Mobile NVR M1142 Quick Start Guide
31
Wire DC-in Power Source
6. Use a slotted screwdriver to tighten the captive screws.
7.
Plug the terminal block onto the DC-in power jack on the mobile NVR. And fix the connection by
fastening two screw on the terminal block.
See the symbols
printed above
the DC-in power
jack.
➍
➆
V+
GND
IGN
➎
V+ GND IGN
captive
screw
➏
Note
If the mobile NVR is used on a train, it is recommended that you use an additional EN50155-compliant single-
output DC-to-DC converter or let the mobile NVR tap from UPS (uninterruptible power supply).