OCU DP Module User Manual (Rev C) (November
Contents
1. JTINAON da NDO Power CONNECTION Each OCU DP module derives power from the base TSU 100 unit Power to the TSU 100 is supplied by a captive eight foot power cord Cover Plate X TSU100 N Option Module y E mS Figure 2 Installing Option Module 6 61200 068L1 1C November 1996 2 3 WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails while in service For detailed warranty repair and return information refer to the ADTRAN Equipment Warranty Repair and Return Policy Procedure in the TSU 100 User s Manual Return Material Authorization RMA is required prior to returning equipment to ADTRAN For Service RMA requests or more information see the last page of this manual November 1996 61200 068L1 1C 7 JTINAON dad NDO 2 4 WIRING The OCU DP offers one connector for a DDS interface Connector Type USOC RJ48C PN AMP 555164 1 Table A Eight Position Modular Jack Interface PINOUT CONNECTORS FOR EIGHT POSITION MODULAR JACK INTERFACE PIN NAME DESCRIPTION 1 TIPRX RECEIVE DATA FROM THE DSU 2 RING RX RECEIVE DATA FROM THE DSU 3 4 5 6 UNUSED 7 TIPTX SEND DATA TOWARDS THE DSU 8 RINGTX SEND DATA TOWARDS THE DSU 8 61200 068L1 1C No2. November 1996 61200 068L1 1C 21 Product Support Information Presales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineering or ADTRAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first If your local distributor cannot help please contact ADTRAN Technical Support and have the unit serial number available Technical Support 800 726 8663 Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Return Material Authorization RMA de partment to issue an RMA number For information regarding equipment currently in house or possible fees associated with repair contact RMA directly at the following number RMA Department 205 971 8722 Identify the RMA number clearly on the package below address and return to the following address ADTRAN Inc RMA Department 901 Explorer Boulevard Huntsville Alabama 35806 2807
3. SUBMENU OF 1 STATUS This menu item is used to display active status information about the OCU DP There are three fields that report information The display of an asterisk indicates an item is active OPEN IDLE ADIS Open Anasterisk will be present ifthe DDS loop isopenor wired incorrectly IDLE Anasterisk will be present if the OCU is detecting Control Mode Idle CMI from the DDS loop ADIS Anasterisk will be present if the Quality Monitor Autodisconnect feature is en abled and the OCU has received enough improper violations to disconnect theDDS loop November 1996 61200 068L1 1C 11 JTINAON dad NDO 7 PORT CONFIG SUBMENU OF 2 CONFIG Operation The 7 PORT CONFIG menu item is used for con figuration ofthe OCU DP Passthru Option Module With the cursor on main menu item 2 CONFIG Press ENTER or the number 2 key Results display of the first two Configuration sub menu items with the cursor on 1 NETWORK ND Use the down scroll key to place the cursor on 7 PORT CONFIG Press ENTER Results only the bottom line of the LCD changes display Use the scroll keys to identify 1 1 OCU DP 7 PORT CONFIG PORT 1 1 OCU DP To select Press ENTER Results the first of eight submenu items Continue with standard operating procedures RATE Sets the data rate of the OCU DP Choices 2 4 4 8 9 6 19 2 38 4 56 0 DDS 56 0 SW 64 SEC CHAN Enables or disables the
