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Telenetics 202T, MIU202T manual

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Table of contents for the manual

  • Page 1

    Document No. 49 - 0002 - 011 Rev. A Installation, Operation & Diagnostics for the MIU202T Industrial Grade, Bell 202T Standalone Modem[...]

  • Page 2

    Document No. 49 - 0002 - 011 Rev. A Telenetics Corporation ARC Electronics 800 - 926 - 0226[...]

  • Page 3

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 1 TABLE OF CONTENTS 1. STANDARDS ......................................................................................................... 2 2. PRODUCT OVERVI EW ....................................................................................... 3 3. GENERAL PRODUCT S[...]

  • Page 4

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 2 1. STANDARDS Meets FCC Rules Part J, Subpart 15, Class A for radiated emissions.[...]

  • Page 5

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 3 2. PRODUCT OVERVIEW The MIU202T is an industrial grade B ell202T modem for connection to unconditioned and conditioned, voice grade, type 3002 two or four - wire leased lines and metallic lines (eg; pilot wires). It can be powered from a wide range of AC and DC power su[...]

  • Page 6

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 4 3. GENERAL PRODUCT SPECIFICATIONS Dimensions: 5.3 x 4.0 x 1.375 inches Weight: 1 lb Voltage Supply : Standard Model: 40 to 270VDC 40 to 270VAC, 50/60Hz LV Model (Suffix “ - LV”): 9 to 36VDC Current Requirements : 12VDC 24VDC 125VDC 120VAC 220VAC 65mA 27mA 7.5mA 6.5m[...]

  • Page 7

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 5 4. MODEM SPECIFICATIONS Modulation: Bell202T Modulation Type: FSK Synch/Async: Asynchronous Only Data Rate: 0 – 1200bps Transmit Frequency: Mark: 1200Hz Space: 2200Hz Error Correction: None Data Compression: None Data Modulation Connectivity: Using 16ms Polling Test 9[...]

  • Page 8

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 6 Other Features Receiver Equalization: Compromise Equalization Self Test Diagnostic s: None Local Analog Loopback: See Section 13 Local Digital Loopback: See Section 13 Remote Analog Loopback See Section 13 Remote Digital Loopback See Section 13 Anti - Streaming: OFF or [...]

  • Page 9

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 7 5. ANALOG LINE SPECIFICATIONS The MIU202T contains analog circuitry for connection to the public conditioned or unconditioned, Bell type 3002, 2 or 4 - wire, full duplex voice grade leased lines or metallic lines (eg; pilot wires). The MIU202T will also interface to Pow[...]

  • Page 10

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 8 6. ANALOG MICROWAVE INTERFACE The MIU202Tis designed to interface to a Microwave radio voice channel network with the following specifications: Phase Jitter (10 to 300Hz)1 degree peak - to - peak, max. F requency Response: 300 - 3400Hz - 3, +0.7 dB 400 - 3000Hz - 1, +0.[...]

  • Page 11

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 9 Crosstalk (unintelligible): Adjacent channel 28dBrnc0 maximum (24 455B weighted noise at 0 dBmO dBrnc0 typical). Intra - channel 28 dBr nc0, maximum (18 dBrnc0, typical) (1KHz test tone at 0 dBmO) Out of Band Signalling: Frequency 3825 Hz Level - 20 dBmO Pulse speed (30[...]

  • Page 12

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 10 7. POWER CONNECTIONS[...]

  • Page 13

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 11 8. SERIAL DATA PORT PIN - OUTS[...]

  • Page 14

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 12 9. DIP SWITCH FUNCTIONS IMPORTANT NOTE: Invert modem to view dip switches as shown above Table 1 Switch Function ON OFF Switch 1 Transmit Analog (TxA) Signal Level 0 dBm - 10 dBm Switch 2 Anti - Streaming 45 secs OFF Switch 3 Received Analog (RxA) Signal Level - 33 dBm[...]

  • Page 15

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 13 Table 2: RTS/CTS Delay Time 2 Wire 4 Wire Switche d Carrie r Constan t Carri e r Switch 4 Switch 5 Switch 9 Soft Carrier RTS/CTS Delay Time NO YES YES YES ON ON OFF 50 ms YES NO YES NO ON ON ON 50 ms NO YES YES NO ON ON ON 50 ms YES NO YES NO ON ON OFF 50 ms NO YES YES[...]

  • Page 16

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 14 10. MODEM CONFIGURATION The following table provides the Dip Switch settings required for most modem application configurations: Dip Switch Setting 1 2 3 4 5 6 7 8 9 4 - Wire Point - to - Point ON ON ON ON 4 - Wire Multi - Point Master ON ON ON ON 4 - Wire Multi - Poin[...]

  • Page 17

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 15 11. LED INDICATOR[...]

  • Page 18

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 16 12. OUTLINE DRAWING & MOUNTING[...]

  • Page 19

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 17 13. DIAGNOSTICS The following pages provide hardware techniques for diagnosing communication problems and thereby isolating the problem at the local modem, the remote modem or the interco nnecting line. (a) LOCAL ANALOG LOOPBACK (Figure 2) Requires a loop back cable wi[...]

  • Page 20

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 18 Test 3: Received Signal Level Set Dip Switch 1 OFF (TxA = - 10dBm) and Dip Switch 3 OFF (RxA = - 43dBm). CD will be ON. Run a test message at TxD and verify that the same message is received at RxD with no data errors. Test 4: Repeat Test 3 for various RTS/CTS delay ti[...]

  • Page 21

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 19 (c) REMOTE DIGITAL L OOPBACK – 4/Wire Network (Figure 5) Configure both the local and remote modems as follows: Switch 1 = ON (TxA = 0dBm) Switch 3 = ON (RxA = - 33dBm) Switch 4 = OFF (RTS/CTS = 35ms) Switch 5 = ON (RTS/CTS = 35ms) Switch 6 = ON (Constant Carrier mod[...]

  • Page 22

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 20 (d) LINE DIAGNOSTICS (i) Typical modem configuration for 4 - wire Point - to - Point system… Switch 1 = ON (TxA = 0dBm) Switch 3 = ON (RxA = - 33dBm) Switch 4 = OFF (RTS/CTS = 1ms) Switch 5 = OFF (RTS/CTS = 1ms) Switch 6 = ON (Constant Carrier mode). Switch 7 = OFF ([...]

  • Page 23

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 21[...]

  • Page 24

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 22[...]

  • Page 25

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 23[...]

  • Page 26

    MIU202T Installation, Operation & Diagnostics Edition: April 4, 1998 Page 24 NOTES:[...]