User Manual

AS8100 Sitespan User Guide Version 3.7

605-0000-426

GSI 011

Draft Issue 6.0. Date 4/4/00

OPERATING SITESPAN FOR FIXED ASSIGNMENT OVER

DEMAND ASSIGNMENT BACKHAUL

Use this procedure to provide a Sitespan connection to an Access Concentrator Site for a

Fixed Assignment Modem Shelf installed on the same site as a Demand Assignment CT

Rack

WARNING: When plugged into the modem shelf backplane, Sitespan becomes

the master controller and the shelf controller the slave. The

configuration file of Sitespan will automatically overwrite any

existing shelf controller configuration.

STEP PROCEDURE

DA Modem Shelf to FA Modem Shelf Interface Connections

The Sitespan 2 and SC AUX connectors are used to backhaul FA Modem Shelves.

To connect a FA Modem Shelf for backhaul to the AC Site provide a link cable

between the Sitespan 2 (9 way D-type) connector and the Sitespan 25 way D-type

connector on the FA Modem Shelf.

To connect a second FA Modem Shelf for backhaul to the AC Site provide a link

cable between the Sitespan Aux (9 way D-type) connector on the DA Modem Shelf

and the Sitespan 25 way D-type connector on the FA Modem Shelf.

SITESPAN

E1OUT

-48V FAN AUX5 AUX9

SCAUX

SLOT 5 SLOT 9

E1IN

E1OUT

SCLAT

Figure 12. Demand Assignment Modem Shelf Backplane