Allied Telesis AT-AR040 Guida all'applicazione

NETWORK SERVICE MODULE

HARDWARE REFERENCE

Network Service Module Hardware Reference

Document Number C613-03022-00 REV F.

19800 North Creek Parkway, Suite 200, Bothell, WA 98011, USA.

permission from Allied Telesyn.

Allied Telesyn International, Corp. reserves the right to make changes in specifications

and other information contained in this document without prior written notice. The

information provided herein is subject to change without notice. In no event shall Allied

Telesyn be liable for any incidental, special, indirect, or consequential damages

whatsoever, including but not limited to lost profits, arising out of or related to this

manual or the information contained herein, even if Allied Telesyn has been advised of,

known, or should have known, the possibility of such damages.

All trademarks are the property of their respective owners.

Contents

Models Covered By This Reference .................................................................... 4

Why You Should Read This Reference ............................................................... 4

Where To Find More Information ...................................................................... 4

Compatible Base Units For NSMs ...................................................................... 5

What NSMs Do ................................................................................................. 5

Operating Environment And Regulatory Standards ............................................ 6

Environmental Conditions .......................................................................... 6

Regulatory Standards ................................................................................. 6

AT-AR040 NSM ................................................................................................. 7

AT-AR041 and AT-AR042 NSMs ......................................................................... 8

Basic Rate ISDN Interfaces .......................................................................... 8

ISDN S/T Interface Cables ......................................................................... 10

Testing a BRI NSM .................................................................................... 10

AT-AR048 NSM ............................................................................................... 12

DS3 Interface ........................................................................................... 13

DS3 Interface Cables ................................................................................ 13

Testing a DS3 NSM ................................................................................... 13

Hot Swapping ................................................................................................. 15

Hot Swapping the AR040 NSM with PICs ................................................. 15

How to Hot Swap an NSM ....................................................................... 15

Behaviour of Hot Swapped Interfaces ....................................................... 17

Troubleshooting .............................................................................................. 19

LEDs and What They Mean ....................................................................... 19

Contacting Us ................................................................................................. 23

4Network Service Module

C613-03022-00 REV F

Models Covered By This Reference

This Hardware Reference includes information on the following models:

■AT-AR040

■AT-AR041

■AT-AR042

■AT-AR048

The latest Hardware Reference can be found at www.alliedtelesyn.co.nz/

support/support.html.

Why You Should Read This Reference

This Reference has been developed to familiarise you with the hardware

features of Network Service Modules (NSMs). The Reference provides

information that will assist you with the process of managing and servicing an

NSM. For information about installing an NSM, see the Network Service Module

Quick Install Guide.

The Reference also introduces Port Interface Card (PIC) expansion options.

Detailed information on PICs can be found in the Port Interface Card Hardware

Reference. This Reference and the PIC Reference can be found on the CD-ROM

bundled with every switch or router, or at www.alliedtelesyn.co.nz/support/

support.html.

This Reference does not cover software configuration or physical installation procedures.

For information on software, refer to the Software Reference for your switch or router.

For information on installing an NSM, refer to the Network Service Module Quick

Install Guide. These guides and references can be found on the CD-ROM bundled with

NSM-compatible switches or routers, or at www.alliedtelesyn.co.nz/support/

support.html.

Where To Find More Information

There are several sources of further information:

■The Network Service Module Quick Install Guide, which outlines the

procedure for installing NSMs.

■The Hardware and Software References for your switch or router, which

provide information on related hardware and software features.

■The Port Interface Card Quick Install Guide, which outlines the procedure for

installing PICs; and the Port Interface Card Hardware Reference, which

provides detailed information on PICs.

All of these documents can be found on the CD-ROM bundled with your

switch or router, or at www.alliedtelesyn.co.nz/support/support.html.

Hardware Reference 5

C613-03022-00 REV F

Compatible Base Units For NSMs

Table 1 on page 5 lists NSM-ready products and indicates which NSM model

can be used in each.

1. Maximum DS3 packet forwarding rates are achieved only when the AT-AR048 is installed in a Rapier

24iwhose serial number ends with the letter N or higher. If maximum DS3 performance is not

required, the AT-AR048 can be installed in any Rapier 24iwhose serial number ends in J, K, L, or M.

The serial number can be found on the underside of the switch (see Figure1 on page5).

Figure 1: Serial number label, as found on underside of switch.

