Patton electronics IM 1/I Manuel utilisateur

USER

MANUAL

MODEL IM 1/I

Ethernet Bridge Module

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

http://www.patton.com

Part# 07MIM1/I-E

Doc# 090101U,

Rev. F

Revised 1/22/08

CERTIFIED

An ISO-9001

Certified Company

116

Dear Valued Customer,

Thank you for purchasing Patton Electronics products! We do

appreciate your business. I trust that you find this user manual helpful.

We manufacture one of the widest selections of data

communications products in the world including CSU/DSU's, network

termination units, powered and self-powered short range modems, fiber optic

modems, interface converters, baluns, electronic data switches, data-line surge

protectors, multiplexers, transceivers, hubs, print servers and much more. We

produce these products at our Gaithersburg, MD, USA, facility, and can

custom manufacture products for your unique needs.

We would like to hear from you. Please contact us in any of the

following ways to tell us how you like this product and how we can meet your

product needs today and in the future.

Web: http://www.patton.com

Sales E-mail: [email protected]

Support E-mail: [email protected]

Phone - Sales (301) 975-1000

Phone - Support (301) 975-1007

Fax: (301) 869-9293

Mail: Patton Electronics Company

7622 Rickenbacker Drive

Gaithersburg, MD 20879 USA

We are committed to a quality product at a quality price. Patton

Electronics is ISO 9001 certified. We meet and exceed the highest standards

in the industry (CE, UL, etc.).

It is our business to serve you. If you are not satisfied with any

aspect of this product or the service provided from Patton Electronics or its

distributors, please let me know.

Thank you.

Burton A.Patton

Executive Vice President

P.S. Please tell us where you purchased this product.

________________________________________________________

_______

1.0 WARRANTY INFORMATION

Patton Electronics warrants all Model IM1/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.

If this product fails or does not perform as warranted, your sole recourse

shall be repair or replacement as described above. Under no condition

shall Patton Electronics be liable for any damages incurred by the use

of this product. These damages include, but are not limited to, the

following: lost profits, lost savings and incidental or consequential

damages arising from the use of or inability to use this product. Patton

Electronics specifically disclaims all other warranties, expressed or

implied, and the installation or use of this product shall be deemed an

acceptance of these terms by the user.

1.1 RADIO AND TV INTERFERENCE

The Model IM1/I generates and uses radio frequency energy, and if

not installed and used properly—that is, in strict accordance with the

manufacturer’s instructions—may cause interference to radio and

television reception. The Model IM1/I has been tested and complies

with the limits for a Class A computing device in accordance with the

specification in Subpart J of Part 15 of FCC rules, that are designed to

provide reasonable protection from such interference in a commercial

installation. However, this is no guarantee that interference will not

occur in a particular installation. If the Model IM1/I does cause

interference to radio or television reception, which can be determined by

disconnecting the unit, the user is encouraged to try to correct the

interference by one or more of the following measures: moving the

computing equipment away from the receiver, reorienting the receiving

antenna and/or plugging the receiving equipment into a different AC

outlet (such that the computing equipment and receiver are on different

branches). In the event the user detects intermittent or continuous

product malfunction due to nearby high power transmitting radio

frequency equipment, the user is strongly advised to use only a shielded

twisted pair data cable that is bonded to metalized external outer shield

plugs at both ends. The use of a shielded cable satisfies compliance

with the Electromagnetic Compatibility (EMC) directive.

1.2 CE NOTICE

The CE symbol on your Patton Electronics equipment indicates that

it is in compliance with the Electromagnetic Compatibility (EMC)

directive and the Low Voltage Directive (LVD) of the Union European

(EU). A Certificate of Compliance is available by contacting Patton

Technical Support.

215

1.3 SERVICE

All warranty and nonwarranty repairs must be returned freight

prepaid and insured to Patton Electronics. All returns must have a

Return Materials Authorization number on the outside of the shipping

container. This number may be obtained from Patton Electronics

Technical Service at: (301) 975-1007, http://www.patton.com;

[email protected].

NOTE: Packages received without an RMA number will not be

accepted.

Patton Electronics’ technical staff is also available to answer any

questions that might arise concerning the installation or use of your

Model IM 1/I. Technical Service hours: 8AM to 5PM EST, Monday

through Friday.

WARNING! This device is not intended to be

connected to the public telephone network.

