Digicom HDSL Manuale utente
http://www.digicom.it
User's Guide
rev. 1.0 05/2000
HDSL
HDSL
INDEX - DECLARATION CE OF CONFORMITY
I
INDEX
INTRODUCTION III
PREFACE III
1.GENERAL 1.1
1.1.DESCRIPTION 1.1
1.2.FRONT PANELVIEW 1.1
1.3.REAR PANELVIEW 1.2
1.3.1.LINE CONNECTOR PIN 1.2
1.3.2.G.703 120 OHM CONNECTOR PIN 1.2
2.INSTALLATION 2.1
2.1.CONFIGURATIONS DESCRIPTION 2.1
DECLARATION CE OF CONFORMITY
Digicom S.p.A. via Alessandro Volta 39 21010 Cardano al Campo -Varese-
declares that this product satisfies the basic requirements of
Electromagnetic Compatibility and Safety of the below indicated Directive:
l89/336/CEE of 3 may 1989 with subsequent modifications (Directive 92/31/CEE of april 28,
1992, Directive 93/68/CEE of July 22,1993 and Directive 93/97/CEE of 29 october 1993).
l73/23/CEE of february 19, 1973 with subsequent modifications (Directive 93/68 ECC of july
22, 1993).
HDSL
PREFACE
III
INTRODUCTION
Digicom’s HDSL modems uses the HDSL technology (High-bit-rate Digital Subscriber Line)
that allows very high transfer speeds (2 Mbps) over leased lines. It is possible to connect
Digicom’s HDSL modems either over 2 wires and 4 wires lines. The main requirement for a
HDSL Lines is the wire metal continuity.
PREFACE
The following installation rules should be respected in order to have the best working order of the equipment and
for the user's safety.
Rapid changes of temperature or humidity should be avoided (0,03
°
C/min).
This equipment, including cables, should be installed in an area free from:
l
Dust, humidity, heat from direct sun light.
l
Objects which irradiate heat. These could cause damage to the container or other problems.
l
Objects which produce a strong electtromagnetic field (loudspeakers, etc.)
l
Liquids or chemical corrosive substances.
To avoid electric shock, the equipment should never be opened. Ask qualified personnel help.
Disconnect the power cable from the wall outlet when the equipment is not to be used for a long period. To
disconnect the cable pull it by the plug, never pull it by the cable itself.
If there should be liquid or object penetration in the equipment, disconnect the power cable and call a qualified
personl for testing.
CLEANING THE TERMINAL
Use a clean and soft cloth. Wet the cloth with water or natural detergent if it is necessary to remove any stains.
Never use chemical products such as petrol or solvents.
VIBRATIONS OR DROPPING
Caution against vibrations and dropping.
WARNING
This is a class A product.
In a domestic environment this product may cause radio interference in which case the user may be required to
take adequate measures.
HDSL
GENERAL
1.1
1. GENERAL
1.1. DESCRIPTION
TX
RX
G.703/V35
MASTER
TX
RX
G.703/V35
SLAVE
HDSL line 2/4 wires
R
HIGH SPEED MODEM
K1
K2
/G703
T/SLV
P
LOC
M REM
PW
LIN
LIN
V35
MS
LOO
ALM
AL
HDSL
R
HIGH SPEED MODEM
K1
K2
/G703
T/SLV
P
LOC
M REM
PW
LIN
LIN
V35
MS
LOO
ALM
AL
HDSL
Picture 1
The connection is carried out using 2 HDSL devices: one placed in the main centre (Master)
and the other one in the remote place (Slave). The Master and Slave devices have different
configurations but are equal as for the electric or mechanic features.
