Teledyne 440, System Manual, Page: 54 / 256

4 – Electrical Installation
4-8 © Teledyne TSS DPN 402196 Issue 4.1
Connect the RS232 altimeter signals to the SDC through the 9-way D-type male serial communication
port labelled ‘COM2’ on the rear comms module of the SDC. The pin designations for the 9-way D-type
ports are as follows:
Use the DeepView for Windows software to configure the 440 System for use with the appropriate type
of altimeter. See
Chapter 5 "System Configuration" and Chapter 6 "Operating software" for relevant
instructions.
4.2 Surface Display Computer
See section 2.2 "Surface Components" on page 2-3 for a description of the SDC and Chapter 8
"System Specifications" for a minimum specification.
NOTE
All connections to the SDC are through the VESA-mounted Comms Module
attached to the rear of the Panel PC. They are located on the top face of the
Comms Module making them easily accessible during System installation.
Figure 4-2: SDC Rear comms module with key to ports
4.2.1 Power Connection
Connect AC electrical power to the SDC through the 3-core electrical supply cable and standard 3-pin
IEC electrical inlet. The SDC has an auto ranging power supply unit that configures itself automatically
to use an electrical supply in its acceptable range 85 to 265V AC (47 to 63Hz).
4.2.2 Communication Link SEP to SDC
Use the SDC port – ‘COMMS FROM SEP’
Table 4-3: RS232 connections for the altimeter (9-way D-type female cable)
Altimeter signal
Pin
Number
SDC Altimeter pin connections
RS232 data from altime-
ter 2 Receive
RS232 Comms to altim-
eter 3 Transmit. Necessary for use only with the OSEL Bathymetric System,
where communications must be bi-directional.
RS232 common 5 Ground