Becker AR620X - Page 46

Installation
Electrical Interface
46 Transceiver Family 620X DV14307.03 Issue 04 March 2016
J1 Connector (Serial Interfaces and Discrete I/O’s)
The J1 connector is a D_SUB female connector with 25 sockets and slide-in fastener.
Pin No.
Pin Name
Direction
Function
J1-1
CPIN
-
Reserved coding pin
J1-2
TX2+
OUT
Auxiliary control interface
J1-3
RX2+
IN
Auxiliary Control Interface
J1-4
/SQL_EVAL
OUT
Squelch monitor output
ACTIVE state - closed contact to GND
J1-5
/PTT2
IN
Press-To-Talk key input 2
ACTIVE state - closed contact to GND
J1-6
SHIELD_1
-
Secondary control & service interface SHIELD
J1-7
TX1+
OUT
Secondary control & service interface
J1-8
RX1+
IN
Secondary control & service interface
J1-9
TX2-
OUT
Auxiliary control interface
J1-10
RX2-
IN
Auxiliary control interface
J1-11
SHIELD_2
-
Auxiliary control interface SHIELD
J1-12
/EXT_SO
IN
External "Exchange" key
Falling edge will activate frequency exchange
J1-13
/SRV_EN
IN
Service enable pin
ACTIVE state - closed contact to GND
J1-14
TX1-
OUT
Secondary control & service interface
J1-15
RX1-
IN
Secondary control & service interface
J1-16
NC
not connected
J1-17
/SQL_SW
IN
"Squelch Force-OFF" input
ACTIVE state - closed contact to GND
J1-18
NC
not connected
J1-19
NC
not connected
J1-20
/ISOL
IN
"ISOL" input
ACTIVE state - closed contact to GND
J1-21
D_GND
-
Discrete lines ground
J1-22
D_GND
-
Discrete lines ground
J1-23
D_GND
-
Discrete lines ground
J1-24
/MIKE_SW
IN
Configuration selector CFG1 and CFG2
J1-25
/EXT_ON
IN
External Power ON input
ACTIVE state - closed contact to GND