Allied Telesis AT-AR040 Application guide

Network Service Module

Hardware Reference

AT-AR040

AT-AR041

AT-AR042

AT-AR048

Network Service Module

Hardware Reference

AT-AR040

AT-AR041

AT-AR042

AT-AR048

Download the complete document set from

www.alliedtelesis.com/support/software

Network Service Module Hardware Reference

Document Number C613-03022-00 REV K.

be reproduced without prior written permission from Allied Telesis, Inc.

Allied Telesis, Inc. reserves the right to change specifications and other

information in this document without prior written notice. The information

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

Telesis, Inc. 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

Telesis, Inc. has been advised of, known, or should have known, the possibility

of such damages.

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Contents

Devices Covered By This Document ................................................................... 4

Compatible Switches and Routers ..................................................................... 4

AT-AR048 Support ..................................................................................... 4

Hardware Overview .......................................................................................... 6

Common Features ...................................................................................... 6

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

AT-AR041 and AT-AR042 NSMs .................................................................. 9

AT-AR048 NSM ........................................................................................ 14

LEDs and What They Mean ............................................................................. 17

Hot Swapping ................................................................................................. 20

Hot Swapping the AT-AR040 NSM with PICs ............................................ 20

Behaviour of Hot Swapped Interfaces ....................................................... 20

Troubleshooting .............................................................................................. 22

Obtaining Documentation and Resources ........................................................ 23

4Network Service Module

C613-03022-00 REV K

Devices Covered By This Document

This Hardware Reference includes information on the following Network

Service Modules (NSMs):

■AT-AR040, four Port Interface Card (PIC) expansion bays

■AT-AR041, eight ISDN Basic Rate S/T interfaces

■AT-AR042, four ISDN Basic Rate S/T interfaces

■AT-AR048, one unchannelised DS3 interface

You can download the complete document set for NSMs, and for your switch

or router, from www.alliedtelesis.com/support/software. For more

information about the document set and other resources, see “Obtaining

Documentation and Resources” on page 23.

Compatible Switches and Routers

The following table shows which NSMs are appropriate for different models of

switch and router.

AT-AR048 Support

Maximum DS3 packet forwarding rates are achieved only when the AT-AR048

is installed in a Rapier 48w switch, or a Rapier 24iswitch whose serial number

ends with the letter N or higher. If maximum DS3 performance is not required,

you can install the AT-AR048 in any Rapier 24iwhose serial number ends in J

or later. You can find the serial number on the underside of the switch (Figure 1

on page 5).

Table 1: Compatible switches and routers for Network Service Modules (NSMs)

Model(s) AR040 AR041 AR042 AR048

Rapier 8/8 (MT & SC) switch !!!

Rapier 16F-FX (MT-RJ & SC) switch !!!

Rapier 16Fi-FX (MT-RJ & SC) switch !!!

Rapier 24 switch !!!

Rapier 24iswitch !!!!

Rapier 48w switch !!

AR816F-FX (MT-RJ & SC)

modular switching router

!!!

AR824 modular switching router !!!

AR740 router !!!

AR745 router !!!

Hardware Reference 5

C613-03022-00 REV K

Figure 1: Serial number label on the underside of a Rapier 24i

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 K

Hardware Overview

This section provides an overview of the hardware features of NSMs. NSMs are

expansion options for switch and router models with an NSM bay. NSMs slot

into a base-unit switch or router and either directly provide additional WAN

interfaces, or provide expansion slots for Port Interface Cards (PICs).

Hardware descriptions for your switch or router, Uplink Modules, and PICs

can be found in their respective Hardware References. These documents can be

downloaded from www.alliedtelesis.com/support/software.

Safety and conformance information can be found in the Installation and Safety

Guide or Safety and Statutory Information booklet for your switch or router,

which can be downloaded from www.alliedtelesis.com/support/software.

Common Features

The following hardware features are common to all NSM models.

Environmental

conditions

■Operating temperature range: 0 ºC to 40 ºC (32 ºF to 104 ºF)

■Storage temperature range: -25 ºC to 70 ºC (-13 ºF to 158 ºF)

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

Regulatory

Standards

AT-AR040

■Listing: UL, cUL, TUV

■Safety: UL 60950-1, CAN/CSA-C22.2 No. 60950-1-03, EN60950-1,

AS/NZS60950.1

■EMC: Radiated: EN55022 class A, FCC class A, VCCI class A,

AS/NZS CISPR22 class A

■Immunity: EN55024

AT-AR041 and AT-AR042

■Listing: TUV

■Safety: EN60950-1, AS/NZS60950.1

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

■Immunity: EN55024

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

AT-AR048

■Listing UL, cUL

■Safety: UL60950-1, CAN/CSA-C22.2 No. 60950-1-03

■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 K

AT-AR040 NSM

The AT-AR040 provides four Port Interface Card (PIC) expansion bays for

installing PICs. The front panel of the AT-AR040 NSM is shown in Figure 2.