4. and is subject to its operation and control The OCU DP is configured from the front panel of the TSU 100 or by an external personal computer PC program The internal menus for its configuration are a part of the OCU DP module and are automatically installed when the OCU DP is plugged into the unit Operates using one DSO 2 4 4 8 9 6 19 2 38 4 56 64 kbps dedicated rates e Supports Switched 56 dial up digital service Compatible with DDS secondary channel services at rates ranging from 75 to 2400 bps depending on the primary channel rate 45dB range at all rates Transmit attenuation available for short loops OCU loopback toward TSU Network Interface NI front panel remote inband Sealing current reversal to initiate loopback at the CSU front panel remote inband November 1996 61200 068L1 1C 1 JTINAON dad NDO NOTE OCU DP Option MobuLe SPECIFICATIONS e PRT LCL bidirectional loopback toward the TSU Network Interface NI and the DSU CSU Zero code suppression Quality monitor auto line disconnect Latching Loopback enable disable Selectable hardware software algorithms for Switched 56 operation e Interface Connector RJ48C The 19 6 kbps feature is patented by INC patent 4 862 480 The 45 dB range feature is patented by ADTRAN patent 4 759 035 The quality monitor auto line disconnect feature is patented by ADTRAN patent 5 450 441 Loop Interface 4 wire TX
5. use of a secondary channel with all data rates excluding 64 kbps Choices OFF or ON QUALMON Quality monitor function Auto Dis able Function Allows the OCU DP to monitor the data it receives from the DDS loop If it detects violations in 7 out of 20 consecutive seconds it ignores the data it receives and sends abnormal station code toward the NI Normal operation will automatically be restored upon receipt of 30 con secutive error free seconds 61200 068L1 1C November 1996 Choices OFF or ON ZCS Zero Code Suppression may be used to prevent a channel of zeros when running 56K data rate with secondary channel ON ZCS is not used for 64 kbps data rate Choices OFF or ON A BSIGNL Selects either a software or hard ware algorithm to be used for SW56 operation The OCU DP decodes signalling from the network and passes this to the loop as either CMI code or data mode The default method of decod ing signalling from the network is a software technique If the C bit bit 8 is 0 in any of the last seven data bytes signalling is decoded as a O on hook If bit 8 is a 1 in all of the last seven data bytes signalling is decoded as a 1 off hook If the hardware HW option is enabled sig nalling is decoded from the A and B bits in frames 6 and 12 of the T1 data Choices SW or HW LTCHING LBACK Enables the OCU DP response to the latching OCU and Channel loopback com mands and performance of the req
6. 0 The menus are accessed by selecting 1 1 OCU DP under the PORT menu items Figure 3 shows the TSU 100 Main Menu with the PORT selections shaded The TSU 100 User s Manual s appendix TSU 100 Menu Tree is a complete menu diagram 1 NI PERF REPORTS 2 PORTS STATUS 1 STATUS 1 NETWORK NI 3 ACTIVE ALARMS 2 UNIT 4 VIEW HISTORY 3 MAP XCHNG 4 MAP IN USE 2 CONFIG 1 ENTER PASSCODE MAIN MENU 5 DSO MAP A 6 DSO MAP B 2 TIME DATE PORT CONFIG 3 FACT RESTORE 4 REINIT UNIT 5 UNIT ID 1 NETWORK TESTS 6 SOFTWARE REV 2 RUN SELFTEST 7 PORT UTILITY 3 PORT TEST Figure 3 TSU 100 Main Menu 10 61200 068L1 1C November 1996 OCU DP MENUS ARE ALL SUBMENUS Operation 2 PORTS STATUS The OCU DP menus are accessed from and oper ated the same as menus for the TSU 100 As can be noticed from the shaded menu items in Figure 3 the OCU DP items are submenu choices of the four main menus Each of the OCU DP sub menu items is discussed in the following paragraphs All are accessed by the same method With the cursor on one of the four main menu choices Press ENTER or the number key Results display of the first two submenu items with the cursor on the first item Use the down scroll key to place the cursor on the desired item Press ENTER Results display of the first two submenu choices
