Instruction d'utilisation Patton electronic 2710

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USER
MANUAL
MODEL 2710 Series
NetLink-T1™
T1/Fractional T1 CSU/DSU
Part# 07M2710 SALES OFFICE
Doc# 08604U2-001
(301) 975-1000
Rev. C
TECHNICAL SUPPORT
Revised 06/19/06
CERTIFIED
(301) 975-1007
http://www.patton.com
An ISO-9001
Certified Company

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TABLE OF CONTENTS 1.0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product. Section Page This product has been thoroughly inspected and tested and is warrant- ed for One Year parts and labor. If any questions or problems arise 1.0 General Information...............................................................2 during installation or use of this product, please do not hesitate to con- 1.1 Warranty Statement tact Patton Electronics Technical Services at (301) 97

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1.3 RADIO AND TV INTERFERENCE 1.4.1 FCC Compliance: The NetLink-T1™ Model 2710 Series generates and uses radio The Model 2710 has been tested and found to comply with the frequency energy, and if not installed and used properly—that is, in specifications found in Part 68 of the FCC rules and regulations. A strict accordance with the manufacturer's instructions—may cause label on the equipment bears the FCC registration number. You may interference to radio and television reception. The Mode

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2.0 GENERAL INFORMATION 1.6 SERVICE INFORMATION Thank you for your purchase of this Patton Electronics product. All warranty and non-warranty repairs must be returned freight This product has been thoroughly inspected and tested and is warrant- prepaid and insured to Patton Electronics. All returns must have a ed for One Year parts and labor. If any questions arise during installa- Return Materials Authorization number on the outside of the shipping tion or use of the unit, contact Patton El

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3.0 CONFIGURATION 2.3 SUPPORTED APPLICATIONS The Model 2710 features configuration capability via hardware The NetLink-T1™ CSU/DSU provides a T1 (DS1) network termi- switches or a software control port. This section describes all possible nation between the service provider and customer premises equipment hardware and software switch configurations of the NetLink-T1™. (CPE) such as a router. The Netlink-T1™ can also be used as a high- speed short haul modem for campus applications. 3.1 DI

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Switch SW4: Line Framing and Coding SWITCH SET SUMMARY TABLE Position Function Factory Default Selected Option Use Switch SW4 to control the Network Line Framing and Coding SW1 Data Rate On Options. Set these options to be the same as the Line Framing and 1.536 Mbps Coding Options given to you by your Service Provider. If you are using SW2 Data Rate On (DTE Rate) two Model 2710s together as short range modems, set both units iden- SW3 Data Rate On tically. ESF/B8ZS SW4 Framing & Coding Off SW

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Switch SW6: Clock Mode 3.2 SOFTWARE CONFIGURATION Set Switch SW6 to determine the 2710’s transmitter timing. The NetLink-T1™ features a menu-driven command system that allows you to monitor/configure its operating parameters. Follow the SW6 Clock Mode instructions below to configure the Model 2710 using the software Off Network Clock. Transmitter timing is switches: derived from the received line signal. On Internal Clock. Transmitter clock is 1) Plug the 9-pin male end of the cable to your

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4) When the unit is first turned on, the terminal screen may 3.2.1 Introduction to Main Menu appear blank. Press the key. If your serial connection is good, then the unit will immediately display a password After entering the password, you may access all of the system’s prompt. The following message will appear in the middle of functions and parameters. The Main Menu looks like this: the screen: Patton Electronics Menu Management Enter Password: _ 5) Type in the password and press

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The Main Menu options are briefly described below. 3.2.2 System Configuration System Configuration options allow you to change various The default System Configuration menu looks like this: a aspects of the NetLink-T1™’s operation, e.g., framing, line coding, and aggregate bandwidth. System Diagnostics/Statistics options allow you to monitor b the network performance, initiate V.54 loops, local loops, and send test patterns. Network performance parameters are updated once a second, giving you t

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ESF: This stands for Extended Superframe Format, a line format B8ZS: Bipolar violations occur when consecutive pulses are of developed by AT&T. AT&T Technical Reference 54016 (TR the same polarity. In B8ZS, or Bipolar Eight Zero Substitution, 54016) defines the ESF, a format which is commonly used to bipolar violations are introduced deliberately to indicate that allow monitoring of the network interface performance over eight zeros have been transmitted. This special encoding is the Facility Da

