ASCOM H952T - Circuit Board Connectors; Switches and LEDs; Flash PROM and Adjustable Components

Connectors
J100, J101 For connecting D-, and SP-bus via modular bus cabling.
J102 Su
pply voltage.
J103 For connecting D-bus (if modular bus cabling is not used)
and Control
Equipment.
J200 For connecting the Speech and Frequency (T952SM/FL) Lock module.
Switches
SW100 Addres
s selector switch.
SW200 Test switch, set to OFF during normal operation.
LEDs
LED100 Function indicator for green, red, or orange indicat
ion.
LED201 LED, TX ON,
indicates carrier.
LED300 LED, TX DATA ON, indicates paging.
LED301 Indicates DSP running (blinks).
LED302 Indicates speech on.
Flash PROM
IC101 Program memory
Adjustable
Components
P400 Potentiometer, for calibration of output power.
L301 Inductance coil, for fine adjustment of reference frequency.
C444 Capacitor, for adjustment of VCO frequency (only U952T).
L401 Inductance coil, for adjustment of VCO frequ
ency
(only H952T).
TD 92022EN
3 July 2013 / Ver. G
Installation Guide
H/U952T Terminal Transmitter
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