B&B Electronics DSC-200_300 - Manual - Manual (Page 8)

1.1 Features
The standard DSC-200/300 implements each of its communication channels with a 16550
UART and uses standard line driver and receiver components. For improved performance and
industrial-grade reliability, Quatech offers the following board upgrades:
1.1.1 "IND" Option --- Surge Suppression Upgrade
The "IND" option 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.
yes DSC-200/300IND
no DSC-200/300
IND Option Part Number
Figure 1 --- DSC-200/300 Product Series Summary
Quatech DSC-200/300 User's Manual 6