Index: includes/definitions/os.inc.php
===================================================================
--- includes/definitions/os.inc.php	(revision 9736)
+++ includes/definitions/os.inc.php	(working copy)
@@ -2148,6 +2171,7 @@
 $config['os'][$os]['sysObjectID'][]         = ".1.3.6.1.4.1.40418.7";
 //SNR-S3750G-48S-E Device, Compiled Oct 26 10:19:23 2015 SoftWare Version 7.0.3.1(R0244.0079) BootRom Version 7.1.107 HardWare Version 1.0.2 Device serial number SW032810D610000084 Copyright (C) 2015 NAG LLC All rights reserved
 $config['os'][$os]['sysDescr_regex'][]      = "/SNR-(?<hardware>\S+)[^,]*, .*SoftWare Version (?<version>\d[\w\.\-]+).* serial number (?<serial>\S+)/s";
+$config['os'][$os]['sysDescr_regex'][]      = "/SNR-(?<hardware>\S+)[^,]*, .*SoftWare Version (?<version>\d[\w\.\-]+).* Serial No.: (?<serial>\S+)/s";
 $config['os'][$os]['mibs'][]                = "SNR-SWITCH-MIB";
 
 $os = "snr-erd-2";