S-Access SA-4W-REPEATER User manual

SA-4W-REPEATER User Manual
SA-4W-REPEATER
SA-PAM-RG2N-IP-x xDSL TRANSMISSION SYSTEMS
USER MANUAL
Version 1.0
Revision 11 February 2005
Document name UM_SA-4W-Repeater_v1-0.doc

SA-4W-REPEATER User Manual
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© Copyright © 2005 by S-Access GmbH. The contents of this publication may not be
reproduced in any part or as a whole, transcribed, stored in a retrieval system, translated into
any language, or transmitted in any form or by any means, electronic, mechanical, magnetic,
optical, chemical, photocopying, manual, or otherwise, without the prior written permission of S-
Access GmbH. Published S-Access GmbH. All rights reserved.

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VERSION CONTROL .................................................................................................................. 5
1SELECTION GUIDE ............................................................................................................. 5
2UNIT DESCRIPTION............................................................................................................ 6
2.1 ASSEMBLED DEVICE ........................................................................................................ 6
2.2 CONNECTOR MAINBOARD ................................................................................................ 6
2.2.1 Jumper X8 Detail...................................................................................................... 6
2.3 CONNECTOR UPPERBOARD.............................................................................................. 7
2.4 JUMPER DESCRIPTION ..................................................................................................... 8
2.4.1 Jumper settings for 2-Wire Repeater (Only PCB 1).................................................. 8
2.4.2 Jumper settings for 4-Wire Repeater........................................................................ 8
3CONFIGURATION / ACCESS.............................................................................................. 9
3.1 REPEATER XDSL INTERFACES ......................................................................................... 9
3.1.1 N-side / C-side xDSL interface operating modes...................................................... 9
4LED INDICATORS................................................................................................................ 9
5TEST LOOPS ..................................................................................................................... 10
5.1 STANDARD TEST LOOP .................................................................................................. 10
6PERFORMANCE MONITORING........................................................................................ 10
7POWER............................................................................................................................... 10
7.1 POWER INPUTS.............................................................................................................. 10
7.2 WETTING CURRENT........................................................................................................ 10
8MONITOR........................................................................................................................... 11
8.1 GENERAL ...................................................................................................................... 11
8.2 STRUCTURE &ORGANIZATION ....................................................................................... 11
8.3 REPEATER COMMAND TREE............................................................................................ 12
8.3.1 Main Menu.............................................................................................................. 12
8.3.2 Common Commands.............................................................................................. 13
8.3.2.1 HELP Command ............................................................................................. 13
8.3.2.2 MAIN Command ............................................................................................. 13
8.3.2.3 DISCONNECT Command............................................................................... 13
8.3.3 Performance management PM............................................................................... 13
8.3.3.1 G826 Command.............................................................................................. 14
8.3.3.2 RESETG826 Command.................................................................................. 15
8.3.4 Fault and maintenance management FMM............................................................ 15
8.3.4.1 NM Command................................................................................................. 15
8.3.4.2 STATUS Command ........................................................................................ 16
8.3.4.3 ALARM Command .......................................................................................... 16
8.3.4.4 RESET Command .......................................................................................... 17
8.3.5 Configuration management CM.............................................................................. 17

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8.3.5.1 General note ................................................................................................... 17
8.3.5.2 CONFIG Command ........................................................................................ 17
8.3.5.3 MODE Command............................................................................................ 17
8.3.5.4 ANNEX Command .......................................................................................... 17
8.3.5.5 ID Command................................................................................................... 17
8.3.5.6 BASERATE Command ................................................................................... 18
8.3.5.7 ADAPTIVE Command..................................................................................... 18
8.3.5.8 DEFAULT Command ...................................................................................... 18
9SOFTWARE UPDATE........................................................................................................ 19
9.1 GENERAL ...................................................................................................................... 19
9.2 SOFTWARE DOWNLOAD.................................................................................................. 19
10 CONNECTOR DESCRIPTION........................................................................................ 23
10.1 4WIRE XDSL CONNECTOR MAINBOARD (SLAVE/CPE)............................................... 23
10.2 4WIRE XDSL CONNECTOR UPPERBOARD (MASTER/COE)......................................... 23
10.3 2WIRE XDSL CONNECTOR ONLY MAINBOARD IS REQUIRED ....................................... 23
10.4 MONITOR INTERFACE................................................................................................ 24
10.5 POWER INTERFACE................................................................................................... 24
11 TECHNICAL SPECIFICATION....................................................................................... 25
11.1 INTERFACES ............................................................................................................. 25
11.1.1 xDSL Line Interface............................................................................................ 25
11.1.2 Monitor Interface................................................................................................. 25
11.2 POWER SUPPLY ....................................................................................................... 25
11.3 ENVIRONMENTAL ...................................................................................................... 25
11.3.1 Climatic Conditions............................................................................................. 25
11.3.2 Safety / EMC....................................................................................................... 25
11.4 PHYSICAL DIMENSIONS AND WEIGHT......................................................................... 25
12 APPENDICES................................................................................................................. 26
12.1 STANDARDS ............................................................................................................. 26
FIGURES
Figure 8-1: Repeater Monitor Command Set Tree..................................................................... 12

