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Ericsson 2400 Maintenance Manual
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Ericsson 2400 Maintenance Manual

Ericsson 2400 Maintenance Manual

Rockwell modem & u.s. robotics courier modem
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LBI-33031B
Maintenance Manual
Rockwell Modem
Model R96FT (19A705178)
U.S. Robotics Courier Modem
Model 2400 (19A149786P1)
Model V.32 (19A149786P2)

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Summary of Contents for Ericsson 2400

  • Page 1 LBI-33031B Maintenance Manual Rockwell Modem Model R96FT (19A705178) U.S. Robotics Courier Modem Model 2400 (19A149786P1) Model V.32 (19A149786P2)
  • Page 2 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS TABLE OF CONTENTS SCOPE DESCRIPTION GETC SHELF ROCKWELL MODEM BOARD TEST SOFTWARE SPECIFICATIONS POWER SUPPLY...
  • Page 3 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS SCOPE This document describes how to test the Rockwell Modem (R96FT) to insure operation of the 9600 bps serial data ®...

  • Page 4: Description

    19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS DESCRIPTION The Rockwell Modem (R96FT) is a purchased part from the Rockwell Corporation used in the GETC™ shelf. The Rockwell Modem is used to transmit and receive 9600 bps serial data to and from four-wire dedicated unconditioned telephone 1ines under control of the GETC shelf.

  • Page 5: Power Supply

    19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS SPECIFICATIONS POWER SUPPLIES 13.8 volts nominal GETC power supply. Refer to the GETC test specification (19A705179). Modem Input Power +5 Volts +/-5% <...

  • Page 6: Test Equipment

    19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS RECOMMENDED TEST EQUIPMENT Refer to the GETC test specification (19A705179). The test equipment necessary to set up the GETC for the Rockwell Modem test is listed blow.

  • Page 7: Test Procedures

    19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS TEST PROCEDURES PREPARATION FOR TEST Refer to the GETC test specification for certain alignment procedures prior to testing of the Rockwell Modem.
  • Page 8 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS ROCKWELL MODEM TEST The GETC shelf setup procedures to configure it as the test fixture for the Rockwell Modem follows. These procedures need to be implemented only once on the specified GETC shelf to be used as the Rockwell Modem test fixture.
  • Page 9 Half-Duplex (2-Wire) of 23 ms for V.29FT/9600/7200/4800, 22 ms for • Programmable Tone Generation V.27FT/4800. and 30 ms for V.27FT/2400. A 2400/4800 • Dynamic Range -43 dBm to 0 dBm bps Gearshift configuration provides a training time of 10 •...

  • Page 10: General Specifications

    19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS GENERAL SPECIFICATIONS POWER Voltage Tolerance Current (Max.) ±5% +5 Vdc <700 mA ±5% +12 Vdc...

  • Page 11: Technical Specifications

    V27FT Carrier 1800 encoded into quadbits forming a l6-point structure. The 2400/4800 bps Gearshift 1800 first 32 bauds of data are transmitted at 2400 bps and the V29 Carrier 1700 remaining message is transmitted at 4800 bps. V29FT Carrier 1700/1800*...
  • Page 12 Turn-On Sequence received data bits. For the Gearshift configuration, the first 32 bauds of data are at 2400 bps followed by 4800 bps data A total of 20 selectable turn-on sequences can be generated for the remaining message. The timing recovery circuit is capable of racking a ±0.0l% frequency error in the transmit...
  • Page 13 V.21 (300 bps FSK). RTS-CTS, response time is <35 ms. turn-off delay, the receiver returns to the data state and Turn-Off Sequence RLSD is left active. For V.27 bis/ter, V.27FT and 2400/4800 bps Gearshift For CCITT configurations, the receiver enters the training configurations, turn-off...

