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Chapter 1. Introduction
PHYSICAL DESCRIPTION
Front Panel
LED Identification
2
The DSU 5600 is a stand alone unit designed to be used either on
a desktop or mounted on a wall. The physical measurements of
the DSU 5600 are:
Length = 8.32 inches
Width = 6.50 inches
Height = 1.56 inches
Weight = 1.50 pounds
As shown in Figure 1-1, the front panel of the DSU 5600 contains
eleven LED indicators that display DTE interface, network, and
test status. These indicators are defined in the following section
LED Identification.
DTE Status (Green)
INDICATOR
RS
CS
TD
RD
CD
The active state for the status indicators (RS, CS, and CD) is On; the
On state for the data indicators (TD and RD) represents a SPACE
condition.
Network Status (Red)
ALM
On indicates a problem on the local loop or within
the DDS network.
Off indicates a normal loop and network conditions.
DSU 5600 User Manual
DEFINITION
Request To Send
Clear To Send
Transmit Data
Receive Data
Carrier Detect
SOURCE
DTE
DSU
DTE
DSU
DSU
61200.078L1-1
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