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ADTRAN D4 OCU DP (ETR) D4-OCU manual

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Table of contents for the manual

  • Page 1

    1 Section 61107005L2-5, Issue 3 61107.005L2-5C C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY. HANDLING PRECAUTIONS REQUIRED. PRACTICES Section 61107005L2-5 Issue 3, June 1996 CLEI Code # D4DA740 _ _ _ D4-OCU DP (ETR) ALL-RA TE OFFICE CHANNEL UNIT DA T APORT WITH EXTENDED TRANSMIT RANGE INST ALLA TION/MAINTENANCE 1. GENE[...]

  • Page 2

    2 Section 61107005L2-5, Issue 3 61107.005L2-5C In the DDS system, an OCU DP located at an end office interfaces the customer to the T carrier system. A 4-wire loop is terminated at the customer premises by a data service unit (DSU) or a channel service unit (CSU). It can be used in the hub office, intermediate office, end office, or SLC ® terminal[...]

  • Page 3

    3 Section 61107005L2-5, Issue 3 61107.005L2-5C Figure 3. SW1 Function O n .... Activates error correction O f f .... Deactivates error correction O n .... Selects D4 bank type. O f f .... Unable to select D4 bank type. O n .... Selects SLC-96 bank, Mode I or III. O f f .... Unable to select SLC-96 bank, Mode I or III. O n .... Selects SLC-96 bank, [...]

  • Page 4

    4 Section 61107005L2-5, Issue 3 61107.005L2-5C 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 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 26 27 +5V IN CLK TNEN TDATA RSAB RCLK RWD RSQ -48V R1 R FRM GND -12V GND +12V GND TWD TSP TSQ RNPCM RFA TDCLK RSP RNDIS -48R T1 IZ T Figure 4. Connector Pin[...]