Paradyne 7986 Bedienungsanleitung
TM
1
7986-A2-GZ40-00 March 1999
Hotwire7986 M/HDSL Standalone Termination Unit
with G.703 Interface
Installation Instructions
Document Number 7986-A2-GZ40-00
March 1999
Product Documentation on the World Wide Web
We provide complete product documentation online. This lets you search the
documentation for specific topics and print only what you need, reducing the
waste of surplus printing. It also helps us maintain competitive prices for our
products.
Complete documentation for this product is available at www.paradyne.com.
Select
Library
→
Technical Manuals
→
Hotwire DSL & MVL Systems.
Select the following document:
7986-A2-GB20
Hotwire 7986 M/HDSL Standalone Termination Unit, with G.703 Interface,
User’s Guide
To request a paper copy of a Paradyne document:
Within the U.S.A., call 1-800-PARADYNE (1-800-727-2396)
Outside the U.S.A., call 1-727-530-8623
Installation Overview
Installation and configuration of the Hotwire7986 Standalone Termination Unit
consists of:
Connecting power to the unit.
Connecting to the network.
Connecting to a DTE.
Connecting a system terminal.
Providing initial unit identity information or changing existing identity
information.
Configuring your unit using internal switchpacks or using the Configuration
Edit menus.
Before you install the Hotwire 7986 Standalone Termination Unit, read the
Important Safety Instructions
on page 20.
Be sure to register your warranty at www.paradyne.com. Select
Service &
Support
→
Warranty Registration.
2 7986-A2-GZ40-00
March 1999
Connecting Power to the Unit
If your package includes a power pack:
Plug the power pack into an ac outlet
having a nominal voltage rating between 100–240 Vac. Connect the output cable
of the power pack to the connector marked POWER on the rear panel.
If your package includes a direct-connection +24 Vdc power cable:
Connect the
unit to an external +24 Vdc SELV (Safety Extra Low Voltage) power source as
described in
Connecting the Unit to an Optional External +24 Vdc Power Source
.
If you will use a –48 Vdc power supply:
Connect the unit to an external –48 Vdc
SELV power source as described in the documentation shipped with the power
supply and power cable.
Connecting the Unit to an Optional External +24 Vdc Power Source
Using the dc power cable, the Hotwire 7986 Standalone Termination Unit is
capable of operating on a +24 Vdc SELV power supply.
Procedure
To use the dc power cable:
1. Connect the green wire to a suitable ground.
2. Connect the orange wire to the +24 Vdc source.
3. Connect the white wire to the return.
4. Cut the black, red, and blue wires off at the outer insulation.
5. Plug the power connector into the 7986 Standalone Termination Unit.
1
2
3
4
5
6
X
X
Ground
RTN
+24 Vdc
X
Black
Red
Green
White
Orange
Blue
99-14158-02
+24 Vdc Power Supply Pinouts
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7986-A2-GZ40-00 March 1999
Connecting to the Network
Procedure
To connect your unit to the network:
1. Connect one end of the supplied network cable into the rear panel DSL jack.
2. Connect the other end to your DSL network interface.
NOTE:
Do
not
use a flat VF network cable as this may severely degrade the
performance of the termination unit. Use only Cat 5 twisted-pair network
cable.
A crossover cable (Pins 1 and 2 to 4 and 5) is required to connect two
7986 Standalone Termination Units back-to-back.
Connecting to a DTE
The E1 network interface is either two BNC connectors (Transmit and Receive)
for a 75-ohm unbalanced interface, or an RJ48C, 8-position, unkeyed modular
connector for a 120-ohm balanced interface. See
Cables and Pin Assignments
in
the User’s Guide for specifications of the 120-ohm connector and cable.
Connecting to a System Terminal
An optional system maintenance terminal may be attached to your Hotwire 7986
Standalone Termination Unit through the modular jack on the rear panel. The
system maintenance terminal allows you to view the status of the unit, and
change configuration options. The terminal must be a VT100-compatible terminal
or a PC running terminal emulation software.
Procedure
To connect your unit to a system terminal:
1. Connect the 9-pin end of the terminal cable into a COM port on your PC.
2. Plug the other end into the modular jack on the rear panel.
3. Set the communication parameters on your PC or terminal to:
— 9600 baud
— 8 bit characters
— no parity
— 1 stop bit
— no flow control
Press Enter from your terminal or PC to activate the Main Menu for the attached
unit. The system runs diagnostics and status checks. After a few moments, the
Main Menu or Logon screen appears on your terminal.
