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ADCP-75-159 • Issue 1 • August 2003 • Section 1: Overview
Page 1-5
© 2003, ADC Telecommunications, Inc.
2.4 Local Service Interface
Local communications with an individual Digivance system is supported through a local service
interface capability as shown in Figure 4. The primary component of the local interface is a PC-
type laptop computer loaded with the Digivance Element Management System (EMS) software.
The EMS provides the various control and monitoring functions required for local management
of each Digivance system. The EMS computer can be directly connected to either the HU or RU
through the computer’s RS-232 port. Operation is done through the EMS Graphical User
Interface (GUI). The GUI consists of a series of screens from which the user selects the desired
option or function. An RS-232 service port is provided on both the HU and the RU for
connecting the EMS computer.
Figure 1-4. Local Service Interface
2.5 Remote NOC Interface
Remote communications between a Network Operations Center (NOC) and a networked
grouping of multiple Digivance systems is supported by a remote NOC interface capability as
shown in Figure 1-5. The primary component of the remote NOC interface is a PC-type desktop
computer loaded with the Digivance Element Management System (EMS) software. The
Digivance EMS provides the various control and monitoring functions required for remote
management of multiple Digivance systems through a NOC.
A Controller Area Network (CAN) port is provided on each HU so that up to twenty-four HU’s
can be networked together in daisy-chain fashion and controlled though the same EMS
computer. The EMS computer connects to the networked HU’s through the computer’s RS-232
port #1. All HU’s can then be controlled through the same EMS computer.
The NOC is connected to the EMS computer through a T1 system or other medium. The EMS
computer’s RS-232 port #2 interfaces with the T1 system equipment. The T1 equipment must
be capable of interfacing with an RS-232 ASCII interface port.
HOST UNIT
LAPTOP WITH EMS
(LOCAL INTERFACE)
LAPTOP WITH EMS
(LOCAL INTERFACE)
18524-A
CD-ROM WITH DIGIVANCE
ELEMENT MANAGEMENT
SYSTEM (EMS) SOFTWARE
REMOTE
UNIT
RS-232
RS-232