  • Page 14: Modes Of Operation

    19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS R96FT Functional Interconnect Diagram Threshold Options Parallel Mode Four threshold options are provided: The R96FT has the capability of transferring channel Data (up to eight bits at a time) via the microprocessor bus.
  • Page 15 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS R96FT Hardware Circuits Eye Pattern Generation Name Type Pin No. Description The four hardware diagnostic circuits, identified in the A.
  • Page 16 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS Digital Interface Characteristics Digital Interface Characteristics Input/Output Type Symbol Parameter Units I/O A I/O B...
  • Page 17 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS Reading of diagnostic RAM data is performed by storing Transmitter Interface Memory Chip 0 (CS0) the necessary access codes in 2:5 and 2:4, reading 2:0 to reset the associated data available bit (2:E:0), then waiting Register...
  • Page 18 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS R96FT Interface Memory Definitions Memory Mnemonic Name Location Description ASCR Append Scrambled 0:9:6 When control bit ASCR is a one, one baud of scrambled marks is included in the V.29 FT and V.27...
  • Page 19 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS R96FT Interface Memory Definitions (Continued) Memory Mnemonic Name Location Description LAEN Link Amplitude 0:5:3...
  • Page 20 1. The Receiver Configuration code automatically changes from a hex 61 (or hex 41) to a hex 64 (or hex 44) when the receiver transitions from the 2400 bps data state to the 4800 bps data state. 2. The FSK receiver is active at all times. Two ancillary hardware circuits, FRLSD and FRXD, are supplied for FSK message reception.
  • Page 21 FT/2400 9600 7200 4800 4800 long 2400 long 4800 short 2400 short 2400/4800 bps Gearshift/V.29 descrambler 2400/4800 bps Gearshift/V.27 bis/ter descrambler V.21 Channel 2 See FSKT Tone transmit PRINTS TO MADE BY APPROVALS K P Dotson 11-19-86 19A705178 M. R. P. D.

