Perle Systems IOLINK-520 manual Introduction

							Introduction
7
6
5
4
Compression Ratio
3
2
1
0
Graphic	Database	Post Script	ASCII	C Source	Spreadsheet	Binary	Pre-compressed
			File Type

Figure 1 - 5 Typical Compression Ratios by File Type

Data compression will give a 56/64 Kbps link an effective throughput range from 112/128 Kbps when transferring binary files, to 364/384 Kbps when transferring graphic files. This increased throughput significantly reduces the bandwidth required across the WAN link to achieve a given performance level and/or allows the use of lower-cost transmission facilities.

	400	Uncompressed
	350
		Compressed
	300
Throughput in	250
Kbps	200
	150
	100
	50
	0
	Binary	Mixture	Graphic

File Type

Figure 1 - 6 Typical Throughput Over 56 Kbps Link

IOLINK-PRO & 520 Reference Manua — 1.17