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VERSION CONTROL
User Manual
Version
Date Version
of Firmware
Major changes to previous version
1.0 2.02.2005 1.0.0.0 Start Version
Warnings
IN INCORRECT USE OF THIS DEVICE, USE IN ANY OTHER ENVIRONMENT AND/OR
CHASSIS/HOUSING THAN PROVIDED BY S-ACCESS MIGHT LEAD TO HARMFUL CONDITIONS.
FAILURE TO FOLLOW THESE PRECAUTIONS MAY RESULT IN DEATH, SEVERE INJURY OR
PROPERTY DAMAGE.
S-ACCESS GMBH REFUSES TO TAKE ANY RESPONSIBILITY; FURTHERMORE, NO WARRANTY IS
GRANTED IN SUCH CASE!
Please read this manual carefully before operating the system.
Installation of this equipment has to be done by qualified personnel only.
1 SELECTION GUIDE
Model
Type
2 wire 4 wire
Add Drop
Cross Connect
ATM
Power Passthrough
Remotely powerable
Power source
SA-PAM-RG2N-IP-E,V2 IP4
SA-PAM-RG2N-IP-P,V2 IP4

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2 UNIT DESCRIPTION
The unit was designed to be used as dual or four wire repeater. It’s delivered in a IP67 housing.
2.1 Assembled Device
2.2 Connector Mainboard
FE LED
NE LED
Monitor 1
Connector
DSL NE
Connector
Power
Connector
2.2.1 Jumper X8 Detail
If the jumper X8 is used, it has to be setup
the following way:

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2.3 Connector Upperboard
Monitor 2
Connector
DSL FE
Connector

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2.4 Jumper Description
Nbr Function
X6: Serial Interface
X9: Power
J6: DSP Signals
J2: Wetting Current Channel A (to N-Side)
J3: Wetting Current Channel B (to C-Side)
X8: Passthrough 2-Wire Remote Power
X10: Only Holder for Jumper, No Signals
X1: Passthrough 4-Wire Remote Power
X11: Only Holder for Interconnect, No Signals
X12: Interconnection Remote Power to Local Power
X3: Interconnection Remote Power to Local Power
2.4.1 Jumper settings for 2-Wire Repeater (Only PCB 1)
Nbr Required Settings
X6: Open
X9: Open
J6: Close 6 jumpers, interconnect DSP signals
J2: Close for Wetting Current Channel A On Open for Wetting Current Channel A Off
J3: Close for Wetting Current Channel B On Open for Wetting Current Channel B On
X8: Close for Pass-through 2-Wire Remote Power Open for not Pass-through 2-Wire Remote
Power
X10: Only Holder for Jumper, No Signals
X1: Open
X11: Open
X12: Open
X3: Open
2.4.2 Jumper settings for 4-Wire Repeater
Nbr Required Settings
X6: Interconnect PCB1 to PCB 2
X9: Interconnect PCB1 to PCB 2
J6: Interconnect PCB1 to PCB 2
J2: Close for Wetting Current Channel A On (PCB1/2) Open for Wetting Current Channel A Off (PCB1/2)
J3: Close for Wetting Current Channel B On (PCB1/2) Open for Wetting Current Channel B On (PCB1/2)
X8: Open
X10: Open
X1: Interconnect Passthrough 4-Wire Remote Power No Passthrough 4-Wire Remote Power
X11: Only Holder for Interconnect, No Signals
X12: Interconnect PCB1 to PCB 2
X3: Interconnect PCB1 to PCB 2

