User Manual

SPEEDCOM SC5800 User Manual
25
4.2 Indoor Unit
4.2.1 Introduction
This section describes the recommended installation procedure for the Indoor Unit.
The Indoor Unit is designed for mounting in the DIN 41494 (19") racking standard and
occupies a 1U high slot. Desktop mounting is also possible.
The Indoor Unit’s payload (nE1, nT1 and 10BaseT Ethernet) and Service Channel
(‘Wayside serial’) data interfaces and Element Management interface are located on
the front panel. Input Power, Auxiliary alarm and ‘IU/OU Interconnect’ interfaces are
located on the rear panel, suitable for rack installations.
The recommended installation procedure for the Indoor Unit is the following:
• Install the Indoor Unit in the rack.
• Earth the Indoor Unit.
• Connect the DC power supply.
• Connect Payload data ports (front panel).
• Connect Auxiliary In/Out port (optional).
• Connect Service Channel (Wayside) serial port (optional).
• Connect the Element Manager port using the supplied cable (front panel).
4.2.2 Installing the Indoor Unit in a Rack
1. Slide the Indoor Unit into the 19" rack and secure to the rack using four M6 x
18 mm screws.
2. Earth the Indoor Unit by connecting the earth cable or strap between the
station earth and the earth stud on the Indoor Unit rear panel.
IU/OU Link LED
IU/OU Data
Interconnect RJ45
IU/OU Power
Interconnect
Auxiliary IO
DC In
Fuse
Holder
ON/OFF
Switch
Ground
Terminal