All the digicom’s HDSL modems are supplied with the following factory configuration:
lMaster
lV.35 selected interface
lTwo wires connection
l256 Kbit/s line speed
lInternal clock
1.2. FRONT PANEL VIEW
R
HIGH SPEED MODEM
K1
K2
/G703
T/SLV
P
LOC
M REM
PW
LIN
LIN
V35
MS
LOO
ALM
AL
HDSL
Picture 2
Name Color Condition Function
PWR Green Off No power supply
LINK1 Red On Channel 1 Status: Connected with the remote one
Flashing Channel 1 Status: Searching
LINK2 Red On Channel 2 Status: Connected with the remote one
Flashing Channel 2 Status: Searching
Off Channel 2 Status: disabled
V35/G703 Red On V.35 interface selection
Off G.703 interface selection
MST/SLV Red On Device configured as Master
Off Device configured as Slave
LOOP Red On Local Loop enabled
Flashing Loop enabled on the remote device
ALM LOC Red On Problem with G.703 interface
Flashing Fault on the local device
ALM REM Red On Problem with the G.703 remote interface (managed
on Master device only)
Flashing Fault on the remote device
HDSL
GENERAL
1.2
1.3. REAR PANEL VIEW
TX RX
G703 75
Ω
120 / 75
Ω
G703 120
Ω
V.35
LINECONFIGPWR
Picture 3
Name Function
PWR Power supply
CONFIG 9pin female connector for device configuration
LINE HDSL line connector RJ11 4 contacts
G.703 120 ohm G.703 interface 120 ohm 9 pin female connector
120/75 ohm switch G.703 interface setup at 120 ohm or 75 ohm
G.703 75 ohm TX G.703 interface 75 ohm coaxial BNC (send)
G.703 75 ohm RX G.703 interface 75 ohm coaxial BNC (receive)
G.703 75 ohm switch Join the shield of coaxial connectors G.703 75 ohm
V.35 V.35 interface, 25 pin female connector
1.3.1. LINE CONNECTOR PIN
PIN Signal
3 and 4 HDSL Line 1
1 and 2 HDSL Line 2
1.3.2. G.703 120 OHM CONNECTOR PIN
PIN Signal
1 and 2 Receive
4 and 5 Send
n.c. n.c.
BA
BA
1B
2B
5B
6B
1A
2A
5A
6A
RED
BROWN
WHITE
BLUE
PIN2
PIN1
PIN3
PIN4
4 3 2 1
HDSL
INSTALLATION
1.1
2. INSTALLATION
lRemove the two HDSL modems from the package and check they are OK.
lUsing the “SetHDSL” program, configure one of the two modems as Slave.
lConnect the HDSL lines between the modems (RJ11 connector).
lPower on the modems that will connect using the factory configuration (default):
V.35 selected interface
two wires connection
256 Kbit/s line speed
lAt this point from the Master place and using the “SetHDSL” program, it is possible to
modify the system configuration to set the desired parameters.
2.1. CONFIGURATIONS DESCRIPTION
To configurate the Digicom’s HDSL modems it is necessary to use the Digicom “SetHDSL”
program.
The user can choose among seven base configurations (A-G) depending on the interface, the
wires of the line and the line speed.
Case Interface Flow Wires Interface/line speed
A G703 E1 4 Interface speed fixed at 2 Mbit/s
Speed for each couple of wires 1 Mbit/s
B G703 E1 2 Interface speed fixed at 2 Mbit/s
HDSL line speed 2 Mbit/s
C G703 Nx64 2 Interface speed Nx64 Kbit/s (from 64 to 2 Mbit/s)
HDSL line speed depending on set time slot
D G703 Nx64 4 Interface speed Nx64 Kbit/s (from 64 to 2 Mbit/s)
HDSL line speed depending on set time slot
E V.35 Nx64 4 Interface speed Nx64 Kbit/s (from 64 to 2 Mbit/s)
Speed for each couple of wires 1 Mbit/s
F V.35 Nx64 2 Interface speed Nx64 Kbit/s (from 64 to 2 Mbit/s)
HDSL line speed depending on set time slot
G V.35 Nx64 4 Interface speed Nx64 Kbit/s (from 64 to 2 Mbit/s)
HDSL line speed depending on set time slot
NOTE: “N” is the time slot number (i.e. if time slot is 4, Nx64=256 Kbit/s)
The base configuration (A-G) can be customized by setting the Framing type (G.703), the
interface (V.35), the speed (tile slot number), the clock, etc.
HDSL
INSTALLATION
1.2
NOTE: For further and complete information on the “SetHDSL”, please refer to the
program help on line.
HDSL
INSTALLATION
1.3
Interface speed “N” Line speed for each couple Line speed
[Kbit/s] Time Slot of wire (4 wires) (2 wires)
[Kbit/s] [Kbit/s]
64 1 272 272
128 2 272 272
192 3 272 272
256 4 272 272
320 5 272 336
384 6 272 400
448 7 272 464
512 8 272 528
576 9 336 592
640 10 336 656
704 11 400 720
768 12 400 784
832 13 464 848
896 14 464 912
960 15 528 976
1024 (1Mbps) 16 528 1040
1088 17 592 1104
1152 18 592 1168
1216 19 656 1232
1280 20 656 1296
1344 21 720 1360
1408 22 720 1424
1472 23 784 1488
1536 24 784 1552
1600 25 848 1616
1664 26 848 1680
1728 27 912 1744
1792 28 912 1808
1856 29 976 1872
1920 30 976 1936
1984 31 1040 2000
2048 (2Mbps) 32 1040 2064
21010 Cardano al Campo VA
via A. Volta 39
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