What NSMs Do

NSMs are expansion options for those switch and router models that have an

NSM bay. NSMs slot into a base-unit switch or router and either directly

provide additional WAN interfaces, or provide multiple slots where PICs (with

WAN interfaces) can be added.

Table 1: Compatibility of NSMs models.

Family Model(s) AR040 AR041 &

AR042

AR0481

Rapier Rapier 8/8 (MT & SC) 33

Rapier 16F-FX (MT-RJ & SC) 33

Rapier 24 33

Rapier i Rapier 24i333

AR800 Modular Switching Router AR816F-FX (MT-RJ & SC) 33

AR824 33

AR Routers AR740 33

AR745 33

Made in Singapore

Model : AT-RP241-10

Part Number: 990-11934-10

Product Serial Number: S03K225N

Quantity With Unit of

Measure:

1 EA 7 67035 14875

N or higher for maximum DS3

performance

J, K, L, or M for less demanding

DS3 applications

6Network Service Module

C613-03022-00 REV F

Operating Environment And Regulatory

Standards

This section provides an overview of the recommended operating environment

for NSMs, as well as regulatory and conformance standards. Detailed safety

and conformance information can be found in the Safety and Statutory

Information booklet for your switch or router.

Environmental Conditions

• Operating temperature range: 0 to 40º C (32 to 104º F)

• Storage temperature range: -25 to 70º C (-13 to 158º F)

• Relative humidity range: 5 to 95% non-condensing

Regulatory Standards

AT-AR040

• Listing: UL, cUL, TUV

• Safety: UL 60950, CAN/CSA-C22.2 NO. 60950-00, EN60950, AS/

NZS3260 / TS001

• EMC: Radiated: EN55022 class A, FCC class A, VCCI class A, AS/NZS

CISPR22 class A

• Immunity: EN55024

AT-AR041 andAT-AR042

• Listing: UL, cUL, TUV

• Safety: EN60950, AS/NZS3260 / TS001

• EMC: Radiated: EN55022 class A, AS/NZS CISPR22 class A

• Immunity: EN55024

• Network interface: TBR3, ACA TS031, iDA ISDN 1

AT-AR048

•ListingUL,cUL

• Safety: UL60950, CAN/CSA-C22.2 No. 60950-00

• EMC: Radiated: FCC Part 15 class A, IC-03 class A

• Network interface: ANSI T1.102, ANSI T1.404, ANSI T1.107, ANSI

T1.231

Hardware Reference 7

C613-03022-00 REV F

AT-AR040 NSM

The AT-AR040 provides four Port Interface Card (PIC) slots (Figure 2 on

page 7).

Figure 2: AT-AR040 NSM with three PICs.

This NSM supports combinations of the following PICs (with a maximum of

two E1/T1/PRI cards):

• AT-AR020 PRI E1/T1 (Primary Rate ISDN)1

• AT-AR021 (S) BRI-S/T (Basic Rate ISDN S/T)

• AT-AR021 (U) BRI-U (Basic Rate ISDN U)

• AT-AR023 SYN (Synchronous RS-232/X21/V35 DCE/DTE to 2Mps)

• AT-AR024 ASYN4 (Four Asynchronous ports)

1. Up to two PRI E1/T1 PIC cards (AT-AR020) can be installed in the NSM. A

maximum of 32 TDM slots are allowed in each NSM row, and the maximum

aggregate bandwidth for each row is 2.6 Mbps. If two PRI E1/T1 PICs are

installed, the first must be in the lower row (bay 0 or 1), and the second must be

in the upper row (bay 2 or 3). If an AT-AR020 E1/T1 PRI PIC is installed in one

of the rows in the NSM and operating in E1 mode, then this row cannot also

have an AT-AR021(S) BRI-S/T PIC or an AT-AR021(U) BRI-U PIC installed.

AT-AR022 ETH PICs and AT-AR026 4ETH PICs are not recommended for use in the

NSM PIC bays, as performance of these interfaces is likely to be reduced and packet loss

may occur.

Interface numbering for AT-AR040 NSMs

Interface numbering for each interface type (e.g., BRI, PRI, SYN, ETH, PORT)

begins at 0 on the base switch or router and continues until all interfaces of that

type on the base unit are numbered. For AR700 Series routers, the numbering

then continues with the PIC interfaces installed directly in the router’s PIC

bays, starting at PIC bay 0. For switches and routers, the numbering then

continues with the interfaces installed in the NSM, starting with NSM PIC bay

0, and ending with NSM PIC bay 3.

