Patton electronics 2701/I User Manual
G.703/g.704 ntu with 10base-t ethernet interface
Hide thumbs
Also See for 2701/I:
- Specification sheet (2 pages) ,
- Specification sheet (16 pages) ,
- User manual (14 pages)
Table of Contents
Advertisement
Quick Links
Important
—This is a Class A device and is
intended for use in a light industrial environ-
ment. It is not intended nor approved for use
in an industrial or residential environment.
Part# 07M2701I-UM
Doc# 08609U2-001
Rev. I
Revised 2/18/08
An ISO-9001Certified
Company
USER
MANUAL
MODEL 2701/I
G.703/G.704 NTU with
10Base-T Ethernet
Interface
SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
Advertisement
Table of Contents
Related Manuals for Patton electronics 2701/I
Summary of Contents for Patton electronics 2701/I
- Page 1 USER MANUAL MODEL 2701/I G.703/G.704 NTU with 10Base-T Ethernet Interface Important —This is a Class A device and is intended for use in a light industrial environ- ment. It is not intended nor approved for use in an industrial or residential environment.
-
Page 2: Table Of Contents
CONTENTS Warranty & Compliance Information ........4 Compliance................... 4 EMC Compliance................4 Safety Compliance: ..............4 PSTN Regulatory Compliance:............. 4 CE Notice..................5 Authorized European Representative........... 5 Service..................5 Safety When Working With Electricity .......... 6 General Information..............7 Features..................7 Description.................. - Page 3 Specifications ................26 A.1 Network Data Rate ..............26 A.2 Network Connector ..............26 A.3 Nominal Impedance ..............26 A.4 Line Coding ................26 A.5 Line Framing ................26 A.6 CRC-4 Multiframing ..............26 A.7 Clocking ..................26 A.8 Time Slot Rate ................26 A.9 Network Data Rates ..............
-
Page 4: Warranty & Compliance Information
1.0 WARRANTY & COMPLIANCE INFORMATION Patton Electronics warrants all Model 2701/I components to be free from defects, and will—at our option—repair or replace the product should it fail within one year from the first date of shipment. This warranty is limited to defects in workmanship or materials, and does not cover customer damage, abuse, or unauthorized modification. -
Page 5: Ce Notice
Packages received without an RMA number will not be accepted. Patton Electronics' technical staff is also available to answer any ques- tions that might arise concerning the installation or use of your Patton Model 2701/I. Technical Service hours: 8AM to 5PM EST, Monday through Friday. -
Page 6: Safety When Working With Electricity
1.5 SAFETY WHEN WORKING WITH ELECTRICITY • This device contains no user serviceable parts. The equipment shall be returned to Patton Electronics for repairs, or repaired by qualified service personnel. • The external power adapter shall be a listed Limited Power Source. -
Page 7: General Information
• Conforms to ONP requirements CTR 12 and CTR 13 for connection to international Telecom networks 2.2 DESCRIPTION The Model 2701/I receives channelized G.704 (n x 64kbps) or clear channel E1/G.703 (2.048-Mbps) data from the telco's digital data net- work. The Model 2701/I terminates the G.703 telco interface and con- verts the data for transmission to a user-oriented 10Base-T (802.3) - Page 8 The Model 2701/I is a 10Base-T bridge that operates over G.703/G.704 lines. It uses MAC learning and forwarding to provide seamless LAN-to- LAN connectivity. As a result, corporate enterprises can connect their servers to a pair of NTUs and automatically forward data packets that are meant for the remote network.
-
Page 9: Ppp Operational Background
3.0 PPP OPERATIONAL BACKGROUND PPP is a protocol used for multi-plexed transport over a point-to-point link. PPP operates on all full duplex media, and is a symmetric peer-to- peer protocol, which can be broken into three main components: 1. A standard method to encapsulate datagrams over serial links;... - Page 10 Figure 1. Cisco router with serial interface, configured as PPP Half Bridge. For example, the customer site is assigned the addresses 192.168.1.0/ 24 through 192.168.1.1/24. The address 192.168.1.1/24 is also the default gateway for the remote network. The above settings remove any routing/forwarding intelligence from the CPE.
