Patton electronics IM2RC/IA Manuel utilisateur

USER

MANUAL

MODEL IM2RC/IA

Ethernet Bridge Module

SALES OFFICE

(301) 975-1000

TECHNICAL SUPPORT

(301) 975-1007

http://www.patton.com

Part# 07MIM2RC/IA-A

Doc# 078521UA

Revised 06/24/99

CERTIFIED

An ISO-9001

Certified

Company

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Patton Electronics warrants all Model IM2RC/IA 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 modifi-

cation. 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 consequen-

tial 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 IM2RC/IA 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 IM2RC/IA has been tested and com-

plies 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 interfer-

ence will not occur in a particular installation. If the Model IM2RC/IA

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.

1.3 SERVICE

All warranty and nonwarranty repairs must be returned freight pre-

paid and insured to Patton Electronics. All returns must have a Return

Materials Authorization number on the outside of the shipping contain-

er. This number may be obtained from Patton Electronics Technical

Service at:

Tel: (301) 975-1007

Email: http://www.patton.com

www: [email protected].

Patton Electronics’ technical staff is also available to answer any

questions that might arise concerning the installation or use of your

Model IM2RC/IA. Technical Service hours: 8AM to 5PM EST,

Monday through Friday.

WARNING! This device is not intended to be con-

nected to the public telephone network.

NOTE: Packages received without an RMA number will

not be accepted.

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Thank you for your purchase of this Patton Electronics product.

This product has been thoroughly inspected and tested and is warrant-

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

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

tact us at: (301) 975-1007, http://www.patton.com; support@pat-

ton.com.

2.1 FEATURES

• Installs in Patton’s NetLink Rack Systems

• Provides MAC level connection between two peered Ethernet

LANs

• RJ-45 line connection

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

DECnet, NETBIOS and IPX

• No configuration necessary

• Automatically discovers, loads and deletes MAC addresses

• Modular 10Base-T connection (RJ-45)

• Two LED indicators: status & link integrity

2.2 DESCRIPTION

The Patton IM2RC/IA, Ethernet Bridge Module installs in the

NetLink Rack system to provide seamless Ethernet LAN extension.

The Patton IM2RC/IA performs the bridging function between two

physically separate Ethernet LANs at the MAC level. Operation of the

Patton IM2RC/IA is transparent to higher network level protocols such

as TCP/IP, DECnet, NETBIOS and IPX.

Once installed in the local Patton NetLink rack, the Patton

IM2RC/IA works in a “plug and play” manner to forward LAN broad-

casts, multicasts and frames destined for the peered Ethernet LAN at

the remote end (the Patton base unit at the remote end must be

equipped with an IM1/I module). Using the Patton IM2RC/IA, peered

Ethernet LANs can be linked over leased 2-wire/4-wire, DDS, PCM

and campus fiber circuits.

2.3 TYPICAL APPLICATION

The Model IM2RC/IA is designed to plug directly into the rear of a

Patton Electronics rack card modem (i.e. Model 1092ARC or 1095RC).

The Model IM2RC/IA is designed to be used as one of a pair of units.

Figure 1 (below) illustrates a typical Model IM2RC/IA installation.

Corporate Headquarters

LAN

Remote/Satellite Office

Ethernet Bridge

Module

Rack-Mounted Ethernet

WAN Bridge Module

2.3Mbps

Leased Line

(Model 1095)

Figure 1. Typical Model IM2RC/IA application

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The Model IM2RC/IA module plugs into Patton’s1092ARC and

1095RC modems to provide Ethernet LAN extension. The IM2RC/IA

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

However, factors such as the 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. 1092,

and 1095) to make the following settings.

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

to the throughput of your IM2RC/IA bridge module. Use higher

speeds to allow maximum throughput to your extended LAN.

Use lower speeds to limit the access of your extended LAN.

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) When using the IM2RC/IA, DISABLE, the “Enable Loop from

DTE” Switch on the front function card (1092ARC or

1095RC).

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

on the application medium (twisted pair or coaxial cable)

NOTE: The IM2RC/IA only supports synchronous speeds.

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”.

