end Other error control modem did not respond to feature negotiation message sent by this modem Other modem is synchronous only this modem is asynchronous only Modems could not find a common framing technique Modems could not find a protocol in common Feature negotiation message sent by other modem incorrect S
16. onnection established when this command is issued otherwise an ERROR result code occurs The AT amp T3 command establishes a loopback of received data after demodulation and sends it back to the distant end The modem is configured for local digital loopback DSR is turned off if amp S1 is in effect the test timer is started with the value in S18 and an OK result code is sent to the DTE If S18 contains a 0 the test must be terminated by a amp TO HO or Z command The latter two result in the modem going on hook If S18 does not contain 0 the test is terminated after the number of seconds stored in S18 RESULT CODE DESCRIPTION OK After 2 second delay ERROR If any other self test is active amp T1 amp T6 amp T7 or amp T8 or if in idle state When test is terminated GRANT REMOTE DIGITAL LOOPBACK RDL REQUESTS When in the on line state the modem will honor a remote digital loopback request from a distant modem if it occurs This will result in an ERROR ifthe command is given while any V 54 test is active amp T1 amp T3 amp T6 amp T7 or amp T8 NOTE There are data patterns that may cause a Remote Digital Loopback conditions Care should be given to the type of data being received so that no RDL modes will be initiated MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 20 amp T5 amp T6 amp T7 DENY RDL REQUESTS The modem will not respond to a remote digital loopback req
17. ress Modem Module inside the MIU case Factory default is Power On mode Other modes are set at the factory before shipment if requested Other modes can be set in the field call Telenetics for an instruction sheet MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 6 5 MODEM SPECIFICATIONS Standards V 22bis V 22 Bell212A Bell 103 Modem Line 2400bps Speed 1200bps Asynch 300bps DTE Rates above Modem Line Speeds V 22bis V 22 Bell212A Bell 103 2400bps 1200bps 300bps 19200bps 9600bps 4800bps Error MNP 2 3 5 Correction amp Data Compression MIU Installation Operation amp Diagnostics amp 10 V 42 V 42bis MIU14 4 V 32bis V 32 V 22bis V 22 Bell212A Bell 103 14400bps 9600bps 4800bps 2400bps 1200bps 300bps 57600bps 38400bps 19200bps MNP 2 3 5 amp 10 V 42 V 42bis Edition January 25 1999 MIU28 8 V 34 V 32bis V 32 V 22bis V 22 Bell212A Bell 103 28800bps 19200bps 14400bps 9600bps 4800bps 2400bps 1200bps 300bps 115200bps 57600bps 38400bps 19200bps MNP 2 3 5 amp 10 V 42 V 42bis Page 7 Telenetic 6 POWER CONNECTIONS DC Power Jack 2 0mm This standard concentric jack is provided to attach an external power source in the range of 7 16 VAC or 8 24 VDC The 2 0mm Jack connects through a full wave bridge so either polarity is acceptable from the DC source The slide switch adjacent to the LED must be to
18. rt 2 4 I2VDC 24VDC 125VDC 120VAC 220VAC 65mA 27mA 7 5mA 6 5mA 5 5mA MIU PowerPort 9 6 12VDC 24VDC 125VDC 120VAC 220VAC 115mA 57mA 1imA 10mA IMA MIUI Power Port 4 4 I2VDC 24VDC 125VDC 120VAC 220VAC 160mA 69mA 14mA 12mA IMA MIU PowerPort 28 8 12VDC 24VDC 125VDC 120VAC 220VAC 205mA 125mA 16mA 15mA 1imA Surge Protection Power Supply 8kVrms Analog Line SkVac MIU2 4 amp 9 6 3 75kVac MIU14 4 amp 28 8 Digital Line ESD 10kV Operating Temperature 40 to 85 deg C Operating Humidity 0 to 90 non condensing Storage Temperature 55 to 100 deg C Note At temperatures below 0 F an additional current drain ofup to 350 ma occurs as the internal proportional heater operates MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 5 4 POWERMODES Consumption available to the modem Sleep If the modem is on hook for a Approx 6mA predetermined period PE2400 5 seconds PE2496 PE14 4 amp PE28 8 software configured Set S24 to desired delay in seconds it will drop to a low current mode The modem will instantly wake up to full power by either an incoming ring signal or any transmit data TxD signal Power Down If the modem is on hook for 30 seconds Approx 20uA it will automatically turn off The modem will automatically turn on to full power within 400ms of receiving a DTR signal or an incoming call The power mode is set by a dip switch on the Pony Exp
19. uest from a distant modem This will result in an error if the command is given while any V 54 test is active amp T1 amp T3 amp T6 amp T7 or amp T8 INITIATE REMOTE DIGITAL LOOPBACK See Figure 4 The command is valid only if the modem is in the command state with a connection established Configure the modem under test with an AT amp T4 command so that it will honor a remote digital loopback request Enter AT amp T6 at the local modem and it will send a remote digital loopback request to the remote modem After the RDL acknowledgement signal is received from the remote modem DSR is turned off if amp S1 is in effect the on line state is entered a CONNECT result code is sent to the DTE and the test timer is set to the value in S18 If the local modem does not receive the RDL acknowledgment signal from the remote end in three seconds it sends an ERROR result code to the DTE and returns to the command state The local modem sends the signal to release the remote digital loopback when the test is terminated The test may be terminated by the H0 Z or amp TO command The test will also terminate when the test timer expires sending the modem to the command state or carrier is lost causing a NO CARRIER result code and the modem to go on hook in the command state RESULT CODE DESCRIPTION CONNECT When on line state is entered ERROR If any V 54 test is active amp T1 amp T3 amp T6 amp T8 ERROR If not in on line
20. ynchronous information data of flags not received from other modem Normal disconnect initiated by other modem Other modem did not respond after many transmissions of the same message Modem made 10 attempts then hung up Protocol violation occurred Compression failure Note Multiple occurrences may contribute to a NO CARRIER message S86 records the first event that occurred MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 28 NOTES MIU Installation Operation amp Diagnostics Edition January 25 1999 Page 29
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