-
Page 11: Configuration
Model 2701/I. 4.1 DIP SWITCH CONFIGURATION The Model 2701/I has two sets of internal DIP switches that allow config- uration for a wide range of applications. The sets of switches are accessed from the underside. Figure 3 shows the location of the DIP switches on the bottom of the printed circuit board. -
Page 12: Switch Sw1
Switch SW1 A detailed description of each switch (SW1-1 through SW1-5) setting fol- lows the summary table below: Switch SW-1 through SW1-5. Use Switches SW1-5 to set the DTE data rate. Speed 64 kbps 128 kbps 192 kbps 256 kbps 320 kbps 384 kbps 448 kbps... -
Page 13: Sw1-6 And Sw1-7 Clock Modes
Speed 1408 kbps 1472 kbps 1536 kbps 1600 kbps 1664 kbps 1728 kbps 1792 kbps 1856 kbps 1920 kbps 1984 kbps Clear Channel 2048 kbps Note When the data rate is set to 2.048Mb/s, the unit is forced into G.703 mode, and it transmits user data on all 32 time-lots. There is no framing information;... -
Page 14: Switch Sw2
Switch SW2 A detailed description of each switch (SW1-1 through SW1-5) setting fol- lows the summary table below: Switch SW2-1 Line Coding: HDB3 (default). Use Switch SW2-1 to control the Network Line Coding options. Set these options to be the same as the Line Coding given to you by your Service Provider. -
Page 15: Switch Sw2-2: Crc-4 Multiframe
cause problems, since the NTU receiving the signal relies on the signal to recover the 2.048 Mb/s clock. If you must use AMI, you should ensure that the data terminal equipment connected to the unit provides a minimally accept- able pulse density. For this reason, there are advantages to using HDB3 instead. -
Page 16: Switch Sw2-5 Front Panel Switches
V.54 loop when Remote Loop is selected by the front panel switches. If set to CSU, the Model 2701 will initiate a CSU loop when Remote Loop is selected by the front panel switches. S2-4 RDL Type Initiate a V.54 RDL loop when selected Initiate a CSU loopback when selected Switch SW2-5 Front Panel Switches. -
Page 17: Installation
This section describes how to make these connections. 5.1 CONNECTING TO THE G.703 NETWORK The Power, G.703/G.704 and Ethernet Line connections are located on the rear panel of the Model 2701/I. Figure 5 shows the location of each of these ports. Figure 5. Model 2701/I Rear Panel Connecting Dual Coaxial Cable (75 ohm) to the G.703 Network... -
Page 18: Opening The Case
Connecting the Twisted Pair (120 ohm) to the G.703 Network The Model 2701/I is equipped with a single RJ-48C jack for connections to a 120 ohm twisted pair G.703/G.704 network interface. If your G.703/ G.704 network terminates via RJ-48C, use the connection diagram (Figure 7) following the pinout and signals chart below to connect the 120 ohm G.703/G.704 network channel. -
Page 19: Connecting The 10Base-T Ethernet Port To A Pc (Dte)
Figure 8. Connecting the 10Base-T Ethernet Port to a PC The 10Base-T interface is configured as DTE (Data Terminal Equip- ment). If the Model 2701/I is to to connect to another DTE device such as a 10Base-T network interface card, construct a 10Base-T crossover cable and connect the wires as shown in the diagram below (Figure 9). -
Page 20: Power Connection
Model 2701/I by means of a barrel jack on the rear panel. Many interna- tional power cords are available for the universal power supply. The Model 2701/I powers up as soon as it is plugged into an AC outlet-- there is no power switch.. -
Page 21: Operation
6.0 OPERATION When the Model 2701/I has been properly configured and installed, it should operate transparently. This sections describes power-up, LED status monitors, and the built-in loopback test modes. 6.1 POWER-UP Before applying power to the Model 2701/I, please read section 5.4, “Power Connection”... - Page 22 10BT Link(Active Green) Solid green indicates that the 10BaseT Ethernet interface has detected a valid SQE heartbeat, signifying a valid 10BaseT connection. Status Blinks yellow from one to eleven times to indicate system sta- tus. Each pulse pattern is separated by a 2 second “off” period.
