Huawei ECC800 User Manual page 70

ECC800 Data Center Controller
User Manual
The RS485 communications ports of the T/H sensor use RJ11 (6P6C) connectors.
Figure 3-33 Pins of an RJ11 connector
Table 3-52 Pin description of an RJ11 connector
Pin
Pin 1 or Pin 2
Pin 3
Pin 4
Pin 5 or Pin 6
Table 3-53 Temperature and humidity sensor specifications
Item
Temperature measuring range
Temperature accuracy
Operating temperature
Operating voltage
Storage temperature
Output
Issue 05 (2019-09-16) Copyright © Huawei Technologies Co., Ltd.
Description
GND
RS485-
RS485+
12V
Specifications
–20° C to +70° C
± 1° C
–10° C to +55° C
9–16 V DC
–40° C to +70° C
RS485
3 Device Description
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