Cygnus 850 E1 Démarrage rapide Manuel d'installation

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Before installing the modem, verify the leased line is of 2 Mbps ( Unframed ) or Nx64 kbps ( Framed ). If it is

unframed 2 Mbps then you can directly connect the E1 and V.35 modem in the line as CYGNUS 850 modem

factory default configuration is unframed 2 Mbps. Both end ( Premises & Local Exchange ) modems should

have same configuration either framed or unframed but not different configuration.

For configuring CYGNUS 850 modems, connect the PC Comm. port to the console port ( 9 pin Female )

of the modem which is provided on the front panel.

The PC Comm. port parameters should be as follows :

Speed - 9600 bps

Databits – 8

Parity - None

Stopbit - 1

Flowcontrol – None

When you access the supervisory functions through the console port, it is password protected and menu

driven. The default password for logging in is the character "0". When you log into the supervisory you

reach its "Root " menu.

1. Unframed configuration ( 2 Mbps )

To configure the modems for unframed - 2 Mbps speed ( factory default ), navigate through the menus to

configure factory default parameters ( 2.1.9 of flowchart diagram ) and type "Y" to load the factory

default parameters.

When system prompts to ignore password, press enter and navigate through the menus to store the

parameters in NVRAM ( 2.1.7 of flowchart diagram ) and type "Y" to save the parameters. Restart the

system manually by switching it OFF & ON or go to reset the unit ( 2.1.8 of flowchart diagram ) and type

"Y" to reset the system through software.

Verify the same by entering into the menus and select to view the unit status ( 1.0 of flowchart

diagram ). Verify the Framing parameter, it should be Unframed.

Both the units ( V.35 & E1 ) should have same configuration i.e. Unframed.

2. Framed ( for 64 kbps, 128 kbps, 256 kbps, 512 kbps & 1 Mbps )

If we need to configure the modems for other than 2 Mbps speeds ( eg.: 128 kbps ), follow the below

procedure.

To configure the modem for n x 64 kbps speed, you need to configure the framing type to framed and the

number of timeslots ( eg.: for 128 kbps, slot 1 & 2 ) as DTE for V.35 and E1 for E1 modem.

To configure framing type, navigate through the menus to configure Framing Type ( 2.1.2 of flowchart

diagram ) and select as Framed.

To configure timeslots, navigate through the menus to configure TDM timeslots ( 2.2 of flowchart

diagram ). Each slot is of 64 kbps.

If your speed is 1984 kbps ( i.e. 31 x 64 kbps ), select to configure all timeslots as DTE in V.35 modem

and to configure all timeslots as E1 ( 2.2.2 of flowchart diagram ) in E1 modem.

CYGNUS 850 2 Mbps MODEM

Quick Start Installation Guide

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