The AT-AR040 NSM does not have LEDs.

Figure 2: AT-AR040 NSM with three PICs installed

Supported Port Interface Cards (PICs)

The following PICs can be installed in an AT-AR040 NSM:

■AT-AR020 PRI E1/T1, a single ISDN Primary Rate E1/T1 interface

■AT-AR021(S) BRI-S/T, a single ISDN Basic Rate S/T interface

■AT-AR021(U) BRI-U, a single ISDN Basic Rate U interface

■AT-AR023 SYN, a single 2Mbps synchronous interface supporting RS-232,

X.21, and V.35 in DTE and DCE modes

■AT-AR024 ASYN4, four asynchronous ports

■AT-AR027 VoIP-FXS, two Foreign Exchange Voice over IP ports

For more information about installing PICs, see the Port Interface Card

Installation and Safety Guide, which is included with every PIC or can be

downloaded from www.alliedtelesis.com/support/software.

For more information about the hardware features of PICs, constructing data

cables, and verifying installation, see the Port Interface Card Hardware Reference,

which can be downloaded from www.alliedtelesis.com/support/software.

Guidelines and limits for installing PICs

Observe the following guidelines and limits when installing PICs:

■Use the PIC bays on the switch or router first, before installing PICs into an

AT-AR040 NSM.

■Fill any PIC bays in the base router starting at bay 0.

■Fill the PIC bays in the AT-AR040 NSM starting at bay 0.

■You can install a maximum of two AT-AR020 PRI E1/T1 PICs into an

AT-AR040 NSM, and maximum of four total in a switch or router.

■If two AT-AR020 PICs are installed in an AT-AR040 NSM, PIC one must be

installed in the lower row (bay 0 or 1) and the other PIC must be installed

in the upper row (bay 2 or 3).

nsm4pic3

ASYN

SYN

AT- A R 023 SYN PIC

Blank face-plate

AT- A R 020 PRI E1/T1PIC

AT- A R 024 ASYN4PIC

Active

D Data

B Data

PRI E1/T1

8Network Service Module

C613-03022-00 REV K

■If an AT-AR020 PIC is installed in an AT-AR040 NSM, and operating in E1

mode, you can not install an AT-AR021(S) or AT-AR021(U) PIC in the same

row of the NSM.

■You can install a maximum of four AT-AR027 PICs in an AR745 router

fitted with an AT-AR040 NSM.

■Avoid installing an AT-AR022 or AT-AR026 PIC in an AT-AR040 NSM.

Performance of these interfaces may be reduced and packet loss may occur.

Interface numbering

For each interface type (e.g. BRI, PRI, SYN, ETH, PORT), interfaces are

numbered starting at 0, in the following sequence:

1. interfaces on the base switch or router

2. interfaces on PICs installed in PIC bays on the base switch or router, starting

with PIC bay 0

3. interfaces on PICs installed in PIC bays on the AT-AR040 NSM, starting

with NSM PIC bay 0, and ending with NSM PIC bay 3.

Hardware Reference 9

C613-03022-00 REV K

AT-AR041 and AT-AR042 NSMs

The AT-AR041 NSM provides eight ISDN Basic Rate S/T interfaces. The front

panel of the AT-AR041 is shown in Figure 3.

Figure 3: AT-AR041 NSM

The AT-AR042 NSM provides four ISDN Basic Rate S/T interfaces. The front

panel of the AT-AR042 is shown in Figure 4.

Figure 4: AT-AR042 NSM

The BRI ports use RJ-45 connectors and provide TE interfaces. There are two

status LEDs per port. The functions of the LEDs are listed in Table 2.

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

point links are not supported.

Table 2: AT-AR041 and AT-AR042 LEDs

LED State Function

Active Green Lit when the BRI has successfully completed the exchange

of INFO 1 and INFO 2 signals, and INFO 3 and INFO 4

signals are present on the link. This means the ISDN

interface is correctly connected to a working NT device.

Off There is no connection to the ISDN, or the ISDN has

deactivated the connection.

Data Amber For on-demand ISDN, lit when there is a call up over the

respective B channel.

For permanent circuits, lit when HDLC packets are being

exchanged between the switch or router and another TE

end system device (normally another switch or router)

over the respective B (data) channel.

Flashing Amber For on-demand ISDN, flashing when data is being

exchanged.

Off For on-demand ISDN, Off when there is no active

connection or when continuous data exchange is

occurring.

For permanent ISDN circuits, Off when no data exchange

is occurring.

6754 2310

Data

Active

2310

Data

Active

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