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3 CONFIGURATION / ACCESS
This chapter describes the different configuration access possibilities. The settings for the
Repeater are configurable via the V.24 monitor interface or via the EOC Service Channel with the
CONNECT xx command.
The following chapters refer to the xDSL configuration and doe’s not impact the E1 and Nx64
behavior.
3.1 Repeater xDSL interfaces
The xDSL Repeater has two xDSL interfaces: Network (N-side) xDSL interface (operates in slave
mode) and Customer (C-side) xDSL interface (operates in master mode). N-side interface operates
toward CO side while C-side transceiver works toward CP side. Are there one or more repeaters in
the xDSL link, there C-side and N-side interfaces must be connected by appreciated method.
Otherwise start-up might occur only for several segments of the link.
3.1.1 N-side / C-side xDSL interface operating modes
N-side xDSL interface operates in rate adaptation mode or in fixerate mode. The C-side takes over
the mode from the N-side
4 LED INDICATORS
Repeaters have two LED for power representation, link status- and test loop indication. The
following table shows the possible LED states.
Status Local (NE) LED Remote (FE) LED
Power failure off off
DSL training N-side xDSL red blinking don’t care
DSL training C-side xDSL don’t care red blinking
LOOP2 initialized green blinking don’t care
Normal operation of N-side xDSL green don’t care
Normal operation of C-side xDSL don’t care green

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5 TEST LOOPS
5.1 Standard Test Loop
The test loop can be activated via the EOC service Channel interface.
Loop2
Repeater SlaveMaster
TX
RX
C-Side channelN-Side channel
On the 4 wire repeater its only possible to activate the LOOP2 from the master over the EOC
channel. You will find the LOOP2 command in the maintenance menu of the LTU.
6 PERFORMANCE MONITORING
The monitoring of the xDSL signal is typically used during the installation and maintenance. Its
possible to monitor the xDSL link in two different ways.
The G.826 error parameters are designed to observe xDSL links over longer time periods.
The NM is used to determine the residual S/N value before the DSL link becomes critical.
Please refer to the “NM” and “G826” monitor commands described in the “S-Access Monitor”
section.
7 POWER
7.1 Power inputs
The unit can be feeded over the following inputs:
•Molex connector
•DSL line (remotely feeded from the LTU)
7.2 Wetting current
The unit is able to handle the wetting current feature. Please use the jumper description table for
the desired settings.

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8 MONITOR
8.1 General
The module can be connected to a terminal or a PC (with terminal emulation) in order to monitor
relevant events and to display additional information such as the signal quality of the xDSL link or
the G.826 error performance parameters. In addition, full system configuration and fault
localization can be done over the monitor interface
The terminal for monitoring should be VT100 compatible and configured as follows:
•9600 baud, asynchronous
•8 bits, no parity, one stop bit
•no new line on carriage return (i.e. no line feed on carriage return)
•flow control none
8.2 Structure & Organization
The structure and organization of the S-Access monitor is adapted to ITU-T Recommendation
M.3400 for TMNs with its five sub-sets.
Sub-set Short-form
Performance management PM
Fault and maintenance management FMM
Configuration management CM
Accounting management AM
Security management SM
A S-Access does neither support Accounting management nor Security management. AM and SM
are not in the monitor's main menu.
At any time, the <H> (“Help”) command shows and explains the available commands and their
parameters.
For details or a more precise explanation of a command type: H ´command´
The prompt on the screen consists of:
•a repeater indication (RR_)
•the repeater address indication
•the short form of the specified sub-set menu.
“RR_04_FMM>”.
Note: Repeater address is calculated as repeater position (starting from CO side) in the xDSL
chain plus 2. Thus the repeater nearest to CO side has address 03, second one – 04, etc.

