Moxa ONCELL G2110-T User Manual download pdf (Page 19)

OnCell G2100 Series User’s Manual Getting Started

2-10

A terminal block adaptor with power jack connector is provided to connect to AC power instead of

DC power. Compatible AC power adaptors are listed on the Moxa website, www.moxa.com.

ATTENTION

Always install the antenna first and then connect power. Do not connect power if the antenna has

not been installed! Doing so may damage the unit.

Connecting a Serial Device

The RS-232 serial interface come with 15 KV ESD serial line protection and matches the pinouts

of a standard D-shell connector. A serial device or PC COM port can be connected with a DB9(M)

to DB9(F) serial cable, such as Moxa’s CBL-F9M9-150 (100 cm) or CBL-F9M9-20 (20 cm).

Meter

Meter Meter

RS-485 Multi-dropped devices

CBL-F9M9-150 or

CBL-F9M9-20

PC or RS-232 Devices

For OnCell G2150I Only

A separate 5-pin terminal block connector on the bottom panel is used for RS-422, 2-wire RS-485,

and 4-wire RS-485 connections. A built-in 120 Ω terminal resistor can be activated by DIP switch

if required. Pull high/low resistor adjustments are also allowed. Both the RS-232 and RS-422/485

interfaces come with two types of protection: (1) 2.5 KV RMS isolation for 1 min and (2) 15 KV

ESD serial line protection.

ON DP

T+

T-

R+/D+ R-/D-

GND

RS-422/485 settings are configured by DIP switch, on the bottom panel.

y Switches 1, 2, and 3 select the serial interface.

y Switch 4 enables or disables the termination resistor.

y Switches 5 and 6 set the pull high/low resistor.

5 61

ON DIP

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Moxa ONCELL G2110-T User Manual Page 19