7. ADRAN OCU DP OPTION MODULE Part Number 1200068L1 Part Number 1200068L1 HS OCU DP PLUG ON BOARD Part Number 1200083L1 USER MANUAL 61200 068L1 1C November 1996 901 Explorer Boulevard Huntsville AL 35806 2807 Phone 205 971 8000 9 1996 ADTRAN Inc All Rights Reserved Printed in USA OCU DP OPTION MODULE TABLE OF CONTENTS A a re ee I en a e Ede Re PP 1 1 1 0CU DP Overview alata a a d vade eee fte e e edet eines 1 1 2 Functional Description iii 1 ine o 1 OCU DP Option Module Specifications sss 2 L3 Physical Descriptioh ri Seis nce lana dos 4 Figure 1 OCU DP Option Module sse 4 2 Installation eer nee eir ete en eet eae a eens nada cs eeu 5 2 Unpack E Inspect i HU ede re RARI HEUTE 5 2 2 Installing The Option Module asilo treu 5 Figure 2 Installing Option Module sss 6 2 3 Warranty And Customer Service iii 7 24 WINDE alal anulare anda 8 Table A Eight Position Modular Jack Interface 8 2 5 Power Up Testing and Initialization iii 9 3 Operations lea otis a due ia 10 A O 10 3 2 Front Panel sais ados 10 Indicatots Buttons 2 etie tada 10 2 9 Menu Struct re x5 ttv e ea ile aries dade cui d da 10 Figure 3 TSU 100 Main Men s iaria ieiet eaei eanais aani 10 OCU DP Menus Are All Submenus sse 11 2 PORTS S
8. Pair and RX Pair Data Rate 2 4 4 8 9 6 19 2 38 4 56 kbps a Waa eee a channel rates and 64 kbps clear channel Signal Format Bipolar return to zero 50 duty cycle TX Output 1 5V peak 10 for rates 2 4 4 8 Amplitude 19 2 38 4 54 and 64 kbps 0 75V peak 10 for 9 6 kbps TX RX Source Impedance 135 Q 20 Dynamic Range 0 to 45 dB loops loss for all rates measured at a frequency of half the data rate Sealing Current 4 to 20 mA DC with polarity re versal capability 61200 068L1 1C November 1996 Capacity Tests Connector One DSO user configurable Power on circuit test CSU loopback initiation sealing current reversal OCU loopback loopback internal toward MUX PRT LCL bidirectional loopback RJ48C November 1996 61200 068L1 1C 3 JTINAON da NDO 1 3 PHYSICAL DESCRIPTION The OCU DP see Figure 1 is an option module which plugs into the option slot in the rear of the TSU 100 rose PORT X A EY Figure 1 OCU DP Option Module The OCU DP rear panel includes a plastic plug over a cutout for additional connectors This allows a plug on card to be added to the OCU DP module The PORT X 1 indication is linked to the port number ing philosophy of the TSU 100 product family The X represents the slot number and the 1 indicates the port number For the TSU 100 application there is only one option slot Therefore th
9. e port designation for the OCU DP port will be 1 1 If added the plug on card port designation would be 1 2 These port num bers will appear in the front panel LCD menu dis plays 4 61200 068L1 1C November 1996 2 INSTALLATION 2 1 UNPACK 8 INSPECT ADTRAN SHIPMENTS INCLUDE CUSTOMER PROVIDES 2 2 INSTALLING THE OPTION MODULE NOTE PLACEMENT OF THE OM Carefully inspect the OCU DP module for any shipping damages If damage is suspected file a claim immediately with the carrier and then contact ADTRAN customer service If possible keep the original shipping container for use in shipping the OCU DP Module back for repair or for verification of damage during shipment The OCU DP Option Module The OCU DP Option Module User s Manual To be inserted into main TSU 100 User s Manual e Cable for connection to DSU CSU CAUTION Power to the TSU 100 should be OFF when install ing the OCU DP Module PN 1200 068L1 The OCU DP Option Module PN1200 068L1 HS is hot replaceable and can be installed in the TSU 100 with the power On Figure 2 is representative of the action required for proper placement of the Option Module Remove the cover plate from the TSU 100 rear panel Slide the option module into the rear panel until it is positioned firmly against the front of the TSU 100 Fasten the thumb screws at both edges of the option module November 1996 61200 068L1 1C 5
