diff --git a/includes/discovery/sensors/frequencies/eatonups.inc.php b/includes/discovery/sensors/frequencies/eatonups.inc.php
new file mode 100644
index 000000000..577a963c3
--- /dev/null
+++ b/includes/discovery/sensors/frequencies/eatonups.inc.php
@@ -0,0 +1,38 @@
+<?php
+
+// XUPS
+if ($device['os'] == 'eatonups') {
+    echo 'XUPS-MIB ';
+
+    // I'm not sure if there is provision for frequency of multiple phases in this MIB -TL
+    // XUPS-MIB::xupsInputFrequency.0 = INTEGER: 500
+    $freq_oid = '.1.3.6.1.4.1.534.1.3.1.0';
+    $descr    = 'Input';
+    $divisor  = 10;
+    $current  = (snmp_get($device, $freq_oid, '-Oqv') / $divisor);
+    $type     = 'xups';
+    $index    = '3.1.0';
+    discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
+
+    // XUPS-MIB::xupsOutputFrequency.0 = INTEGER: 500
+    $freq_oid = '1.3.6.1.4.1.534.1.4.2.0';
+    $descr    = 'Output';
+    $divisor  = 10;
+    $current  = (snmp_get($device, $freq_oid, '-Oqv') / $divisor);
+    $type     = 'xups';
+    $index    = '4.2.0';
+    discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
+
+    // XUPS-MIB::xupsBypassFrequency.0 = INTEGER: 500
+    $freq_oid = '1.3.6.1.4.1.534.1.5.1.0';
+    $descr    = 'Bypass';
+    $divisor  = 10;
+    $current  = snmp_get($device, $freq_oid, '-Oqv');
+    if ($current != '') {
+        // Bypass is not always available in SNMP
+        $current /= $divisor;
+        $type     = 'xups';
+        $index    = '5.1.0';
+        discover_sensor($valid['sensor'], 'frequency', $device, $freq_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
+    }
+}//end if