Paradyne Network Card EAM2000 12 User Manual

Interface Module User Guide  
EAM2000-12  
12-Port E1 Access Multiplexer  
Net to Net Technologies strongly recommends the use of proper electrostatic discharge (ESD) precautions  
when handling this equipment.  
CAUTION  
INSTALLATION  
1. Unpack and inspect the EAM2000-12.  
If there is visible damage, do not attempt to connect the device; contact Customer Support at 1-  
877-638-2638 (001-603-427-0600 for international customers) or [email protected].  
2. Install the EAM2000-12 in an IP DSLAM chassis.  
There must be a Multiplexer Uplink Module installed in the IP DSLAM chassis in order for Access Modules to  
operate.  
NOTE  
All Access Multiplexer Modules for Net to Net Technologies' IP DSLAMs are hot swappable;  
installing or removing an Access Module while the chassis is powered up does not affect the  
operational status of other Access Modules within the chassis. The IPD12000 is a fourteen slot  
chassis; slots 1-12 are reserved for Access Modules (such as the EAM2000-12) and slots 13-14  
are reserved for Multiplexer Uplink Modules (such as the MUM200-2). Access Modules may be  
placed in any order in slots 1-12. The IPD4000 is a five slot chassis; slots 1-4 are reserved for  
Access Modules and slot 5 is reserved for a Multiplexer Uplink Module.  
a. Align the EAM2000-12 with the slot module guides of the chosen slot for installation (slot  
1-12 on the IPD12000 or slot 1-4 on the IPD4000).  
b. Slide the EAM2000-12 firmly into the chassis. DO NOT USE EXCESS FORCE.  
c. Secure the EAM2000-12 by tightening the fastening screws on the module faceplate.  
d. Verify that the PWR (Power) LED on the EAM2000-12 faceplate is illuminated.  
 
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192.168.254.252 if the MUM is in slot 13 (IPD12000) or slot 5 (IPD4000)  
192.168.254.253 if the MUM is in slot 14 (IPD12000)  
e. Log in with a default username and password (both of which are case sensitive).  
Please note that General Users have "read only" access; for NMS configuration you  
must log in as a Superuser.  
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!
general / Password  
superuser / Password  
Once accessed initially, the management system within the MUM can be configured such that NMS  
and SNMP can be reached from any computer on your network. For further instruction please refer  
to the Management User Guide for IP and Mini DSLAMs.  
NOTE  
Accessing EAM2000-12 data in a previously installed IP DSLAM  
a. Establish a connection with the MUM either directly (through the Ethernet RJ45  
MGMT port on the MUM faceplate) or, if the system has been so configured, from a  
PC on your network.  
b. For direct connections verify that the MGMT LNK LED on the MUM faceplate is  
illuminated, indicating the connection has been established.  
c. Launch a web browser such as Microsoft Internet Explorer (v4.0 or higher) or  
Netscape Navigator (v4.0 or higher).  
d. Enter the assigned IP address* into the address field at the top of your browser  
window. Press the Enter key.  
e. Log in with your assigned username and password.* Please note that General Users  
have "read only" access; for NMS configuration you must log in as a Superuser.  
*If the IP address, username or password is unknown, contact your System Administrator  
or Information Technology Manager.  
Default Settings  
No configuration is necessary for the EAM2000-12 to operate at default settings. If however, a  
change is required, default settings can easily be modified within NMS. For information  
regarding specific parameter configurations, refer to the EAM2000-12 Circuit Configuration  
section on the following page and/or the Management User Guide for IP and Mini DSLAMs.  
Management Password Administration Defaults*  
General Username: general  
Super Username: superuser  
General Password: Password Super Password: Password  
*Usernames and passwords are case sensitive.  
 
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Management System Configuration Defaults  
IP Addresses:  
Subnet Mask:  
255.255.255.0  
0.0.0.0  
IPD12000 slot 13 192.168.254.252 Default Gateway:  
IPD12000 slot 14 192.168.254.253 In-band Management: disabled  
IPD4000 slot 5  
192.168.254.252 Uplink VLAN ID:  
0
EAM2000-12 Circuit Defaults  
Circ. ID:  
n/a  
Pri [Priority]: 0  
IP Range 1:  
IP Range 2:  
Speed:  
0.0.0.0 - 255.255.255.255 Flood:  
Upl [Uplink]  
Frame Type: CRC [Cyclic Redundancy Check]  
Line Code: HDB3 [High Density Binary 3]  
Clock Source: Local  
0.0.0.0 - 0.0.0.0  
1,984 kbps  
ALL  
Protocol:  
Backbone-VLAN: 0  
VLAN:  
0 - 0  
Data Storage  
Configuration backup is inherent in the EAM2000-12. Upon initial power up of the IP DSLAM,  
the default parameters of the EAM2000-12 will remain in place unless changed through NMS.  
Once changed, new configurations will automatically be recorded in the Random Access  
Memory (RAM) of the EAM2000-12 and the Non-Volatile Random Access Memory (NVRAM) of  
the MUM. While data stored in EAM2000-12 RAM will be erased if the unit loses power, data  
stored within MUM NVRAM will remain intact (even if the unit loses power) unless deliberately  
cleared or reconfigured.  
EAM2000-12 CIRCUIT CONFIGURATION  
Circuit configurations common to all Access Module models are defined in the Management User  
Guide for IP and Mini DSLAMs. Circuit configurations specific to E1 technology are outlined below.  
Default settings for any of these may be altered via the Circuit Configuration window of Net to Net's  
Network Management System (NMS).  
Speed  
There are eight timeslot/bandwidth options for the E1 link; default is 1,984 kbps across all 31  
channels. Remote E1 modems determine line speed through their communication with the  
EAM2000-12.  
EAM2000-12 Timeslot & Bandwidth Options  
Timeslots  
1-4 1-8 1-12 1-16 1-20 1-24 1-28 1-31  
Bandwidth (kbps) 256 512 768 1,024 1,280 1,536 1,792 1,984  
 
