Lantronix SISTP1040-551-LRT SISTP1040-551-LRT Install Guide Rev B - Page 13

Lantronix SISTP1040-551-LRT Install Guide DIP Switch Settings The top panel 5-position DIP switch is labeled SW and is located directly below the terminal block connector. The default setting for all is Off . DIP # 1 2 3 4 5 State On Off On Off On Off On Off On Off Description Enable the Power alarm. Disable the Power alarm. Enable Broadcast Storm rate limit. Disable Broadcast Storm rate limit. Enable Jumbo frame support. Disable Jumbo frame support. Select PoE PoH Mode. Select PoE 802.3bt Mode. Enable PoE Power Cutoff when no SFP link. Disable PoE Power Cutoff. Note The feature becomes active immediately after setting the DIP switch to ON. The feature becomes active immediately after setting the DIP switch to ON The feature becomes active immediately after setting the DIP switch to ON Set the DIP switch to ON before powering up the switch. PSE LPT (Link Pass Thru) On/Off. The feature becomes active immediately after setting the DIP switch to ON Descriptions of Features Set via DIP Switch The top panel DIP switch is used to enable/disable Power alarm, broadcast storm limit, Jumbo Frame support, PoH Mode/802.3bt mode, and PSE Link Pass Through mode as described below. 1. Power Alarm This setting lets you enable or disable the power alarm. See "Alarm Relay Connection" below. 2. Broadcast Storm Rate Limit This setting lets you enable or disable the rate limiting of broadcast storms. When enabled, the broadcast storm limit is 10 Mbps line rate. 3. Jumbo Frame Support This setting lets you enable or disable the support of jumbo frames of 1519~9216 bytes. 33841 Rev. B https://www.lantronix.com/ Page 13 of 26