10. ed OCU DP REVA Press the CANCEL key to exit or to select another port 14 61200 068L1 1C November 1 996 2 RUN SELF TEST SUBMENU OF 4 TEST 3 PORT TEST This menu item is used to execute both the TSU 100 s internal test and the OCU DP s internal test This is the same test as is executed upon power up The results of the self test are displayed on the LCD For additional information on Self test consult the chapter Operation in the TSU 100 User s Manual Follow standard operating procedure to access the 4 TEST menu items JTINAON dad NDO With the cursor on 2 RUN SELFTEST Press the ENTER key Results achanging display in the LCD showing the test result SUBMENU OF 4 TEST Operation This menu item is used to activate tests of the selected data ports Selecting the OCU DP displays two Loopback tests available for this option module Follow standard operating procedure to access the 4 TEST menu items With the cursor on 3 PORT TEST Press the ENTER key Results display of the first available port Use the up and down scroll keys to select 1 1 OCUDP 3 PORT TEST PORT f 1 OCU DP To select Press ENTER LOOPBACK This item activates the loopback function on the OCU DP module On the OCU DP the CSU loopback initiates a sealing current reversal Upon detecting this rever November 1996 61200 068L1 1C 15 sal the DDS CSU connected to the OCU DP over a 4 wire loop shou
11. ld loop data back toward the NI The OCU loopback loops the data mapped to the OCU DP back toward the network interface of the controller Using the loopback in conjunction with an external BERT driving the Network Interface will exer cise the entire data path from the Network Interface NI through the OCU DP option module and back out the NI See Figure 4 Diagram of Loopbacks T1 TSU 100 OCU DP DSU CSU Network Interface r HH nn NI ar 2 C 2 4wire DDS O Controller PRT LCL OCU CSU Figure 4 Diagram of Loopbacks The PRT LCL bidirectional loopback loops the data mapped to the OCU DP back to the network interface of the controller It also loops data from the DSU CSU back to the DSU CSU If the DSU CSU is capable of sending a test pattern it can be used with this loopback to verify integrity of the 4 wire DDS loop To deactivate the Loopback OFF must be selected under the 1 1 OCU DP submenu 61200 068L1 1C November 1996 November 1996 61200 068L1 1C 17 JTINAON da NDO FAILURE MESSAGES AT POWER UP OCU DP ALARM MESSAGES APPENDIX OCU DP FAILURE MESSAGES The following messages indicate a probable part failure on the OCU DP Module EPROM EPROM ERROR SRAM StaticRAM ERROR The following message indicates an alarm condi tion on the OCU DP Module OPEN LOOP notable to detect sea
12. ling current flowing DSU CSU not connected or incorrect wiring 61200 068L1 1C November 1996 November 1996 61200 068L1 1C 19 JTINAON da NDO Index A active status information 11 C Configuration See PORT CONFIG Customer Service 7 D data ports See Port Test default setting See Fact Restore Description 1 Features 1 Functional 1 Physical 4 F Fact Restore 13 Front Panel 10 Indicators Buttons 10 Initialization 9 Installation 5 Figure Installing Option Module 6 Placement of the OM 5 Power Connection 5 L Loopbacks Diagram 16 Menu Operation 11 Menu Structure 10 Messages Alarm Messages 18 Failure Messages 18 Modular Jack Pinout Connectors 8 20 61200 068L1 1C November 1996 O OCU DP Menus 11 Operation Overview 10 Overview 1 Features 1 Functional Description 1 Interfaces 2 Specifications 2 P Physical Description 4 PORT CONFIG 12 A B SIGNL soft hardware algorithm 13 LTCHING LBACK latching Channel loopback 13 QUAL MON quality monitor 12 RATE data rate 12 SEC CHAN secondary channel 12 TX LEVEL Transmit Signal 13 ZCS Zero Code Suppression 13 Port Test 15 PORT UTILITY 14 PORTS Status 11 Power Up Testing 9 R Return Material Authorization RMA 7 Run Self Test 15 S selftest 15 software See Port Utility Specifications 2 status information active 11 T TSU 100 Main Menu 10 W Warranty 7 Wiring 8 JTINAON da NDO