APPENDIX B

IM1/I INTERFACE PIN ASSIGNMENT

10BASE-T Interface Pin Description

(RJ-45 Female Connector)

(DTE Configuration)

Pin # Signal

1 TD + (data output from IM1/I)

2 TD - (data output from IM1/I)

3 RD +(data input to IM1/I)

4 no connection

5 no connection

6 RD - (data input to IM1/I)

7 no connection

8 no connection

Patton Electronics Company

14 3

APPENDIX A

PATTON MODEL IM1/I SPECIFICATIONS

LAN Connection: RJ-45, 10Base-T, 802.3 Ethernet

Protocol: PPP (RFC 1661) with Bridging Control

Protocol (RFC 1638)

MAC Address Table Size: 4096 entries

MAC Address Aging: MAC addresses deleted after 8 minutes

inactivity

On-board Memory: 512 KB RAM; 128 KB FLASH

Frame Latency: 1 frame

Interface: card-edge connection to

QuikConnect™ port on Patton base

unit

LED Indicators: (1) general status; (1) link integrity

Power Supply: +5 Volts @ 510 mA supplied to module

by connection to Patton QuikConnect

interface

Temperature Range: 32 to 122ºF (0 to 50º C)

Dimensions: 2.9" x 3.2" (7.4 cm x 8.1 cm)

Weight: 0.25 lb (0.11 kg)

2.0 GENERAL INFORMATION

Thank you for your purchase of this Patton Electronics product.

This product has been thoroughly inspected and tested and is

warranted for One Year parts and labor. If any questions or problems

arise during installation or use of this product, please do not hesitate to

[email protected].

2.1 FEATURES

• Installs in Patton’s baseband modem, CSU/DSU, 64k/G.703

converter and fiber modem base units

• Provides MAC level connection between two peered Ethernet

LANs

• PPP (Point to Point Protocol) RFC 1661 (with Bridging Control

Protocol) RFC 1638

• Operates transparently to higher level protocols such as TCP/IP,

DECnet, NETBIOS and IPX

• No configuration necessary

• Automatically discovers, loads and deletes MAC addresses

• 512 KB on-board RAM

• Modular 10Base-T connection (RJ-45)

• Two LED indicators: status & link integrity

2.2 DESCRIPTION

The Patton IM1/I

QuikConnect™

Ethernet WAN bridge module

installs in Patton’s copper and fiber base units to provide seamless

Ethernet LAN extension. The Patton IM1/I performs the bridging

function between two physically separate Ethernet LANs at the MAC

level. Operation of the Patton IM1/I is transparent to higher network

level protocols such as TCP/IP, DECnet, NETBIOS and IPX. The

Patton IM1/I is 802.3 compliant and supports PPP (Point to point

protocol) with bridging control protocol (RFC 1638).

Once installed in the local Patton base unit, the Patton IM1/I works

in a “plug and play” manner to forward LAN broadcasts, multicasts and

frames destined for the peered Ethernet LAN at the remote end (the

Patton base unit at the remote end must also be equipped with an IM1/I

module). Using the Patton IM1/I, peered Ethernet LANs can be linked

over leased 2-wire/4-wire, DDS, PCM and campus fiber circuits.

2.3 TYPICAL APPLICATION

The Model IM1/I QuickConnect™ is designed to plug directly into

the rear of a Patton Electronics baseband modem (i.e. Model 1090 or

1092). The Model IM1/I is designed to be used as one of a pair of

units. Figure 1 (below) illustrates a typical Model IM1/I installation.

Corporate Headquarters

LAN

Remote/Satellite Office

Ethernet WAN Bridge

QuikConnect™ Module

Ethernet WAN Bridge

QuikConnect™ Module

DDS Network (Model 2530)

PCM Network (Model 2073)

768k Leased Line (Model 1094)

512k Leased Line (Model 1093)

128k Leased Line (Model 1092)

64k Leased Line (Model 1090)

128k Single Fiber (Model 1184)

256k Single Fiber (Model 1185)

Figure 1. Typical Model IM1/I application

6.3 LED STATUS MONITORS

The Model IM1/I features two LEDs that monitor general operating

status and the 10Base-T twisted pair link integrity. Figure 6 (below)

shows the LEDs located directly beneath the RJ-45 jack. Following

Figure 6 is a description of each LEDs function.