3.1

CONNECTING THE INTERFACE DRIVER BOARD

This package contains an interface driver board that allows you to

configure your front function card for ethernet operation. Figure 2

shows the Interface Driver Board connected to a Model 1095RC front

function card.

Follow the instructions below to connect the interface driver board

to the front function card:

1. With the function card (such as 1095RC, shown above) pulled

out of the NetLink rack or clusterbox chassis, locate the driver

board to be replaced on the top of the base unit front card.

2. Lift the old interface board gently off of the printed circuit

board.

3. Position the IM2RC/IA driver board on top of the function

card’s pc board with the sockets oriented toward the male

pins. Please be sure the label marked FRONT is

pointed toward the front of the function card (toward the

LEDs).

4. Push the Interface Driver Board gently onto the socket and re-

install the function card into the rack or cluster system.

12345678

Figure 2. Model IM2RC/IA Driver Board mounted on Model 1095RC

Interface Driver Board

Model

1095RC

FRONT

Front Rear

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This section describes the NetLink Model 1001R14 rack chassis,

Included are installation instructions for the IM2RC/IA rear card, plus

ethernet and line interface connections to the IM2RC/IA card. Please

refer to the appropriate function card (i.e. 1092ARC) user manual to

configure and install the function card.

4.1 THE MODEL 1001R14 RACK CHASSIS

The Model 1001R14 Rack Chassis (Figure 3, below) has fourteen

baseband modem card slots, plus its own power supply. Measuring

only 3.5” high, the Model 1001R14 is designed to occupy only 2U in a

19” rack.

4.1.1 The Rack Power Supplies

The Patton NetLink rack system is designed to allow single or

redundant (dual) power supplies. Using the same mid-plane architec-

ture as the function/rear cards, the front function card and the power

supply slide in from the front, while the rear card and power entry mod-

ules slide in from the rear. They plug into one another in the middle of

the rack. The front card is then secured by thumb screws and the rear

card by conventional metal screws.

Figure 3. Model 1001R14 Rack Chassis with power supply

WARNING! There are no user-serviceable parts in the power

supply section. Voltage setting changes and fuse replacement

should only be performed by qualified service personnel.

Contact Patton Electronics Technical support at (301)975-1007

for more information.

4.2 INSTALLING THE REAR IM2RC/IA CARD AND FRONT FUNC-

TION CARD

The Model IM2RC/IA is a rear-mountable ethernet interface card

that works with Patton Models 1092RC and 1095RC access products.

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

steps as a guideline for installing each Model IM2RC/IA and its func-

tion card mate into the rack chassis:

1. Slide the IM2RC/IA rear card into the back of the chassis

along the metal rails provided.

2. Secure the IM2RC/IA rear card using the metal screws provid-

ed.

3. Slide the front function card into the front of the chassis. It

should meet the IM2RC/IA rear card when it is almost all the

way into the chassis.

4. Push the front card

gently

into the card-edge receptacle of the

rear card. It should “click” into place.

5. Secure the front card using the thumb screws.

NOTE: Please refer to the Model 1001RP Series User Manual

AC and DC Rack Mount Power Supplie

s for fuse and power card

replacement information.

WARNING! The IM2RC/IA card contains sensitive integrated

circuitry. Failure to ground yourself during installation may

result in damage to the IM2RCIA card or the front function card.

4.3 CONNECTING TO THE 10BASE-T ETHERNET PORT

The Model IM2RC/IA provides line side connections through a ter-

minal block or through a RJ-45 connector. Figure 4 below, shows the

rear panel options and the locations of the connectors.

The RJ-45 Ethernet port on Model IM2RC/IA 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.

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 IMRC2/IA Ethernet Connector Pinout

Terminal Block

Line Side RJ-45

Line Side

10-BaseT

Connector

Figure 4. IM2RC/IA, Rear Panel Options

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

The Model IM2RC/IA 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 IM2RC/IA to a 10Base-T Hub.

IM2RC/IA 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-)

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

The Model IM2RC/IA 10Base-T interface is configured as DTE

(Data Terminal Equipment). If you wish to connect the IM2RC/IA 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.