  • Page 22: Power-On Initialization

    Phase Jitter reset. The modem is ready to be configured 10 msec after POR is removed. At 2400 bps, the modem exhibits a bit error rate of 10 less with a signal-to-noise ratio of 12.5 dB in the presence PRINTS TO...
  • Page 23 19A705178 GENERAL ELECTRIC REV NO. TITLE CONT ON SHEET SH NO. ROCKWELL MODEM TEST SPECIFICATION/PURCHASE PART DRAWING CONT ON SHEET SH NO. FIRST MADE FOR F. C. F. O. REVISIONS At 9600 bps, the modem exhibits a bit error rate of 10 of 15°...
  • Page 24 1000 -0.27 -0.13 R96 FILTERS 1400 -0.16 -0.08 2000 +0.33 +0.16 The following tables illustrate the response of the receiver 2400 +1.54 +0.73 input bandpass and transmitter output low pass filters 2800 +5.98 +2.61 without compromise equalization. 3000 +8.65 +3.43 A.
  • Page 25 -3.93 1000 -0.27 -0.13 1500 -1.22 1400 -0.16 -0.08 2000 +1.90 2000 +0.33 +0.16 3000 +4.58 2400 +1.54 +0.73 2800 +5.98 +2.61 3000 +8.65 +3.43 PRINTS TO MADE BY APPROVALS R Sager 19A705178 M. R. P. D. DIV OR DEPT.
  • Page 26 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: Document: Rev. FMF: FCFO: Sheet Documentation Tools: Made File: Start Date: Made By: Rev. Description Date Approved By DIST. TO: Sheet Rev. Document:...
  • Page 27 SECTION 1 MODEMS NAMES & PART NUMBERS UMBER AME AND ESCRIPTION Courier 2400 - 2400 baud modem Courier V.32 - 9600 2-wire audio modem (1) Courier V32 9600 baud modem. (1) 220 V Euro Adapter Pt No. 15-332 (installed) Note -...
  • Page 28 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 3 of 33 Includes ZYXEL Redundant Power Supply RDS-PS. ZYXEL currently provides this part when P8 is ordered.
  • Page 29 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 4 of 33 SECTION 2 US R V.32. CONFIGURATION INFORMATION OBOTICS Preliminary Information The following document will cover the programming procedures for the U.S.
  • Page 30 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 5 of 33 Type the following commands in the order shown, following each with a carriage return:...
  • Page 31 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 6 of 33 Type the following commands in the order shown, following each with a carriage return:...
  • Page 32 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 7 of 33 Type the following commands in the order shown, following each with a carriage return:...
  • Page 33 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 8 of 33 Apply power to the modem. You should be able to type the two letters "AT"...
  • Page 34 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 9 of 33 Apply power to the modem. You should be able to type the two letters "AT"...
  • Page 35 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 10 of 33 SECTION 3 XEL M ODEM ONFIGURATION NFORMATION Preliminary Information The following document will cover the programming procedures for the ZyXEL U-1496+ modem when used for the named applications below: •...
  • Page 36 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 11 of 33 Terminal Options DATA FORMAT ASYNC CHARACTER LENGTH COMMAND SET DTR RATE OPTIONS FIXED AT DTE RATE DTR OPTIONS 108.2+RST...
  • Page 37 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 12 of 33 Error Control CONTROL LEVEL NONE FLOW CONTROL DISABLED NEGOTIA FALLBACK STAYS ON-LINE BREAK HANDLING...
  • Page 38 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 13 of 33 Site Controller 2 Wire Dialup Parameters (to system manager) The ZyXEL U-1496 modem is either desk or rack style.
  • Page 39 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 14 of 33 Modem Options LINK OPTIONS MULTIAUTO QUALITY ACTION ADAPTIVE DEFAULT DIAL DIAL BACKUP DISABLED GUARD TONE...
  • Page 40 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 15 of 33 S Registers Only those registers which are to be changed will be listed. The remaining are left as default.
  • Page 41 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 16 of 33 DCD OPTIONS TRACKS CARRIER RTS OPTIONS IGNORED DSR OPTIONS DATA SET READY COMMAND ECHO...
  • Page 42 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 17 of 33 Audio Options SPEAKER CONTROL ON UNTIL CONNECT SPEAKER VOLUME RING VOLUME S Registers Only those registers which are to be changed will be listed.
  • Page 43 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 18 of 33 Terminal Options DATA FORMAT ASYNC CHARACTER LENGTH COMMAND SET DTE RATE OPTION FIXED AT DTE RATE DTR OPTIONS 108.2+RST...
  • Page 44 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 19 of 33 Error Control CONTROL LEVEL NONE FLOW CONTROL DISABLED NEGOTIA FALLBACK STAYS ON-LINE BREAK HANDLING...
  • Page 45 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 20 of 33 System Manager 4 Wire Leased Parameters (to remote terminal) The ZyXEL U-1496 modem is either desk or rack style.
  • Page 46 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 21 of 33 LLINE TX POWER 0 DBM (-15 if line loss is 0) PHONE JACK SINGLE RJ11,...
  • Page 47 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 22 of 33 System Manager 2 Wire Dialup Parameters (to remote terminal) The ZyXEL U-1496 modem is either desk or rack style.
  • Page 48 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 23 of 33 LLINE TX POWER 0 DBM PHONE JACK SINGLE RJ11, MAKE/BREAK RATIO 39%/61% SECONDARY CHANNEL...
  • Page 49 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 24 of 33 C3 Maestro Console 4 Wire Leased Parameters (to IMC) The ZyXEL U-1496 modem is either desk or rack style.
  • Page 50 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 25 of 33 RDL REQUEST GRANT LLINE TX POWER 0 DBM (-15 if line loss is 0)
  • Page 51 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 26 of 33 IMC 4 Wire Leased Parameters (to C3 Maestro Console) The ZyXEL U-1496 modem is either desk or rack style.
  • Page 52 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 27 of 33 LLINE TX POWER 0 DBM (-15 if line loss is 0) PHONE JACK SINGLE RJ11,...
  • Page 53 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 28 of 33 SECTION 4 Z XEL W ORLDWIDE APPROVALS AND THER PECIFICATIONS COUNTRY MODEL # AUSTRALIA...
  • Page 54 ERICSSON GE MOBILE COMMUNICATIONS INC MOUNTAIN VIEW RD LYNCHBURG, VA 24502 Title: MODEMS Document: 19A149786 Rev. 1 FMF: PST SYSTEM FCFO: 19A149786 Sheet 29 of 33 Temperature: • Safe Operating Range of 0 C to 70 C • Safe Storage Range of 0 C to 70 C Humidity: •...
  • Page 55 19A149786 REV NO. TITLE CONT ON SHEET SH NO. MODEMS CONT ON SHEET SH NO. F. C. F. O. 19A149786 PST SYSTEM FIRST MADE FOR REVISIONS PRINTS TO MADE BY APPROVALS E. Gaddy 19 Dec. 1994 19A149786 Rene Gomez ISSUED 20 Dec.
  • Page 56 19A149786 REV NO. TITLE CONT ON SHEET SH NO. MODEMS CONT ON SHEET SH NO. F. C. F. O. 19A149786 PST SYSTEM FIRST MADE FOR REVISIONS PRINTS TO MADE BY APPROVALS E. Gaddy 19 Dec. 1994 19A149786 Rene Gomez ISSUED 20 Dec.
  • Page 57 19A149786 REV NO. TITLE CONT ON SHEET SH NO. MODEMS CONT ON SHEET SH NO. F. C. F. O. 19A149786 PST SYSTEM FIRST MADE FOR REVISIONS PRINTS TO MADE BY APPROVALS E. Gaddy 19 Dec. 1994 19A149786 Rene Gomez ISSUED 20 Dec.
  • Page 58 19A149786 REV NO. TITLE AFinal CONT ON SHEET SH NO. MODEMS CONT ON SHEET SH NO. F. C. F. O. 19A149786 PST SYSTEM FIRST MADE FOR REVISIONS PRINTS TO MADE BY APPROVALS E. Gaddy 19 Dec. 1994 19A149786 Rene Gomez ISSUED 20 Dec.

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