-
Page 23: Loop (V.54 & Telco) Diagnostics
6.3 LOOP (V.54 & TELCO) DIAGNOSTICS The Model 2701/I offers three V.54 loop diagnostics. Use these diagnos- tics to test the NTU and any communication links. These tests can be activated via the front panel switches. Operating Local Loopback (LL) The Local Loopback (LL) test checks the operation of the local Model 2701/I, and is performed separately on each unit. -
Page 24: Operating Remote Digital Loopback (Rl)
E1 interface. When CSU Loop is selected, and when in D4 framing mode, the NetLink 2701/I will implement the “loop up” command when it recognizes the pat- tern “10000” in the data stream for a minimum of 5 seconds. The “loop... -
Page 25: Using The V.52 (Ber) Test Pattern Generator
To use the V.52 BER tests in conjunction with the Remote Digital Loop- back tests (or with Local Line Loopback tests), follow these instructions: 1. Locate the “511/511E” toggle switch on the front panel of the 2701/I and move it UP. This activates the V.52 BER test mode and trans- mits a “511”... -
Page 26: Specifications
APPENDIX A SPECIFICATIONS A.1 NETWORK DATA RATE 2.048 Mbps A.2 NETWORK CONNECTOR RJ-48C/Dual Coax BNC A.3 NOMINAL IMPEDANCE 75/120 ohm A.4 LINE CODING Selectable AMI or HDB3 A.5 LINE FRAMING G.703 (Unframed) or G.704/G.732 (Framed) A.6 CRC-4 MULTIFRAMING Selectable On or Off A.7 CLOCKING Internal or Network (Receive Recover) A.8 TIME SLOT RATE... -
Page 27: A.12 Humidity
A.12 HUMIDITY Up to 90% non-condensing A.13 TEMPERATURE 0 to 50°C (32 to 122°F) A.14 DIMENSIONS Plastic Case – 9.0L x 5.3W x 2.0H cm (3.5L x 2.1W x 0.78H in.) Metal Case – 3.2L x 13.8W x 14.6H cm (1.25L x 5.43W x 5.75H in) -
Page 28: Ethernet 10Base-T Specifications
APPENDIX B ETHERNET 10BASE-T SPECIFICATIONS B.1 DTE INTERFACE 10Base-T on RJ-45F B.2 DTE DATA RATES 10Mbps B.3 LAN CONNECTION RJ-45, 10Base-T, 802.3 Ethernet B.4 PROTOCOL PPP (RFC 1661) with Bridging Control (RFC 1638) B.5 MAC ADDRESS TABLE SIZE 4096 entries B.6 MAC ADDRESS AGING MAC addresses deleted after 8 minutes of inactivity B.7 FRAME BUFFER... -
Page 29: Factory Replacement Parts And Accessories
FACTORY REPLACEMENT PARTS AND ACCESSORIES Patton Model # Description 2701/B G.703/G.704 NTU with RS-530 interface 2701/C G.703/G.704 NTU with a V.35 interface 2701/D G.703/G.704 NTU with an X.21 interface 2701/I G.703/G.704 NTU w/ 10Base-T EN interface 08055DCUI Universal Input Power Supply 07M2701 User Manual... - Page 30 .NOTES _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________...
- Page 31 .NOTES _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________...
- Page 32 NOTES _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ _______________________________________________________ Copyright © 2008 Patton Electronics Company All Rights Reserved.
Need help?
Do you have a question about the 2701/I and is the answer not in the manual?
Questions and answers