User's Instructions

Power supply interface and large switch picture

Rear panel port introduction

Port name

Function declaration

USB

Connect with PC，use ain programming、software update。

EXT-I/O

Outside expand interface, including the signal connected with

outside and control the Pin, use as specific expanding function.

Outside look structure define the interface.

RJ11

Connect with PSTN telephone network or PABX internal

telephone network, use as expanding interworking call with

telephone network.

ANT/TX

Connect with antenna when duplexer installed，connect with

transmit antenna when duplexer uninstalled。

ANT/RX

connect with transmit antenna when duplexer uninstalled。

Rear panel EXT-I/O port definition

Pin No. Definition Function declaration

Pin1 -

13v

Power ground

Pin2 IO_CLKX'

CLKR output signal, LVTTL_3.3V

Pin3 UART3_RX'

UART3_RX serial port

Pin4

IO_PTTI

PTTR input signal, LVTTL_3.3V

Pin5 SEL0_IN/SEL0_OUT

Expanding IO-0 LVTTL_3.3V

Pin6

Digital

Pin7

Analog