Teledyne 440, System Manual, Page: 27 / 256

2 – System Overview
DPN 402196 Issue 4.1 © Teledyne TSS 2- 3
Notify Teledyne TSS immediately if there are parts or sub-assemblies missing from your shipment. If
you see any damage to the System, file a claim with the insurers and inform Teledyne TSS. The title
page of this Manual lists the contact details for Teledyne TSS. Teledyne TSS also operates a 24-hour
emergency telephone support line managed by trained and experienced engineers.
To avoid loss or damage to any components of the System, store all sub-assemblies safely in their
transit cases until you need to install them. Obey the environmental limits for storage listed in
Chapter
8 "System Specifications" for all sub-assemblies.
2.2 Surface Components
2.2.1 Surface Display Computer (SDC) 10
Figure 2-2: Surface Display Computer (SDC10) overview
The SDC10 comprises a ruggedised rack-mountable 19” Windows Panel PC with a VESA-mounted
comms enclosure encapsulating the power, communication, video overlay and analogue output
interfaces. The Panel PC provides two front-mounted USB ports to attach external equipment. All other
connections are clearly labelled on the comms enclosure mounted to the rear of the Panel PC.
The Panel PC uses touch-screen technology that enables the user to configure the System without the
requirement for a mouse or keyboard.
The main functions of the SDC are:
❐ To communicate with the sub-sea installation.
Three communication methods are available: RS232, 2-wire current loop, and 4-wire current loop.
You may adjust links inside the SEP and use the external comms selector switch on the SDC to
select between these methods. See
section 4.2.2.1 "Alternative Communication Methods" on page
4-11 for instructions to make these changes.