Patton electronics 2701RC User Manual

Patton electronics 2701RC User Manual

E1/fractional e1 csu/dsu rack card
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USER
MANUAL
MODEL 2701RC Series
NetLink-E1™
E1/Fractional E1 CSU/DSU
Rack Card
Part# 07M2701RC-B
Doc# 086131UB
Revised 03/09/01
C E R T I F I E D
C E R T I F I E D
An ISO-9001
Certified Company
SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
http://www.patton.com

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Summary of Contents for Patton electronics 2701RC

  • Page 1 USER MANUAL MODEL 2701RC Series NetLink-E1™ E1/Fractional E1 CSU/DSU Rack Card Part# 07M2701RC-B SALES OFFICE Doc# 086131UB (301) 975-1000 Revised 03/09/01 TECHNICAL SUPPORT C E R T I F I E D C E R T I F I E D (301) 975-1007 http://www.patton.com...
  • Page 2: Table Of Contents

    4.0 Installation ...34 4.1 The Model 1001R14 Rack Chassis 4.2 Installing the Interface Driver Board 4.3 Installing the 2701RC Into the Rack Chassis 4.4 Connecting to a DTE Device 4.5 Connecting to a DCE Device 4.6 Connecting the E1 Interface 4.7 Connecting dual Coax BNC (75ohm)
  • Page 3: Service Information

    Patton Electronics’ technical staff is also available to answer any questions that might arise concerning the installation or use of your Patton Model 2701RC. Technical Services hours: 8AM to 5PM EST, Monday through Friday. 2.0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product.
  • Page 4: Configuration

    3.1 DIP SWITCH CONFIGURATION The Model 2701RC has two eight bit DIP switches and two rotary DIP switches that allow configuration for a wide range of applications. The switches are accessed by removing the card from the chassis.
  • Page 5 32 64kb/s timeslots, numbered 0 to 31. TS16 of the first frame in the MF contains the CAS MF alignment word in the upper four bits. The alignment word is always 0000 (binary). The 2701RC does not perform any signaling in TS16 other than to insert the MF alignment word, in order to maintain MF alignment.
  • Page 6 VT-100 control SWITCH S2-8 IMPEDANCE Switch S2-8 is used to select the line build out for the Model 2701RC. When using the 1001RCM11575 (dual BNC) rear card, set S2-8 to OFF. When using a 120 Ohm cable with RJ-45 connectors, set S2-8 to...
  • Page 7: Configuring The Rear Interface Card

    3.2 CONFIGURING THE REAR INTERFACE CARD The Model 2701RC Series has five interface card options: the Model 1001RCM12548C (DB-25/RJ-48C), the Model 1001RCM13448C (M/34/RJ-48C), the Model 1001RCM11548C (DB- 15/RJ-48C), the Model 1001RCM11575 (DB-15/Dual BNC). Each of these options supports one DTE interface connection and one 4-wire line connection.
  • Page 8: Sgnd & Frgnd (Jb4)

    The table below provides an overview of interface strap functions for the rear interface cards. Following the table overview are detailed descriptions of each strap’s function. INTERFACE CARD STRAP SUMMARY TABLE #1 Strap Function Position 1&2 DTE Shield (Pin1) & FRGND Connected* FRGND &...
  • Page 9 SGND & FRGND (JB4) In the connected position, this strap links Signal Ground and frame ground through a 100 ohm resistor. In the open position, signal ground is disconnected from frame ground. Position 1&2 = SGND and FRGND Connected Position 2&3 = SGND and FRGND Not Connected 3.2.3 Model 1001RCM11548C Strap Settings Figure 7 shows strap locations for the Model 1001RCM11548C (DB-15) rear cards.
  • Page 10 3.3.1 Setting the Card Address The 2701RC contains two rotary switches (S3 and S4) which are used to set the address of the card. Figure 8, below, shows a close-up of S3 and S4 and the addressable digits.
  • Page 11: Helpful Hints

