HDSL User's Guide rev. 1.0 05/2000 http://www.digicom.
INDEX - DECLARATION CE OF CONFORMITY HDSL INDEX INTRODUCTION PREFACE III III 1. GENERAL 1.1. DESCRIPTION 1.2. FRONT PANEL VIEW 1.3. REAR PANEL VIEW 1.3.1. LINE CONNECTOR PIN 1.3.2. G.703 120 OHM CONNECTOR PIN 1.1 1.1 1.1 1.2 1.2 1.2 2. INSTALLATION 2.1. CONFIGURATIONS DESCRIPTION 2.1 2.1 DECLARATION CE OF CONFORMITY Digicom S.p.A.
PREFACE HDSL 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.
GENERAL HDSL 1. GENERAL 1.1. DESCRIPTION HDSL line 2/4 wires MASTER V3 5/G 70 3 M ST /S LV LO O P AL M LO C AL M R EM PW R LIN K2 HDSL HIGH SPEED MODEM RX LIN K1 V3 5/G 70 3 M ST /S LV LO O P AL M LO C AL M R EM HDSL PW R TX G.703/V35 LIN K1 LIN K2 TX G.703/V35 HIGH SPEED MODEM SLAVE RX 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).
GENERAL HDSL 1.3. REAR PANEL VIEW V.35 G703 75Ω TX PWR CONFIG LINE RX 120 / 75Ω G703 120 Ω Picture 3 Name PWR CONFIG LINE G.703 120 ohm 120/75 ohm switch G.703 75 ohm TX G.703 75 ohm RX G.703 75 ohm switch V.35 Function Power supply 9pin female connector for device configuration HDSL line connector RJ11 4 contacts G.703 interface 120 ohm 9 pin female connector G.703 interface setup at 120 ohm or 75 ohm G.703 interface 75 ohm coaxial BNC (send) G.
INSTALLATION HDSL 2. INSTALLATION l l l l l Remove the two HDSL modems from the package and check they are OK. Using the “SetHDSL” program, configure one of the two modems as Slave. Connect the HDSL lines between the modems (RJ11 connector). Power on the modems that will connect using the factory configuration (default): V.
INSTALLATION HDSL NOTE: For further and complete information on the “SetHDSL”, please refer to the program help on line. 1.
INSTALLATION HDSL Interface speed [Kbit/s] 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 (1Mbps) 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 2048 (2Mbps) “N” Time Slot 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Line speed for each couple of wire (4 wires) [Kbit/s] 272 272 272 272 272 272 272 272 336 336 400 400 464 464 528 528 592 592 656 656 720 720 784 784 848 848 912 912 976 976 1040 1040 1.
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