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Although all 31 channels continually run at 1,984 kbps, the Timeslot configuration for each port determines  
how many of the channels will be receiving data for that port. Ports configured to operate as fractional E1  
lines require contiguous timeslots, as indicated in the table above.  
NOTE  
Frame Type  
Frame type is the E1 data encapsulation method. A frame consists of 248 bits (8-bit samples of  
each of the 31 E1 channels plus a synchronization bit) transmitted at a rate of 8,000 frames per  
second (1,984 kbps) across the E1 line.  
Cyclic Redundancy Check (Default)  
The Cyclic Redundancy Check (CRC) detects line errors and scrutinizes data integrity  
across the E1 line by appending a CRC character to the end of the data block. The  
character is a hexadecimal value calculated from the contents of each data block. The  
remote modem makes a similar calculation upon receipt of each data block and requests  
retransmission if there is a difference. CRC may be disabled on the EAM200-12 through  
Net to Net's Network Management System (NMS). For further instruction, refer to the  
Management User Guide for IP and Mini DSLAMs.  
Line Code  
Line code is the E1 mode of transmission. The following line code options fall within the  
International Telecommunication Union - Telecommunication Standardization Sector (ITU-T)  
G.703 Standards for Transmission Facilities.  
High Density Binary 3 (Default)  
High Density Binary 3 (HDB3) is used to accommodate the minimum ones density  
requirement in the European public network. HDB3 line coding helps prevent loss of  
synchronization between the EAM2000-12 and remote E1 modems by using bipolar  
violations to guarantee there will always be pulses in the line.  
Alternate Mark Inversion  
The Alternate Mark Inversion (AMI) mode of transmission simply alternates positive and  
negative pulses. It is typical, with AMI, for a link to encounter long strings of zeros, which  
can potentially cause loss of synchronization between remote units. Net to Net  
Technologies' products however, meet the European minimum ones density requirement  
internally such that, even with AMI, loss of synchronization is prevented between the  
EAM2000-12 and remote E1 modems as it is with HDB3 line coding.  
Timing  
Local (Default)  
The transmit clock source will originate from an oscillator onboard the EAM2000-12.  
Loop  
The transmit clock source will originate from the remote E1 modem.  
 
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ADDITIONAL INFORMATION  
LED Indicators  
LED  
State  
Indication  
Additional Information  
PWR (Power)  
solid green unit is operational  
If the Power LED is not illuminated, it is  
unlikely the EAM2000-12 is receiving  
power and none of the LEDs will be  
illuminated.  
E1 LK (Link)  
solid green E1 connection is established  
An E1 link exists and the port may be  
transmitting data but it is not receiving  
any packets from the remote E1 modem.  
pulsing  
green  
E1 connection is established and active The port is receiving valid data or status  
packets from the remote E1 modem.  
no  
Loss of Synchronization (LOS)  
If the outgoing connection from the port  
has also been lost then the remote E1  
modem will have LOS as well.  
illumination The incoming connection to the port  
has been lost; no data is being  
received.  
E1 RX  
(Receiving)  
flashing  
amber  
E1 activity  
The port is either receiving data from the  
remote E1 modem or statistical packets  
from the IP DSLAM management.  
solid amber heavy Rx traffic  
The port is receiving large amounts of  
data from the remote E1 modem.  
no  
no activity  
A link may exist but the port is not  
receiving any data from the remote E1  
modem.  
illumination  
E1 TX  
(Transmitting)  
flashing  
amber  
E1 activity  
The port is transmitting data to the  
remote E1 modem.  
solid amber heavy Tx traffic  
The port is transmitting large amounts of  
data to the remote E1 modem.  
no  
no activity  
A link may exist but the port is not  
transmitting any data to the remote E1  
modem.  
illumination  
E1 AL (Alarm)  
no  
E1 is operational  
Note: If the E1 LK LED also remains unlit  
then the port has LOS.  
illumination  
solid amber Remote Alarm Indication (RAI)  
The outgoing connection from the port  
has been lost; no data is being  
transmitted.  
The remote E1 modem has lost its  
incoming connection and has LOS.  
pulsing  
amber  
Alarm Indication Signal (AIS)  
An indirect connection has been lost;  
the port may no longer be receiving  
data from the remote E1 modem.  
The remote E1 modem has lost a  
connection with an intermediate device  
and LOS or RAI.  
(A pulsing LED blinks steadily at a rate of once per second. A flashing LED blinks at a more  
rapid, less constant rate.)  
 
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Regulatory Compliance  
European Regulatory Compliance Information for Class A Equipment  
This Class A product complies with European Norm EN55022.  
Warning: In a domestic environment this product may cause radio interference in which  
case the user may be required to take adequate measures to correct the situation.  
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© Copyright 2001 Net to Net Technologies, Inc.  
™ The Net to Net Logo is a trademark of Net to Net Technologies, Inc.  
Worldwide Headquarters  
Net to Net Technologies  
112 Corporate Drive, Suite 1  
Portsmouth, NH 03801  
USA  
EMEA Headquarters  
Net to Net Technologies  
Victoria House 19 Park Way  
Newbury Berkshire RG14 1EE  
UK  
+1 877-638-2638  
+44 (0) 1635 570950  
 
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