Model: DDU-24/26
Doc. Ref. no. : - m06bom101
Issue no. 09
User’s Manual
Page 19 of 51
Unused terminals should not be used as jumper points as they may be internally connected,
which may cause damage to the unit.
Use >250V-1Amp Cable for Power Supply.
Supply voltage must be below maximum voltage rating specified on the label.
Figure 18 RS232 Connection Details
Figure 19 RS485 Connection Details
In case of RS-232 Output base master unit, external RS-232 to RS-485 Connector required, and
it will be connected direct in case of RS-485 output from Master.
For Brick Wall Mounting, Pass power cable and RS485 and RS232 cable from knock out drill of
Conceal box and connect it as per section 5.1.1, terminal sticker.
Figure 20 NTP + PoE connection Detail