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8.3 Repeater command tree
The repeater command set tree is shown below:
Main Menu
Performance Fault and Maintenance Configuration
G826 NM CONFIG
G826 C STATUS MODE
RESETG826 ALARM ANNEX
ALARM T BASERATE
RESET ADAPTIVE
DEFAULT
ID
Figure 8-1: Repeater Monitor Command Set Tree
8.3.1 Main Menu
SDSL Dual Pair Repeater
HW Rev. D1
SW Rev. 1.0.0.0
FW Rev. 1.10.3
Copyright (C) 2004 by S-Access GmbH
------------- Main Menu -----------------
1. Performance management (PM)
2. Fault and maintenance management (FMM)
3. Configuration management (CM)
5. Exit
-----------------------------------------
RR_00_MM>Select [1..5]:
To select the sub-menus type 1 to 5.
Note: Each command must be terminated by a carriage return.

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8.3.2 Common Commands
Common commands are available in every sub menu.
8.3.2.1 HELP Command
By typing the letter "H" followed by [ENTER], all available commands of the actual sub menu are
displayed.
8.3.2.2 MAIN Command
By typing the letter "M" followed by [ENTER], you return to the Main Menu Screen.
8.3.2.3 DISCONNECT Command
This command will be only displayed if the unit is accessed from the LTU with the remote terminal
functionality.
With the disconnect command you will leave the remote terminal mode and return to the LTU
terminal mode.
8.3.3 Performance management PM
Performance management activated
Enter <M> to return to MAIN, or <H> for HELP information
Type <H> and the monitor lists all available commands in the performance sub-menu.

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8.3.3.1 G826 Command
The G826 command displays the ITU-T G.826 error performance on xDSL line side:
----------------------------------------------------------------------
Master Side
G.826 Error Performance : CRC6-A FEBE-A CRC6-B FEBE-B
----------------------------------------------------------------------
Errored blocks : 00000000 00000000 00000000 00000000
Errored seconds : 00000000 00000000 00000000 00000000
Severely errored seconds : 00000000 00000000 00000000 00000000
Background block errors : 00000000 00000000 00000000 00000000
Available time : 00000000 00000000 00000000 00000000
Unavailable time : 00000382 00000382 00000382 00000382
----------------------------------------------------------------------
Slave Side
G.826 Error Performance : CRC6-A FEBE-A CRC6-B FEBE-B
----------------------------------------------------------------------
Errored blocks : 00000000 00000000 00000000 00000000
Errored seconds : 00000000 00000000 00000000 00000000
Severely errored seconds : 00000000 00000000 00000000 00000000
Background block errors : 00000000 00000000 00000000 00000000
Available time : 00000000 00000000 00000000 00000000
Unavailable time : 00058651 00058651 00058651 00058651
----------------------------------------------------------------------
RR_00_PM>
Option:
C Updates the G.826 parameters continuously
Definitions:
1. CRC6_x: Cyclic redundancy check indicating errored blocks received
on the local xDSL side.
2. FEBE_x: Far end block error indicating errored blocks received on the
remotexDSLside.
3. Errored blocks (EB): A block in witch one or more bits are in error.
4. Errored seconds (ES): A one second period with one or more errored blocks. SES
defined below is a subset of ES.
5. Severely errored second (SES): A one second period which contains >=30% errored blocks.
6. Background block error (BBE): An errored block not occurring as part of an SES.

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8.3.3.2 RESETG826 Command
The RESETG826 command sets the G.826 error performance parameters back to zero.
RR_00_PM>RESETG826
G.826 error performance parameter reset
RR_00_PM>
8.3.4 Fault and maintenance management FMM
Fault and maintenance management activated
Enter <M> to return to MAIN, or <H> for HELP information
Type <H>and the monitor lists all available commands in the fault and maintenance sub-menu.
8.3.4.1 NM Command
The NM command allows the user to switch on/off the signal quality of the DSL lines:
RR_00_FMM>NM
Noise margin trace on
xDSL NM: Mst-Side ChA: 10.9dB, ChB: 11.2dB Slv-Side ChA: 15.8dB, ChB: 15.4dB
Noise margin trace off
RR_00_FMM>

