2N Helios IP User manual, 1510 v1.11 - Manual (Page 44)

Acoustic Signalling and Keypad Configuration 3.1
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Figure 3.2 Switching to Default Network Parameters – Static IP Address (Part Nos. 9137160E,
9137160CE, 9137160CKE, 9137161E, 9137161CE, 9137161CKE)
Figure 3.3 Switching to Default Network Parameters – Static IP Address (Part Nos. 9137110E,
9137110CE, 9137110CKE, 9137111E, 9137111CE, 9137111CKE)
For one-button 2N ® Helios IP modules (Part Nos. 9137110E, 9137110CE,
9137110CKE, 9137111E, 9137111CE, 9137111CKE), pushing key 1 fifteen times
within 30 seconds after the internal application launch results in turning on of the
web server and switching the network parameters from the DHCP to the default static
IP address and vice versa.