    To execute the selection, type [Enter/CR]. To toggle between options on a highlighted selection, Press [space]. Select Save Changes from Main Menu after making modi- fications to any Model 2701RC parameter. Otherwise, changes will be lost when the Model 2701RC is turned off.
  • Page 12 Unit Options allow you to customize the Model 2701RC for your location. You can change the default header names to give each unit a unique name and password. Also, you can reset the unit to its default settings without the manual.
  • Page 13 Line Coding: HDB3 (default) Options: AMI, HDB3 HDB3: In this line coding, the transmitter substitutes a deliberate bipolar violation when excessive zeros in the data stream are detected. The receiver recognizes these special violations and decodes them as zeros. This method enables the network to meet minimum pulse density requirements.
  • Page 14 Default Config Source: Switch (default) Options: EEPROM, Switch The Model 2701RC can be initialized via the configuration in the on- board permanent memory (EEPROM) or via the internal DIP switches (Switch). Once the unit is powered up, you may change the settings through the control port or the DIP switches.
  • Page 15 Model 2701RCs, as well as the communi- cation link between them. Data from the local DTE is sent across the entire communication circuit and looped back to the local DTE. The Model 2701RC Initiating a RL can be in one of the following states: Idle No user-controlled loopbacks are active.
  • Page 16 IdlP The Model 2701RC is sending a test pattern in place of data. The Model 2701RC is not in test mode. The Model 2701RC receiving a RL can be in one of the following states: RxPr The Model 2701RC is receiving a preparatory pattern.
  • Page 17 DTE interface. Standard DTE interfaces will transmit data with respect to the External Clock. In some cases a DTE interface will transmit with respect to the Transmit clock sent out from the 2701RC. Please review the information provided with your DTE equipment for more information on its' operation.
  • Page 18: Installation

    4.0 INSTALLATION This section describes the functions of the Model 1001R14 rack chassis, tells how to install front and rear Model 2701RC Series cards into the chassis, and how to connect to the twisted pair interface and the serial interface.
  • Page 19: Installing The Interface Driver Board

    1001 rack. 4.3 INSTALLING THE MODEL 2701RC INTO THE CHASSIS The Model 2701RC is comprised of a front card and a rear card. The two cards meet inside the rack chassis and plug into each other by way of mating 50 pin card edge connectors. Use the following...
  • Page 20: Connecting To A Dce Device

    4.7 CONNECTING DUAL COAX BNC (75 OHM) In addition to the 120 Ohm twisted pair connection, the Model 2701RC, when used with the 1001RCM11575 rear card, is equipped with dual female BNCs (TX and RX) for connection to a 75 ohm dual coax G.703 network interface.
  • Page 21: Loop (V.54 & Telco) Diagnostics

    Clock/ Data Data Clock/ Data Model 2701 RC Model 2701RC LLB Initiated Figure 7. Local Loopback To perform a LL test, follow these steps: Activate LL. This may be done in one of three ways: Enter Local Loop from the System Diagnostics/Statistics menu and toggle the <Spacebar>...
  • Page 22: Bit Error Rate (V.52) Diagnostics

    Cable Span Clock/ Data Data Clock/ Data Model 2701RC Model 2701RC RDL Initiated Figure 8. Remote Loopback There are two Remote Loops that can be initiated from the NetLink-E1 unit: (1) V.54 Loop, and; (2)CSU Loop. The user can select the type of loop that can be initiated from the System Diagnostics/Statistics screen or with Switch S2-1.
  • Page 23: Appendix A - Specifications

    Error Insertion to ON). Toggle the front panel switch to either PAT or PAT/E (Test Pattern with Error Injection). APPENDIX A PATTON MODEL 2701RC SPECIFICATIONS Network Data Rate: 2.048 Mbps Network Connector: RJ-48C or dual BNC...
  • Page 24: Appendix B - Cable Recommendations

    83nf/mi or 15.72 pf/ft. 24 AWG 83nf/mi or 15.72 pf/ft. To gain optimum performance from the Model 2701RC Series, please keep the following guidelines in mind: • Always use twisted pair wire—this is not an option. • Use twisted pair wire with a capacitance of 20pf/ft or less.
  • Page 25: E1 Interface Pin Assignment

    APPENDIX D PATTON NETLINK-E1™ MODEL 2701RC E1 INTERFACE PIN ASSIGNMENT RJ-48C E1 (DS0) Network Interface (Female Modular Jack) Pin # Signal RX Data (TIP 1) From Network RX Data (RING1) TX Data (TIP) To Network TX Data (RING) APPENDIX E PATTON NETLINK-E1™...
  • Page 26 APPENDIX E (continued) PATTON NETLINK-E1™ MODEL 2701RC EIA-530 INTERFACE PIN ASSIGNMENT DB-25 Female Connector, Terminal Interface Pin # Signal FG (FrameGround) TD (Transmit Data-A, DTE Source) RD (Receive Data-A, DCE Source) RTS (Request to Send-A, DTE Source) CTS (Clear to Send-A, DCE Source)

This manual is also suitable for:

Netlink-e1 2701rc series

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