4 7986-A2-GZ40-00
March 1999
Entering Identity Information
After accessing your unit for the first time, use the Change Identity screen to
determine SNMP administrative system information that will be displayed on the
Identity screen of the Status branch. To access the Identity screen, follow this
menu selection sequence:
Main Menu
→
Control
→
Change Identity
Network Configuration
The following illustration shows a network application using a 2-port Hotwire 8786
or 8784 M/HDSL Termination Unit for access concentration in a central office
(CO). A frame relay switch and a router are connected, through the termination
unit, to partner units supporting a host or router, and frame relay encapsulated or
unframed data.
Frame
Relay
Switch
Router
E1 Host
(Frame Relay
Encapsulated
Data)
98-16151
Router
(Frame Relay
Encapsulated
Data)
G.703
Router 2.048 Mb
over
SDSL
8786 or 8784
Termination Unit
in 8600 DSLAM
CO Site 7986
7986
7985
Customer
Premises (CP)
7985
Customer
Premises
NTU
CO Site
LTU
7986 (G.703)
V.35
EIA-530A
V.35
G.703
7986
7986 (G.703)
G.703
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7986-A2-GZ40-00 March 1999
In a DSLAM-to-standalone configuration:
The devices synchronize without altering factory defaults, since the CO unit
defaults to LTU mode, and the CP unit defaults to NTU mode.
In a standalone-to-standalone configuration:
One unit must be changed to run in LTU mode, since standalone units have
a factory default setting of NTU mode.
In both cases the clocking source may have to be altered depending on network
requirements.
Choosing a Configuration Mode
You can make configuration changes either through a VT100-compatible terminal
and the unit’s Configuration menus or by manually changing switches on the
board. The unit comes configured to allow settings to be made through the
Configuration menus.
Configuring the Unit Using the Configuration Menus
Use the Configuration menu to select, display, or change configuration option
settings.
NOTE:
The 7986 Standalone Termination Unit is preconfigured as an NTU. If you
are using this unit as an NTU, the configuration options may not need to be
changed.
The 7986 Standalone Termination Unit has two sets of configuration option
settings:
The Current Configuration (the 7986 Standalone Termination Unit’s active set
of configuration options)
The Default Factory Configuration (a read-only configuration area containing
the factory default configuration options)
To display configuration options, you must first load a configuration into the edit
area. To load a configuration option set into the configuration edit area, follow this
menu selection sequence:
Main Menu
→
Configuration (Load Configuration From)
Make a selection by placing the cursor at your choice and pressing Enter.
If you select . . . Then . . .
Current
Configuration The selected configuration option set is loaded and the
Configuration Edit/Display menu screen appears.
Default Factory
Configuration The selected configuration option set is loaded and the
Configuration Edit/Display menu screen appears.
Configuration
Loader The Configuration Loader screen is displayed allowing you to
upload or download configurations from a TFTP server.
6 7986-A2-GZ40-00
March 1999
Configuration Edit/Display
The Configuration Edit/Display screen is displayed when the current, customer,
or default configuration is loaded. To access the Configuration Edit/Display
screen, follow this menu selection sequence:
Main Menu
→
Configuration
→
Current Configuration
–
or –
Main Menu
→
Configuration
→
Default Factory Configuration
Î
ÎÎ
main/config/edit Hotwire
Model: 7986
CONFIGURATION EDIT/DISPLAY
Network
G.703
System Options
Communication Port
Management and Communication
–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Ctrl-a to access these functions, ESC for previous menu MainMenu Exit
Save
Select . . . To Access the . . . To Configure the . . .
Network Network Interface Options, Table 1 DSL network interfaces on
the unit.
G.703 G.703 Interface Options, Table 2 G.703 interface.
System Options System Options, Table 3 General system options of
the unit.
Communication
Port Communication Port Options, Table 4 Unit’s COM port options.
Management
and
Communication
Telnet Session Options, Table 5
Communication Protocol Options,
Table 6
General SNMP Management
Options, Table 7
SNMP NMS Security Options,
Table 8
SNMP Traps Options, Table 9
Management support of the
unit through SNMP and
Telnet.
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7986-A2-GZ40-00 March 1999
Table 1. Network Interface Options
Margin Threshold
Possible Settings: –5db, –4db, –3db, –2db, –1db, 0db, 1db,2db,3db,4db,5db,6db,
7db,8db,9db,10db
Default Setting: 0db
Determines the level, expressed in decibels, at which a signal-to-noise margin alarm
condition is reported.
Excessive Error Rate Threshold
Possible Settings: 1E–4,1E–5,1E–6,1E–7,1E–8,1E–9
Default Setting: 1E–6
Determines the error rate at which an excessive error rate (EER) condition is
recognized. The rate is the ratio of the number of CRC errors to the number of bits
received in a certain period.
AutoRate
Possible Settings: Enable, Disable
Default Setting: Disable
Determines whether the unit automatically adjusts to the best line rate for conditions, or
is fixed at the rate in the DSL Line Rate field.
AutoRate is only available when the unit is configured as an LTU.