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8.3.4.2 STATUS Command
The STATUS command displays the actual system status:
----------------------------------------------------------------------
Local System Status: N-Side CH A CH B C-Side CH A CH B
----------------------------------------------------------------------
LOSD : 1 1 1 1
SEGA : 1 1 1 1
PS : 1 1 1 1
SEGD : 1 1 1 1
Tx power : 07.5 07.5 dBm 07.5 07.5 dBm
Rx gain : 13.4 13.7 dB 14.0 13.4 dB
Loop attn.: 00.0 00.0 dB 00.0 00.0 dB
NM : 26.2 27.0 dB 25.8 26.2 dB
Bitrate : 1024 1024 kBit/s 1024 1024 kBit/s
----------------------------------------------------------------------
RR_03_FMM>
Definitions:
LOSD: (Loss of Signal) Indicates the loss of signal from the application
interface. Loss of Signal = 0, Normal = 1.
SEGA: (Segment Anomaly) Indicates a CRC error on the incoming xDSL
frame. A segment anomaly indicates that a regenerator operating
on a segment has received corrupted data and therefore the
regenerated data is unreliable. CRC Error =0, Normal = 1.
PS: (Power Status)
SEGD: (Segment Defect)
Tx power: Local transmit power in dBm
Rx gain: Local receiver gain in dB
Loop attn.: Estimate of the loop attenuation in dB of the actual connection
NM: Noise margin
Bitrate: Bitrate of the actual connection
8.3.4.3 ALARM Command
The ALARM command displays the actual alarm status:
CO_01_FMM> ALARM
RR_03_FMM>
----------------------------------------------------------------------
Local Alarm Status: Mst-Side CH A CH B Slv-Side CH A CH B
----------------------------------------------------------------------
LOS/LFA-H: off off off off
SEGD : off off off off
BER-H : off off off off
LOOP2 : off
----------------------------------------------------------------------
RR_03_FMM>CO_01_FMM>
Options:
T Turns alarm trace on / off

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Definitions:
LOS/LFA-H: Loss of signal or frame alignment at xDSL loop
SEGD: Segment Defect indication
BER-H: xDSL block-error-rate according G.826 ≥30%
LOOP2: xDSL test loop 2 active
8.3.4.4 RESET Command
By typing RESET, the system unit will be restarted.
CO_01_FMM> RESET
system reset
8.3.5 Configuration management CM
Configuration management activated
Enter <M> to return to MAIN, or <H> for HELP information
Type <H> and the monitor lists all available commands in the configuration sub-menu.
8.3.5.1 General note
If the repeater works in 4 wire mode the commands ANNEX, BASERATE, RATEADAPTION
in some modes the user has to enter 2 parameters.
Example: Annex A,B
8.3.5.2 CONFIG Command
The CONFIG command displays the configuration of the unit.
8.3.5.3 MODE Command
This command sets the operation mode.
Parameters: S →Normal mode
D→Dual pair mode
8.3.5.4 ANNEX Command
This command sets the Annex to the desired mode.
Parameters: A →Annex A
B→Annex B
AUTO→Auto selection
8.3.5.5 ID Command
This command sets a unique identification string printed on the main screen.

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8.3.5.6 BASERATE Command
This command sets the base rate for xDSL interface. This value must be between 3 and 32 and
defines the available 64 kbit/s channels. To optimize the bandwidth of your connection, you have to
set the base rate value to the maximum where you get a stable connection.
Parameters: 3 →32
8.3.5.7 ADAPTIVE Command
Set rate adaption on / off.
Parameters: on
off
8.3.5.8 DEFAULT Command
The DEFAULT command sets a default configuration. Six default settings are available (three for
master, three for slave) in each of following modes: E1 only Normal or Dual Pair mode; Nx64 only
Normal or Dual Pair mode; fE1 &Nx64 Normal or Dual Pair mode and Multipoint Mode.

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9 SOFTWARE UPDATE
9.1 General
The software of the S-Access boards has the possibility for field updates. To do a field update, you
need only a Windows 95/98/NT computer, the Flash Loader program installed, a connection
between the Windows computer and the repeater Monitor connector and the newest release of the
S-Access software.
Note: The software has to be downloaded to the Main- and Upper board.
9.2 Software download
To update the software on your repeater you have to run through the following steps:
1. Switch off the power of your repeater.
2. Connect the repeater monitor connector with your Windows computer’s RS232 interface.
3. Start the Flash Loader software on your Windows computer
4. Choose Set Loader Communication in the menu Setting. Select the right communication port,
the communication information and press Ok.
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5. Choose Select Device in the Setting menu, select the device S-Access and press Ok.
6. Choose the newest software version and press Öffnen.
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