Status Blinks yellow from one to eleven times to indicate

system status. Each pulse pattern is separated by a

2 second “off” period. Greater pulse patterns have

higher priority (buffer saturation has greater priority

than an empty MAC table). Valid system statuses

are:

1 pulse = system status is okay

2 pulses = no MAC entries in the MAC Address Table

3 pulses = Clear to Send (CTS) or Carrier Detect

(DCD) from base unit are not asserted

4 pulses = IM1/I buffer is saturated

5 pulses = WAN receive frame(s) too large

6 pulses = WAN receive frame(s) not octet aligned

7 pulses = WAN receive frame(s) aborted

8 pulses = Detected WAN receive frame(s) with CRC

9 pulses = Detected LAN receive frame(s) too large

10 pulses = Detected LAN receive frame(s) not octet

aligned

11 pulses = Detected LAN receive frame(s) with bad

CRC

Link Glows green to indicate good link integrity on the

10Base-T twisted pair line.

Quik-Connect Interface Module

Interface Port

Figure 6. Model IM1/I Panel

Status LED Link LED

6.0 OPERATION

Once the Model IM1/1 is installed, it should operate transparently.

This sections describes power-up, general operating instructions, and

the LED status monitors.

6.1 OPERATING INSTRUCTIONS

In order to operate, the Model IM1/I must be installed in the base

unit. It also requires a 10Base-T connection. After power is applied,

the IM1/I automatically starts performing the bridging function without

further user intervention. MAC addresses discovered are automatically

loaded into the MAC address table. They are automatically deleted

from the MAC address table if they experience an inactivity of 8

minutes.

6.2 POWER-UP

Before applying power to the IM1/I, please be sure it is properly

installed in the base unit. Then make sure that unit is connected to the

appropriate power source (Universal Interface AC Power Supply or

DC Power Supply). Then power-up the base unit using the rear power

switch .

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; 2. A Link Control Protocol (LCP) to

establish, configure, and test the data-link connection; 3. A family

of Network Control Protocols (NCPs) to establish and configure

different network layer protocols.

In order to establish communications over a point-to-point

link, each end of the PPP link must first announce its capabilities

and agree on the parameters of the link’s operation. This

exchange is facilitated through LCP Configure-Request packets.

Once the link has been established and optional facilities

have been negotiated, PPP will attempt to establish a network

protocol. PPP will use Network Control Protocol (NCP) to choose

and configure one or more network layer protocols. Once each of

the network layer protocols have been configured, datagrams

from the established network layer protocol can be sent over the

link. The link will remain configured for these communications

until explicit LCP or NCP packets close the link down, or until

some external event occurs.

The PPP Bridging Control Protocol (BCP), defined in RFC

1638, configures and enables/disables the bridge protocol on

both ends of the point-to-point link. BCP uses the same packet

exchange mechanism as the Link Control Protocol (LCP). BCP

is a Network Control Protocol of PPP, bridge packets may not be

exchanged until PPP has reached the network layer protocol phase.

3.1 Applications

In situations where a routed network requires connectivity

to a remote Ethernet network, the interface on a router can be

configured as a PPP IP Half Bridge. The serial line to the

remote bridge functions as a Virtual Ethernet interface, effectively

extending the routers serial port connection to the remote

network. The bridge device sends bridge packets (BPDU's) to

the router's serial interface. The router will receive the layer

three address information and will forward these packets

based on its IP address.

Figure 2 shows a typical Cisco router with a serial interface

configured as a PPP Half Bridge. The router serial interface uses

a remote device that supports PPP bridging to function as a node

on the remote Ethernet network. The serial interface on the Cisco

will have an IP address on the same Ethernet subnet as the bridge.

611

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. The associated Cisco configuration

will set serial interface (s0) to accommodate half bridging for

the above example.

Authentication is optional under PPP. In a point-to-point

leased-line link, incoming customer facilities are usually fixed

in nature, therefore authentication is generally not required. If

the foreign device requires authentication via PAP or CHAP,

the PPP software will respond with default Peer-ID consisting

of the units Ethernet MAC address and a password which

consists of the unit’s Ethernet MAC address.

Some networking systems do not define network numbers

in packets sent out over a network. If a packet does not have

a specific destination network number, a router will assume

that the packet is set up for the local segment and will not

forward it to any other sub-network. However, in cases where

two devices need to communicate over the wide-area,

bridging can be used to transport non-routable protocols.

Figure 3 illustrates transparent bridging between two

routers over a serial interface (s0). Bridging will occur

between the two Ethernet Interfaces on Router A (e0 and e1)

Figure 2. Cisco router with serial interface, configured as PPP Half Bridge.