13. tatus Submenu of 1 Status iii 11 7 PORT CONFIG Submenu of 2 CONFIG iii 12 FACTORY RESTORE Submenu of S UTIL d acd tent rore tried ns 14 7 PORT UTILITY Submenu of UT Esa ire 14 2 RUN SELF TEST Submenu ota TEST td aie opti 15 3 PORT Test Submenu of 4 TEST neira a ii 15 Figure 4 Diagram of Loopbacks iii 16 Appendix I OCU DP Failure Messages cccccccesesesssnsneessseenenesescesesesescsnans 18 Failure Messages At Power Up iii 18 OCU DP Alarm Messages sss nennen 18 JTINAON dad NDO November 1996 61200 068L1 1C i 61200 068L1 1C November 1996 1 INTRODUCTION 1 1 OCU DP OVERVIEW 1 2 FUNCTIONAL DESCRIPTION FEATURES The Office Channel Unit Dataport OCU DP is one of the Option Modules available for use with the ADTRAN TSU 100 The OCU DP is an all rate Office Channel Unit Dataport It provides signal conversion from any of the rates on the customer loop side to a single DSO time slot The OCU DP should be selected for use with the connection of DDS or Switched 56 DSU CSUs or other equipment which utilizes a DDS interface The OCU DP provides aninterface between the T1 Multiplexer and a DSU CSU over a 4 wire loop up to 18 000 feet in length of 26 AWG cable This interface permits the combination of DDS lines into a single T1 stream The OCU DP is designed to fit in the option slot of the TSU 100
14. uested test configuration Choices ENABLED or DISABLED TX LEVEL Sets the Transmit Signal out of the OCU DP to either Normal or Attenuated For short line lengths it may be necessary to attenuate the trans mit signal if the signal is large enough to saturate the DSU CSU equipment being used Choices NORMAL or REDUCED 10dB November 1996 61200 068L1 1C 13 JTINAON dad NDO 3 FACT RESTORE SUBMENU OF 3 UTIL This menu item is used to restore the factory default setting for all OCU DP option module param eters Operation Follow standard operating procedure to access the 3 UTIL menu items With the cursor on 3 FACT RESTORE Press the ENTER key Results the unit returns to the opening main menu with all factory preset defaults are restored 7 PORT UTILITY SUBMENU OF 3 UTIL The 7 PORT UTILITY menu item is primarily used to access the display of the current software information for each port installed in the unit This information is required when requesting assistance from ADTRAN customer service or when updates are needed Operation Follow standard operating procedure to access the 3 UTIL menu items With the cursor on 7 PORT UTILITY Press the ENTER key Results display of the first available port Use the up and down scroll keys to identify 1 1 OCUDP 7 PORT UTILITY PORT 1 1 OCU DP To select Press ENTER Results display of the option card name and the software version install
15. vember 1996 2 5 POWER UP TESTING AND INITIALIZATION The OCU DP option module executes a self test during the power up sequence as described in the TSU 100 User s Manual No initialization input is required Automatically upon power up any previ ously configured setting for the OCU DP is restored When the self testing is complete and the configu ration is successfully restored it will be indicated by the illumination of the green OK LED in the MOD ULE group on the front panel See the section Front Panel Operation in the TSU 100 User s Manual If the OCU DP module fails one or more of the self tests a message is displayed on the front panel during power up See the section Power Up Testing and Initialization in the TSU 100 Manual Specific failures of the OCU DP module are shown in the appendix OCU DP Failure Messages If any alarms are detected during operation it will be indicated by the illumination of the red ALARM LED in the MODULE group on the front panel November 1996 61200 068L1 1C 9 JTINAON da NDO 3 OPERATION 3 1 OVERVIEW The OCU DP module is controlled as part of the TSU 100 using the same methods as described in the user s manual 3 2 FRONT PANEL INDICATORS BUTTONS Please refer to the description of the TSU 100 front panel indicators and buttons in the user s manual 3 3 MENU STRUCTURE The OCU DP menus appear as a subset of and operate the same as menus for the TSU 10
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