Instruction/ maintenance manual of the product MIU202T Modem Telenetics
Go to page of 25
Document No. 49-0002-011 Rev. B Installation, Operation & Diagnostics for the MIU202T Industrial Grade, Bell 202T Standalone Modem.
Document No. 49-0002-011 Rev. B Telenetics Corporation 25111 Arctic Ocean Lake Forest, California 92630 (949)455-4000 Fax (949)455-4010.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 1 TABLE OF CONTENTS 1. STANDARDS .............................................................................................. 2 2. PRODUCT OVERVIEW ..................
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.
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.
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 – 1.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 5 Other Features Receiver Equalization: Compromise Equalization Self Test Diagnostics: None Local Analog Loopback: Se.
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).
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.
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).
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 9 7. POWER CONNECTIONS.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 10 8. SERIAL DATA PORT PIN-OUTS.
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.
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 Carrie.
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.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 14 11. LED INDICATOR.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 15 12. OUTLINE DRAWING & MOUNTING.
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.
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.
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:.
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).
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 20.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 21.
MIU202T Installation, Operation & Diagnostic s Edition: December 28, 2000 Page 22.
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.
An important point after buying a device Telenetics MIU202T Modem (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telenetics MIU202T Modem yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Telenetics MIU202T Modem - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telenetics MIU202T Modem you will learn all the available features of the product, as well as information on its operation. The information that you get Telenetics MIU202T Modem will certainly help you make a decision on the purchase.
If you already are a holder of Telenetics MIU202T Modem, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Telenetics MIU202T Modem.
However, one of the most important roles played by the user manual is to help in solving problems with Telenetics MIU202T Modem. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telenetics MIU202T Modem along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