Ethernet LAN

Router

Patton

IM1/I Bridge

Customer Site Service Provider’s Network

Internet

no ip routing

interface Ethernet0

ip address 1.1.1.1 255.255.255.0

bridge-group 1

interface Serial0

ip address 1.1.1.1 255.255.255.0

encapsulation PPP

bridge-group 1

interface Serial1

ip address 2.2.2.2 255.255.255.0

bridge-group 1

bridge 1 protocol ieee

Router A

Router B

LAN

LAN LAN

LAN

Serial Interface

Using Bridge-Groups, multiple

remote LANs can be bridged

over the wide-area.

Patton DSL Modem

with

Ethernet Interface

E1/FE1 Link

5.3 CONNECTION TO THE LINE INTERFACE MEDIA

Instructions for connecting the line interface media (twisted pair , or

fiber optic cable) are contained within the base unit user manual.

Please refer to the base unit manual for connection details.

5.4 CONNECTING TO AC OR DC POWER

Instructions for connecting the power supply Universal Interface

AC Power Supply and DC Power Supply option) are contained within

the base unit user manual. Please refer to the base unit manual for

connection details.

WARNING! The Model IM1/I interface card has been

specifically designed to work with UI and DC versions of

Patton Electronics base units. Use with 120/230VAC

versions could result in damage to the unit. If you are

unsure of your base unit power supply, please contact

Patton Electronics technical support at (301)975-1000 or at

[email protected].

Notice! Any terminal cable connected to the Model IM1/I

must be shielded cable, and the outer shield must be 360

degree bonded–at both ends–to a metal or metalized backshell.

10 7

5.2 CONNECTING TO THE 10BASE-T ETHERNET PORT

The RJ-45 Ethernet port on Model IM1/I is designed to connect

directly to a 10BaseT network. Figure 5, below, shows the 10BaseT

RJ-45 port pin description. You may make connections up to 330 feet

using Type 4 or 5 cable.

5.2.1 Connecting the 10Base-T Ethernet Port to a Hub

The Model IM1/I 10Base-T interface is configured as DTE (Data

Terminal Equipment), just like a 10Base-T network interface card in a

PC. Therefore, it “expects” to connect to a 10Base-T Hub using a

straight-through RJ-45 cable. Use the diagram below to construct a

cable to connect the IM1/I to a 10Base-T Hub.

IM1/I 10Base-T Hub

RJ-45 Pin No. RJ-45 Pin No.

1 (TX+) 1 (RX+)

2 (TX-) 2 (RX-)

3 (RX+) 3 (TX+)

6 (RX-) 6 (TX-)

5.2.2 Connecting the 10Base-T Ethernet Port to a PC (DTE)

The Model IM1/I 10Base-T interface is configured as DTE (Data

Terminal Equipment). If you wish to connect the IM1/I to another DTE

device such as a 10Base-T network interface card in a PC, you must

construct a 10Base-T crossover cable as shown in the diagram below.

IM1/I 10Base-T DTE

RJ-45 Pin No. RJ-45 Pin No.

1 (TX+) 1 (TX+)

2 (TX-) 2 (TX-)

3 (RX+) 3 (RX+)

6 (RX-) 6 (RX-)

1 TD+ (data output from IM1/I)

2 TD- (data output from IM1/I)

3 RD+ (data input to IM1/I)

4 (no connection)

5 (no connection)

6 RD- (data input to IM1/I)

7 (no connection)

8 (no connection)

Figure 5. Model IM1/I RJ-45 Connector Pinout

4.0 CONFIGURATION

The Model IM1/I module plugs into Patton’s fiber and copper

baseband modems to provide Ethernet LAN extension. The IM1/I has

no switches or jumpers and does not need to be configured. However,

factors such as ty type of medium, throughput across the link and

clocking mode must be determined by the settings of the baseband

modems. Please refer to your baseband modem (i.e. 1092A, 1093,

1095, 1185, etc) to make the following settings.

1) Bit Rate: The DTE rate setting of your base unit corresponds

to the throughput of your IM1/I bridge module. Use higher

speeds to allow maximum throughput to your extended LAN.

NOTE: The IM1/I only supports synchronous speeds.

2) Clocking Mode: Set the clocking modes on the base units so

that one unit is configured for Internal clocking mode and the

other unit is set for Receive Recover clocking mode.