IM2RC/IA 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-)

4.3.3 CONNECTING THE LINE INTERFACE

The Model IM2RC/IA is to be used with Patton function card access

products (i.e. 1092ARC) There are two essential requirements for con-

necting the line interface on Model IM2RC/IA:

1. These units work in

pairs

with one IM2RC/IA connected to

another IM2RC/IA (or IM1/I) over 2 or 4-Wire Twisted pair

(2 or 4-Wire operation is determined by the front function

card).

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Once the Model IM2RC/IA is installed, it should operate transpar-

ently. The following sections describes the power-up, general operating

instructions, and the LED status monitors.

5.1 OPERATING INSTRUCTIONS

In order to operate, the Model IM2RC/IA must be installed in the

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

applied, the IM2RC/IA automatically starts performing the bridging

function without further user intervention. MAC addresses discovered

are automatically loaded into the MAC address table. They are auto-

matically deleted from the MAC address table if they experience an

inactivity of 8 minutes.

5.2 POWER-UP

The Model IM2RC/IA is a hot-swappable rear card that receives

power from the NetLink rack power bus. Therefore, it is powered up

as soon it is plugged into the rack and the rack power supply is turned

on.

5.3 LED STATUS MONITORS

The Model IM2RC/IA 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.

Figure 7. IM2RC/IA, Rear Panel, LED Locations

Status LED

Yellow

Link Integrity LED

Green

Status LED

Yellow

Link Integrity LED

Green

2. To function properly, the Model IM2RC/IA needs one or two

twisted pairs of metallic wire (two or four wire). The twisted

pairs must be

unconditioned

, dry, metallic wire, between 19

(.9mm) and 26 AWG (.4mm) (Appendix B describes cable

requirements) . Standard dial-up telephone circuits, or

leased circuits that run through signal equalization equipment,

or standard, flat modular telephone type cable, are

not

acceptable

. Figure 6, below,

Figure 6. RJ-45 Line Interface

1 (no connection)

2 (no connection)

3 (4-Wire ARX-)

4 (2-Wire TIP)/(4-Wire TX+)

5 (2-Wire RING)/(4-Wire TX-)

6 (4-Wire ARX+)

7 (no connection)

8 (no connection)

NOTE: Two-Wire Modems use RJ-45 pins 4 and 5 and 4-Wire

Modems use RJ-45 pins 3, 4, 5 and 6, as shown above. Please

see the Function Card User Manual for more details.

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 sat

uration has greater priority than an empty MAC table). Valid

system statuses are:

1 pulse = system status ok

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 = IMRC2/IA 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 bad 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

After a status code is displayed eight times and the associat-

ed condition is removed, the status code will no longer

appear.

Link Glows green to indicate good link integrity on the 10Base-T

twisted pair line.

AAPPPPEENNDDIIXX

PATTON ELECTRONICS MODEL IM2RC/IA

SPECIFICATIONS

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

Line Connection RJ-45, female connector or terminal

block

MAC Address Table Size: 4096 entries

MAC Address Aging: MAC addresses deleted after 8 min

utes inactivity

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

Frame Latency: 1 frame

Interface: Card-edge connection to Patton

modems

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

Power Consumption: 250mA @ 5VDC, supplied

by front card modem

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

Dimensions: 2.04” x 3.24” (5.2 mm x 8.26 mm)

Compliance: FCC part 15 Class A, CE marked per

EEC Directive 89/336/EEC, and Low

Voltage directive 73/23/EEC

AAPPPPEENNDDIIXX

IM2RC/IA

FACTO RY REPLACEMENT PARTS

AND ACCESSORIES

Patton Electronics Model # Description

1000RCM70364DB.........Ethernet Daughter Board

07MIM2RC/IA..................IM2RC/IA User Manual

AAPPPPEENNDDIIXX

IM2RC/IA INTERFACE PIN ASSIGNMENT

10BASE-T Interface Pin Description

(RJ-45 Female Connector)

(DTE Configuration)

Pin # Signal

1 TD + (data output from IM2RC/IA)

2 TD - (data output from IM2RC/IA)

3 RD +(data input to IM2RC/IA)

4 no connection

5 no connection

6 RD - (data input to IM2RC/IA)

7 no connection

8 no connection

Patton Electronics Company

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