DSL Line Rate
Possible Settings: 400, 528, 784, 1040, 1552, 2064
Default Setting: 2064
Determines the fixed line rate of the LTU, in kbps.
DSL Line Rate is only available when the unit is configured as an LTU, and
AutoRate is set to Disable.
Peer IP Address (LTU Only)
Possible Settings: 000.000.000.001 – 223.255.255.255, Clear
Default Setting: 000.000.000.000
Specifies the peer IP address for the NTU, to provide remote management providing the
remote management link on the DSL loop.
Peer IP Address is only available when the standalone unit is configured as an
LTU.
Circuit Identifier
Possible Settings: [ASCII Text], Clear
Default Setting: [blank]
Uniquely identifies the circuit number of the transmission vendor’s DSL line for
troubleshooting purposes.
8 7986-A2-GZ40-00
March 1999
Table 2. G.703 Interface Options
Port Status
Possible Settings: Enable, Disable
Default Setting: Enable
Determines whether the port can be configured and used.
Framing
Possible Settings: Framed, Unframed
Default Setting: Framed
Determines whether G.704 framing is used for the G.703 interface.
Line Coding Format
Possible Settings: AMI, HDB3
Default Setting: HDB3
Specifies the line coding format to be used by the G.703 interface.
Line Framing
Possible Settings: CRC4, noCRC4
Default Setting: noCRC4
Specifies the framing format to be used by the G.703 interface.
Time Slot 16
Possible Settings: Signaling, Data
Default Setting: Signaling
Specifies whether the G.703 interface is used for voice or data.
Send AIS on Network Failure
Possible Settings: Enable, Disable
Default Setting: Enable
Specifies the action taken on the signal transmitted to the G.703 when a valid signal
cannot be recovered from the network interface (LOS or cognitions OOF, AIS, or EER).
Primary Clock Source
Possible Settings: G.703, Internal
Default Setting: Internal
Specifies where the unit will derive its timing from.
Secondary Clock Source
Possible Settings: G.703, Internal
Default Setting: Internal
Specifies where the unit will derive its timing from if the primary clock fails.
9
7986-A2-GZ40-00 March 1999
Table 3. System Options
DSL Mode
Possible Settings: LTU, NTU
Default Setting: NTU
Controls whether the unit is configured as a control unit or tributary unit.
NOTE: Changing this option will reset the unit.
Test Timeout
Possible Settings: Enable,Disable
Default Setting: Enable
Allows tests to end automatically. The feature should be enabled when the unit is
remotely managed, so that control can be regained after a test is accidentally executed.
Test Duration (min)
Possible Settings: 1–120
Default Setting: 10
Number of minutes for a test to be active before automatically ending.
G.703 Line Termination
Possible Settings: 120 Ohm, 75 Ohm
Default Setting: 120 Ohm
Determines whether the line impedance is set for 75 Ohm or 120 Ohm.
Table 4. Communication Port Options (1 of 2)
Port Use
Possible Settings: Terminal, Net Link
Default Setting: Terminal
Specifies how the communications port is to be used.
Port Type
Possible Settings: Asynchronous, Synchronous
Default Setting: Asynchronous
When Port Use is set to Net Link, Port Type controls whether the communication port
will be asynchronous or synchronous.
Data Rate
Possible Settings: 9.6, 14.4, 19.2, 28.8, 38.4
Default Setting: 9.6
Specifies the communication port baud rate.
Character Length (Terminal Use Only)
Possible Settings: 7, 8
Default Setting: 8
Determines the character length of the communication port.
10 7986-A2-GZ40-00
March 1999
Table 4. Communication Port Options (2 of 2)
Parity (Terminal Use Only)
Possible Settings: None, Odd, Even
Default Setting: None
Specifies the parity of the communication port.
Stop Bits (Terminal Use Only)
Possible Settings: 1, 1.5, 2
Default Setting: 1
Specifies the number of stop bits for the communication port.
Ignore Control Leads (Terminal Use Only)
Possible Settings: Disable, DTR
Default Setting: Disable
Specifies whether DTR is used.
Login Required (Terminal Use Only)
Possible Settings: Enable, Disable
Default Setting: Disable
Specifies if an ID and password are required to access the asynchronous terminal
interface on the communication port. Login IDs are created with a password and access
level.
Port Access Level (Terminal Use Only)
Possible Settings: Administrator, Operator
Default Setting: Administrator
Specifies the highest level of access allowed when accessing an ATI session through a
Telnet session.
Inactivity Timeout (Terminal Use Only)
Possible Settings: Enable, Disable
Default Setting: Disable
Provides automatic logoff of a Telnet session.
Disconnect Time (Minutes) (Terminal Use Only)
Possible Settings: 1 – 60
Default Setting: 5
Number of minutes of inactivity before the session terminates automatically. Timeout is
based on no keyboard activity.
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