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d f Clocking: Network (default) ESF Data Link: ANSI T1.403 Options: Network, Internal, External Options: ANSI T1.403, AT&T TR54016 Network: This is the most commonly used setting when connect ANSI T1.403: This ANSI developed standard (see ANSI T1.403- ing to a carrier’s network. In this mode, the unit recovers the 1995: Network-to-Customer Installation—DS1 Metallic clock from the received signal and uses it to transmit data. In Interface) uses the FDL to send and receive one second this way t

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n h Remote In-band Loops: Enabled (default) DS0 Channel Configuration Menu [ Bandwidth/# Channels = 1,536/24 ] (default) Options: Enabled, Disabled The DS0 Channel Configuration Menu has a sub-menu that looks In ESF, D4 and Unframed formats, the unit can respond to special like this: repeating codes in the data stream that represent loopback com- mands. The command to loop up (go into loopback) is a repeating pat- tern of 00001s. This pattern overwrites the normal data. When this code is det

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3.2.3 System Diagnostics Remote Loop Idle (default) b The System Diagnostics/Statistics screen looks like this: The Remote Digital Loopback (RDL) test checks the performance of both the local and remote NetLink-T1™s, as well as the communica- tion link between them. Data from the local DTE is sent across the entire communication circuit and looped back to the local DTE. The NetLink-T1™ Initiating a RL can be in one of the following states: OK Idle No user-controlled loopbacks are active.

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The NetLink-T1™ receiving a RL can be in one of the following states: NI STATUS RxPr The NetLink-T1™ is receiving a preparatory pattern. The Network interface (NI) status is shown in the middle of the Diagnostics/Statistics Sack The NetLink-T1™, upon receiving a preparatory pattern, screen. The brackets are empty when the link sends an acknowledgement message. is operating normally. In this example, various two or three-letter messages are displayed RL The NetLink-T1™ is in remote loopback mode

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3.2.4 Unit Options c Loop Timeout The Unit Options screen looks like this (factory default): The Loop Timeout setting can be set to one of the following: 00:05 = five minutes 00:10 = ten minutes 00:15 = fifteen minutes 00:30 = thirty minutes (default setting) 00:45 = forty-five minutes 01:00 = one hour 01:30 = 90 minutes 02:00 = two hours 03:00 = three hours NEVER = forever—the unit will remain in loopback without user intervention. d Set to Default Configuration You may set the NetLink-T1™ to

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4.0 INSTALLATION 4.3 POWER CONNECTION The NetLink-T1™ is equipped with DTE, network, and power interfaces. This section briefly describes connection to each. The NetLink-T1™ offers three ways to supply external power: AC power, DC power and interface power. 4.1 DTE INTERFACE CONNECTION 4.3.1 Using the AC Power Supply (120VAC or 100-240VAC) The DTE interface is a V.35 DCE presented as an M/34 male con- nector. This interface is designed to plug directly into a DTE interface The NetLink

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Model 2711 5.0 OPERATION Once the NetLink-T1™ is installed and configured properly it is LOS The Loss of Sync LED lights when the unit ready to place into operation. This section describes the function of loses synchronization with the incoming sig- the LED indicators, and the use of the loopback and pattern test nal. This may happen when there is a fram- modes. ing mismatch or a loss of signal. In unframed mode, the LOS LED monitors the 5.1 LED DESCRIPTIONS status of the transmit clock. The

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To perform an RDL test, follow these steps: 5.2 LOOP (V.54 & TELCO) DIAGNOSTICS 1. Activate RDL. This may be done in two ways: The NetLink-T1™ offers three V.54 loop diagnostics and is com- patible with two Telco loop diagnostics. Use these diagnostics to test b a. Enter Remote Loop from the System the CSU/DSU and any communication links. These tests can be acti- Diagnostics/Statistics menu and toggle the vated via the software control port (See Section 3.2.3 System b u

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APPENDIX A 5.3 BIT ERROR RATE (V.52) DIAGNOSTICS PATTON NETLINK-T1 MODEL 2710 The NetLink-T1™ offers three V.52 Bit Error Rate (BER) test pat- SPECIFICATIONS terns. These test patterns may be invoked along with the LAL and RDL tests to evaluate the unit(s) and the communication links. WAN Speed: 1.544 Mbps When a 511, 2047, or QRSS test is invoked, the NetLink-T1™ 20 WAN Connection: RJ-48C generates a pseudo-random bit pattern of 511 bits, 2047 bits or 2 bits, respectively, using a mathe