Quatech ESC-100 user manual Features, IND Option --- Surge Suppression Upgrade

1.2 Features

The standard ESC-100 implements each of its communication channels with a 16750 UART and uses standard line driver and receiver components. For improved performance and industrial-grade reliability, Quatech offers the following board upgrades:

1.2.1 "IND" Option --- Surge Suppression Upgrade

The "IND" upgrade provides the protection essential for reliable use in an industrial environment. Each communication line has a surge suppressor capable of sustaining up to 40A 20us peak transient surges, a clamping voltage of 30V and a peak energy dissipation of 0.1 Joules.

Part Number	IND Option	Connector
ESC-100D	no	D-78
ESC-100DIND	yes	D-78
ESC-100M	no	RJ-11
ESC-100MIND	yes	RJ-11

Figure 1 --- ESC-100 Product Series Summary

Quatech ESC-100 User's Manual 7