English dropdown-ico

Telenetics MIU202T Modem manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Telenetics MIU202T Modem, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Telenetics MIU202T Modem one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Telenetics MIU202T Modem. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Telenetics MIU202T Modem should contain:
- informations concerning technical data of Telenetics MIU202T Modem
- name of the manufacturer and a year of construction of the Telenetics MIU202T Modem item
- rules of operation, control and maintenance of the Telenetics MIU202T Modem item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Telenetics MIU202T Modem alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Telenetics MIU202T Modem, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Telenetics service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Telenetics MIU202T Modem.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Telenetics MIU202T Modem item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

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

  • Page 2

    Document No. 49-0002-011 Rev. B Telenetics Corporation 25111 Arctic Ocean Lake Forest, California 92630 (949)455-4000 Fax (949)455-4010[...]

  • Page 3

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 1 TABLE OF CONTENTS 1. STANDARDS .............................................................................................. 2 2. PRODUCT OVERVIEW ........................................................................... 3 3. GENERAL PRODUCT SPECIFICATIONS .....[...]

  • Page 4

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 2 1. STANDARDS Meets FCC Rules Part J, Subpart 15, Class A for radiated em issions. 2. PRODUCT OVERVIEW The MIU202T is an industrial grade B ell202T modem for connection to unconditioned and conditi oned, voice grade, type 3002 two or four-wire leased lines and metal[...]

  • Page 5

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 3 3. GENERAL PRODUCT SPECIFICATIONS Dimensions: 5.3 x 4.0 x 1.375 inches Weight: 1 l b 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 27m A 7.5mA[...]

  • Page 6

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 4 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 Poll ing [...]

  • Page 7

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 5 Other Features Receiver Equalization: Compromise Equalization Self Test Diagnostics: None Local Analog Loopback: See Section 13 Local Digital Loopback: See Section 13 Remote Anal og Loopback See Section 13 Remote Di gital Loopback See Section 13 Anti-Streami ng: OF[...]

  • Page 8

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 6 5. ANALOG LINE SPECIFICATIONS The MIU202T contains analog circuit ry for connection to the public conditioned or unconditi oned, Bell type 3002, 2 or 4-wi re, full duplex voice grade leased lines or metallic lines (eg; pilot wires). The MIU202T will also interface [...]

  • Page 9

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 7 6. ANALOG MICROWAVE INTERFACE The MIU202Tis designed to interface to a Microwave radio voice channel network with the fo llowing specifications: Phase Jitter (10 to 300Hz)1 degree peak-to-peak, max. Frequency Response: 300 - 3400Hz -3, +0.7 dB 400 - 3000Hz -1, +0.7[...]

  • Page 10

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 8 Crosstalk (unintelligib le): Adjacent channel 28dBrnc0 ma ximum (24 455B weighted noise at 0 dBmO dB rnc0 typical). Intra-channel 28 dBrnc0, maxim um (18 dB rnc0, typical) (1KHz test tone at 0 dBm O) Out of Band Signalli ng: Frequency 3825 Hz Level -20 dBmO Pulse s[...]

  • Page 11

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 9 7. POWER CONNECTIONS[...]

  • Page 12

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 10 8. SERIAL DATA PORT PIN-OUTS[...]

  • Page 13

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 11 9. DIP SWITCH FUNCTIONS IMPORTANT NOTE: Invert m odem to view di p switches as shown above Table 1 Switch Function ON OFF Switch 1 Transmi t Analog (TxA) Signal Level 0 dBm -10 dBm Switch 2 Anti-Stream ing 45 secs OFF Switch 3 Received Analog (RxA) Signal Level -3[...]

  • Page 14

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 12 Table 2: RTS/CTS Delay Time 2 Wire 4 Wire Switched Carrier Constant Carrier 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 15

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 13 10. MODEM CONFIGURATION The following table provi des the Dip Switch setti ngs required for most modem application configurati ons: Dip Switch Sett ing 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-Point Sla[...]

  • Page 16

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 14 11. LED INDICATOR[...]

  • Page 17

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 15 12. OUTLINE DRAWING & MOUNTING[...]

  • Page 18

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 16 13. DIAGNOSTICS The following pages provide hard ware techniques for diagnosing comm unication problems and t hereby isolating the problem at the local modem, the remote modem or the interconn ecting line. (a) LOCAL ANALOG LOOPBACK (Figure 2) Requires a loop back [...]

  • Page 19

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 17 Set Dip Switch 1 OFF (TxA = -10dBm) and Di p Switch 3 OFF (RxA = -43dBm). CD will be ON. Run a test message at TxD and verify that the sam e message is received at RxD with no data errors. Test 4: Repeat Test 3 for various RT S/CTS delay tim es and wit h soft carr[...]

  • Page 20

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 18 (c) REMOTE DIGITAL LOOPBACK – 4/Wire Network (Figure 5) Configure both the local and rem ote modem s as follows: Switch 1 = ON (TxA = 0dBm ) Switch 3 = ON (RxA = -33dBm ) Switch 4 = OFF (RTS/CTS = 35m s) Switch 5 = ON (RTS/CTS = 35m s) Switch 6 = ON (Constant Ca[...]

  • Page 21

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 19 (d) LINE DIAGNOSTICS (i) Typical m odem configurati on for 4-wire Point-to-Point system… Switch 1 = ON (TxA = 0dBm ) Switch 3 = ON (RxA = -33dBm ) Switch 4 = OFF (RTS/CTS = 1m s) Switch 5 = OFF (RTS/CTS = 1m s) Switch 6 = ON (Constant Carrier mode). Switch 7 = O[...]

  • Page 22

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 20[...]

  • Page 23

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 21[...]

  • Page 24

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 22[...]

  • Page 25

    MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 23 Addendum: 202T built on 1224 printed circuit board. Test Functions: A mom entary push button swit ch and two yellow LED’s are provi ded to perform the test funct ions. When both LED’s are OFF, the modem is in normal m ode. Power ON reset insures the modem star[...]