diff --git a/includes/discovery/sensors/voltages/eatonups.inc.php b/includes/discovery/sensors/voltages/eatonups.inc.php
new file mode 100644
index 0000000000..c0ce1bff67
--- /dev/null
+++ b/includes/discovery/sensors/voltages/eatonups.inc.php
@@ -0,0 +1,90 @@
+<?php
+
+// XUPS-MIB
+if ($device['os'] == 'eatonups') {
+    echo 'XUPS-MIB ';
+
+    // XUPS-MIB::xupsBatVoltage.0 = INTEGER: 51
+    $oids = snmp_walk($device, 'xupsBatVoltage', '-Osqn', 'XUPS-MIB');
+    d_echo($oids."\n");
+
+    $oids = trim($oids);
+    foreach (explode("\n", $oids) as $data) {
+        $data = trim($data);
+        if ($data) {
+            list($oid,$descr) = explode(' ', $data, 2);
+            $split_oid        = explode('.', $oid);
+            $volt_id          = $split_oid[(count($split_oid) - 1)];
+            $volt_oid         = ".1.3.6.1.4.1.534.1.2.2.$volt_id";
+            $divisor          = 1;
+            $volt             = (snmp_get($device, $volt_oid, '-O vq') / $divisor);
+            $descr            = 'Battery'.(count(explode("\n", $oids)) == 1 ? '' : ' '.($volt_id + 1));
+            $type             = 'xups';
+            $index            = '1.2.5.'.$volt_id;
+
+            discover_sensor($valid['sensor'], 'voltage', $device, $volt_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $volt);
+        }
+    }
+
+    // XUPS-MIB::xupsInputNumPhases.0 = INTEGER: 1
+    $oids = trim(snmp_walk($device, 'xupsInputNumPhases', '-OsqnU', 'XUPS-MIB'));
+    d_echo($oids."\n");
+
+    list($unused,$numPhase) = explode(' ', $oids);
+    for ($i = 1; $i <= $numPhase; $i++) {
+        // XUPS-MIB::xupsInputVoltage.1 = INTEGER: 228
+        $volt_oid = ".1.3.6.1.4.1.534.1.3.4.1.2.$i";
+        $descr    = 'Output';
+        if ($numPhase > 1) {
+            $descr .= " Phase $i";
+        }
+
+        $type    = 'xups';
+        $divisor = 1;
+        $current = (snmp_get($device, $volt_oid, '-Oqv') / $divisor);
+        $index   = '3.4.1.2.'.$i;
+
+        discover_sensor($valid['sensor'], 'voltage', $device, $volt_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
+    }
+
+    // XUPS-MIB::xupsOutputNumPhases.0 = INTEGER: 1
+    $oids = trim(snmp_walk($device, 'xupsOutputNumPhases', '-OsqnU'));
+    d_echo($oids."\n");
+
+    list($unused,$numPhase) = explode(' ', $oids);
+    for ($i = 1; $i <= $numPhase; $i++) {
+        // XUPS-MIB::xupsOutputVoltage.1 = INTEGER: 228
+        $volt_oid = ".1.3.6.1.4.1.534.1.4.4.1.2.$i";
+        $descr    = 'Output';
+        if ($numPhase > 1) {
+            $descr .= " Phase $i";
+        }
+
+        $type    = 'xups';
+        $divisor = 1;
+        $current = (snmp_get($device, $volt_oid, '-Oqv') / $divisor);
+        $index   = '4.4.1.2.'.$i;
+
+        discover_sensor($valid['sensor'], 'voltage', $device, $volt_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
+    }
+
+    // XUPS-MIB::xupsBypassNumPhases.0 = INTEGER: 1
+    $oids = trim(snmp_walk($device, 'xupsBypassNumPhases', '-OsqnU'));
+    d_echo($oids."\n");
+
+    list($unused,$numPhase) = explode(' ', $oids);
+    for ($i = 1; $i <= $numPhase; $i++) {
+        $volt_oid = ".1.3.6.1.4.1.534.1.5.3.1.2.$i";
+        $descr = 'Bypass';
+        if ($numPhase > 1) {
+            $descr .= " Phase $i";
+        }
+
+        $type    = 'xups';
+        $divisor = 1;
+        $current = (snmp_get($device, $volt_oid, '-Oqv') / $divisor);
+        $index   = '5.3.1.2.'.$i;
+
+        discover_sensor($valid['sensor'], 'voltage', $device, $volt_oid, $index, $type, $descr, $divisor, '1', null, null, null, null, $current);
+    }
+}//end if