3) All other base unit settings depend upon your application and

on the application medium (twisted pair or coaxial cable)

BASE UNIT CLOCK MODES

Unit “A” Unit “B”

Internal Clock Setting Receive Recover Clock Setting

NOTE: Unit “A” and Unit “B” are arbitrarily chosen. It does not matter which

unit is “A”, and which is “B”.

8 9

5.0 INSTALLATION

The Model IM1/I is completely plug and play. This section tells you

how to make the connections.

5.1 INSTALLING THE QUICKCONNECT™ MODULE

Each Quick Connect Module™ has a 50-pin card edge connector

on one side and an ethernet interface on the other. The instructions

below describe how to remove the existing QuickConnect™ Module

and how to install the new IM1/I module. If your base unit does not

have an existing QuickConnect™ already installed, please skip to

section 3.2.2.

5.1.1 Removing the Existing QuickConnect™ Module

1) Turn the power switch off. Leave the power cord plugged into a

grounded outlet to keep the unit grounded.

2) Loosen the two thumbscrews on the module by turning them

counterclockwise.

3) Grasp the two thumbscrews and gently pull the module from the

unit. Apply equal force to the thumbscrews to keep the module

straight during the removal process

5.1.2 Installing the New QuickConnect™ Module

1) Make sure the power switch on the base unit is off. Leave the

power cord plugged into a grounded outlet to keep the unit

grounded.

2) Hold the module with the faceplate toward you and align the

module with the guide slots in the rear panel of the base unit.

3) While keeping the module’s faceplate parallel with the base unit

rear panel, slide the module straight in–so that the card edge

contacts line up with the socket inside the chassis. Figure 4

(below) shows how a Quick Connect Module plugs into the rear

of the base unit.

NOTE: The card edge connector should meet the socket when

it is almost all the way into the chassis. If you encounter a lot of

resistance, remove the module and repeat steps 2 & 3.

4) With the card edge contacts aligned with the socket, firmly seat

the module by using your thumbs to apply pressure directly to

the right and left edges of the module faceplate. Applying

moderate and

even

pressure should be sufficient to seat the

module. You should hear it “click” into place.

5) To secure the module in place, push the thumbscrews into the

chassis and turn the screws clockwise to tighten.

0 OFF

1 ON

Line

Interface Port

Figure 4. Installation of Model IM 1/I Plug-in Serial Interface Module

8 9

5.0 INSTALLATION

The Model IM1/I is completely plug and play. This section tells you

how to make the connections.

5.1 INSTALLING THE QUICKCONNECT™ MODULE

Each Quick Connect Module™ has a 50-pin card edge connector

on one side and an ethernet interface on the other. The instructions

below describe how to remove the existing QuickConnect™ Module

and how to install the new IM1/I module. If your base unit does not

have an existing QuickConnect™ already installed, please skip to

section 3.2.2.

5.1.1 Removing the Existing QuickConnect™ Module

1) Turn the power switch off. Leave the power cord plugged into a

grounded outlet to keep the unit grounded.

2) Loosen the two thumbscrews on the module by turning them

counterclockwise.

3) Grasp the two thumbscrews and gently pull the module from the

unit. Apply equal force to the thumbscrews to keep the module

straight during the removal process

5.1.2 Installing the New QuickConnect™ Module

1) Make sure the power switch on the base unit is off. Leave the

power cord plugged into a grounded outlet to keep the unit

grounded.

2) Hold the module with the faceplate toward you and align the

module with the guide slots in the rear panel of the base unit.

3) While keeping the module’s faceplate parallel with the base unit

rear panel, slide the module straight in–so that the card edge

contacts line up with the socket inside the chassis. Figure 4

(below) shows how a Quick Connect Module plugs into the rear

of the base unit.

NOTE: The card edge connector should meet the socket when

it is almost all the way into the chassis. If you encounter a lot of

resistance, remove the module and repeat steps 2 & 3.

4) With the card edge contacts aligned with the socket, firmly seat

the module by using your thumbs to apply pressure directly to

the right and left edges of the module faceplate. Applying

moderate and

even

pressure should be sufficient to seat the

module. You should hear it “click” into place.

5) To secure the module in place, push the thumbscrews into the

chassis and turn the screws clockwise to tighten.

0 OFF

1 ON

Line

Interface Port

Figure 4. Installation of Model IM 1/I Plug-in Serial Interface Module

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