
USER MANUAL MODEL 2710 Series NetLink-T1™T1/Fractional T1 CSU/DSU SALES OFFICE(301) 975-1000TECHNICAL SUPPORT(301) 975-1007 Part# 07M2710Doc# 08604U
10 3.0 CONFIGURATION The Model 2710 features conÞguration capability via hardware switches or a software control port. This section describes all p
11Default positions for Switches SW1-SW8 are shown in the table on the following page. Descriptions of each switch follow the table. Switches SW1, S
12 Line Framing Options: • D4/Superframe: The D4 framing format, as speciÞed in AT&T TR62411 is the standard in which twelve frames make up a
13 Switches SW7 and SW8: Line Build Out Use Switches SW7 and SW8 to set the Line Build Out (LBO). The Line Build Out varies the pulse shape and att
14 3.2 SOFTWARE CONFIGURATION The NetLink-T1™ features a menu-driven command system that allows you to monitor/conÞgure its operating parameters. F
15 enter will not be shown. For security, asterisks will be displayed for each letter you type. The maximum length of the password, which can include
16 System ConÞguration The default System ConÞguration menu looks like this:The System ConÞguration options are described below: – Line Format: ESF
17both synchronize the terminal equipment and to identify the signal-ing frames.” (Sec. 4.1.1) ESF: This stands for Extended Superframe Format, a l
18 B8ZS: Bipolar violations occur when consecutive pulses are of the same polarity. In B8ZS, or Bipolar Eight Zero Substitution, bipolar violations
19 – Clocking: Network (default) Options: Network, Internal, ExternalNetwork: This is the most commonly used setting when connecting to a carrie
2 TABLE OF CONTENTS 1.0 COMPLIANCE INFORMATION ... 4 1.1 Warranty Statement...
20 – ESF Data Link: ANSI T1.403 (default)Options: ANSI T1.403, AT&T TR54016ANSI T1.403: This ANSI developed standard (see ANSI T1.403-1995: Netwo
21 – Remote In-Band Loops: Enabled (default)Options: Enabled, DisabledIn ESF, D4 and Unframed formats, the unit can respond to special repeating codes
22 – DS0 Channel ConÞguration Menu: [ Bandwidth/# Channels = 1,536/24 ] (default)The DS0 Channel ConÞguration Menu has a sub-menu that looks like thi
23System DiagnosticsThe System Diagnostics/Statistics screen looks like this:Note This screen is updated once per second.The System Diagnostics/Statis
24 – Remote Loop: Idle (default)The Remote Digital Loopback (RDL) test checks the performance of both the local and remote NetLink-T1™s, as well as th
25The NetLink-T1™ receiving a RL can be in one of the following states: RxPr– The NetLink-T1™ is receiving a preparatory pattern.Sack– The NetLink-T1™
26Network Interface (NI) STATUS. The Network interface (NI) status is shown in the middle of the Diagnostics/Statistics screen. The brackets are empty
27Receive Alarm Indication [RAI] indicates that the local unit is receiving a Yellow Alarm. This alarm is sent by the remote unit or the central ofÞc
28Rx PRM. The NetLink-T1™ transmits ANSI performance report messages once a second when the framing mode is ESF. When the ESF Data Link is set to ANSI
29Unit OptionsThe Unit Options screen looks like this (factory default): – Header Line 1 & Header Line 2 Headers 1 and 2 are provided for easy id
3Operating Remote Digital Loopback (RL)... 35Central Office Loops...
30 – Loop TimeoutThe Loop Timeout setting can be set to one of the following:00:05 = Þve minutes00:10 = ten minutes00:15 = Þfteen minutes00:30 = thirt
314.0 INSTALLATIONThe NetLink-T1™ is equipped with DTE, network, and power interfaces. This section brießy describes connection to each.4.1 DTE IN
324.3 POWER CONNECTIONThe NetLink-T1™ offers three ways to supply external power: AC power, DC power and interface power. Using the AC Power Suppl
335.0 OPERATIONOnce the NetLink-T1™ is installed and conÞgured properly it is ready to place into operation. This section describes the function of
34LOS– The Loss of Sync LED lights when the unit loses synchroniza-tion with the incoming signal. This may happen when there is a fram-ing mismatch or
355.2 LOOP (V.54 & TELCO) DIAGNOSTICSThe NetLink-T1™ offers three V.54 loop diagnostics and is compatible with two Telco loop diagnostics. Use t
36To perform an RDL test, follow these steps: 1. Activate RDL. This may be done in two ways: — Enter Remote Loop from the System Diagnostics/Sta
375.3 BIT ERROR RATE (V.52) DIAGNOSTICSThe NetLink-T1™ offers three V.52 Bit Error Rate (BER) test patterns. These test patterns may be invoked alo
38APPENDIX ASPECIFICATIONSWAN Speed: 1.544 MbpsWAN Connection: RJ-48C Nominal Impedance: 100 OhmsDTE Interface: Integral V.35, M/34 malLine Coding:
39APPENDIX B CABLE RECOMMENDATIONSThe Patton NetLink T1™ Series has been performance tested by Patton technicians using twisted-pair cable with the fo
4 1.0 COMPLIANCE INFORMATION Thank you for purchasing this Patton Electronics product. This product has been thoroughly inspected and tested and i
40APPENDIX C FACTORY REPLACEMENT PARTS AND ACCESSORIESPatton Model # Description10 - 09F... 6 Foot Control Port Cable, 25mm t
41APPENDIX D INTERFACE PIN ASSIGNMENTD.1 RJ-48C T1 (DS0) NETWORK INTERFACE (FEMALE MODULAR JACK)D.2 TRS JACK (RS-232 CONTROL PORT)D.3 RS-232 CONTRO
42D.5 M/34 CONNECTOR, TERMINAL INTERFACEPin # SignalA GND (Earth Ground/Shield)B SGND (Signal Ground)D CTS (DCE Source)E DSR (DCE Source, Always On)F
43APPENDIX E POWER SUPPLY INTERFACEVia Main 5VDC power jack (J1)Center Pin:+5VDC @ 300 mAOuter Barrel:GroundJumper Position for Power via DC Power Jac
44 NOTES______________________________________________________________________________________________________________________________________________
5 1.3 RADIO AND TV INTERFERENCE The NetLink-T1™ Model 2710 Series generates and uses radio fre-quency energy, and if not installed and used properly
6 FCC Compliance The Model 2710 has been tested and found to comply with the speciÞca-tions found in Part 68 of the FCC rules and regulations. A lab
7Þed connector assembly (telephone extension cord). The customer should be aware that compliance with the above condition may not pre-vent degradati
8 2.0 GENERAL INFORMATION Thank you for purchasing this Patton Electronics product. This product has been thoroughly inspected and tested and is wa
9The NetLink-T1™ provides T1 terminations over a modular RJ-48C jack and comply with jitter tolerance capabilities as speciÞed in ANSI T1.403 and AT&
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