It is recommended that PICs be installed in the router’s PIC bays and NSM’s

PIC bays in the above sequential order, so that interface numbering is not

changed when a new PIC is installed.

nsm4pic3

ASYN

SYN

AT-AR023 SYN PIC

Blank face-plate

AT-AR020 PRI E1/T1PIC

AT-AR024 ASYN4PIC

Active

D Data

B Data

PRI E1/T1

8Network Service Module

C613-03022-00 REV F

AT-AR041 and AT-AR042 NSMs

The AT-AR041 NSM provides eight Basic Rate ISDN S/T WAN ports (Figure 3

on page 8), while the AT-AR042 NSM provides four Basic Rate ISDN S/T WAN

ports (Figure 4 on page 8). In both cases the ports use RJ-45 connectors and

provide TE interfaces. There are two status LEDs per port (Table 3 on page 20).

AT-AR041 and AT-AR042 NSMs support point-to-point links. Point to multi-point

links are not supported.

Figure 3: AT-AR041 NSM.

Figure 4: AT-AR042 NSM.

Basic Rate ISDN Interfaces

AT-AR041 and AT-AR042 NSMs provide Basic Rate ISDN (BRI S/T) interfaces,

which support two 64kbit/s channels and one 16kbit/s D channel.

Both BRI NSMs support only TE mode. The switch or router should be

configured as a TE for normal operation.

Board-mounted jumpers determine the interface termination. By default, the

jumpers are set in the Terminated position (bridging terminals 2 and 3) when

NSMs leave the factory (Figure 5 on page 9). To set the line pairs to Not

Terminated, remove the jumper and replace it so that it bridges terminals 1 and

2. If the building wiring provides the correct termination for an ISDN TE-to-NT

circuit, the jumper should be set in the Not Terminated position.

6754 2310

Data

Active

6754 2310

Data

Active

2310

Data

Active

Hardware Reference 9

C613-03022-00 REV F

Figure 5: Location of jumpers on BRI NSMs.

If the building wiring provides the correct termination for an ISDN TE-to-NT

circuit, the jumper should be set in the NotTerminated position

The Integrated Services Digital Network (ISDN) chapter of the Software Reference

for your switch or router has additional information on termination of ISDN

lines.

If you are unsure whether to terminate the line or not, contact your ISDN service

provider or your Authorised Allied Telesyn distributor or reseller.

The pinout of the BRI interface is shown in Table 2 on page 10.

3 2 1

RJ45 and LED blocks

Jumper set to Not Terminated

Jumper set to Terminated

(Factory default)

There are two jumpers per port. The AT-AR041 NSM,

therefore, has sixteen jumpers, while the AT-AR042 NSM has

eight jumpers. Each pair of jumpers set the Termination for the

port that they are closest to.

10 Network Service Module

C613-03022-00 REV F

ISDN S/T Interface Cables

Figure 6 on page 10 shows how to wire a cable to connect a Basic Rate Interface

(BRI) to the ISDN network terminating equipment (NT).

Figure 6: Pin wiring diagram for an ISDN Basic Rate straight-through Interface

cable.

Testing a BRI NSM

A Test Facility is built into all switch and router software. The Test Facility is

designed to test physical interfaces. Testing can be performed while the switch

or router is operational, but any interfaces being tested are dedicated to the Test

Facility. The Test Facility can be thought of as a specialised interface module

like PPP or Frame Relay.

When testing BRI interfaces, the Test Facility is used in conjunction with a BRI

S/T loopback plug. A loopback plug must be inserted into each interface that

you wish to test. Figure 7 on page 11 shows how to wire the loopback plug.

Table 2: Pinout of the Basic Rate ISDN S/T interface .

Pin S/T Interface Functions

3TX+

4RX+

5RX-

6TX-

RJ45

(to NT)

→

←

Not connected

RX+

RX-

TX-

TX+

Not connected

Notes:

(1) →Output from switch or router; ←Input to switch or router.

(2) Use twisted pair cable, with pairs 3 and 6, and 4 and 5.

(3) Each wire is connected to the same pins at each end.

(4) Cable version 1.0.

Not connected

TX+

TX-

RX-

RX+

Not connected

→

←

BRI1NT

RJ45

(to switch or router)

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