Allied Telesis AT-AR040 Guide d'application
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.
© 2007 Allied Telesis, Inc. All rights reserved. No part of this publication may
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
5
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
30
SYN
Tx
Rx
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
N
T
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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