Your UPS-MT-monitor is designed for remote monitoring of power MikroTik routerboard, which have the supply voltage in range from 10V to 28V. (the models of MikroTik routerboard: B411/411A/411AH, RB433/433AH/433UAH, RB450/450G, RB33, RB493/493AH)
UPS-MT-monitor, in conjunction with the UPS-MT, form a system of uninterrupted power supply MikroTik routerboard.
This allows you to advance to detect a problem with power supply and have time to eliminate it.

   UPS-MT-monitor correctly works with any UPS on a base AD-55A, AD-55B, AD-55A with PSD-15B (12,0 V), and also UPS AD-155 series.

   Connects UPS-MT-monitor the staffing COM port and to the positive power wire PoE routerboard.

   UPS-MT-monitor with sewing of v01.005 and higher, have the opportunity of control of the state of external contacts. Depending on structural execution of UPS-MT-monitor, external contacts must be connected to the contacts of official socket (BLS-type) of UPS-MT-monitor as indicated on pictures below.    UPS-MT-monitor with sewing of v03.005 have separate clamps intended for measuring of voltage of battery.
Chart of connecting of battery.

Accessible parameters:

• supply voltage of routerboard
• state of supply voltage network of UPS – оn/off
• voltage of the battery (only when there is no network 220V AC)
• residual battery capacity (only when there is no network 220V AC)
• temperature inside the enclosure, where routerboard

Additional options:

• notification by E-mail
• notification via SMS (for the operators, who support the sending of SMS from the Internet)
• support The Dude and WinBox
• control sensor in the gap, or the closure of (custom)