SRG-1150DN / SRG-1250DN / SN-100
2.6 MF/HF CONTROL
o Controlled items
receiver, transmitter, MF/HF receiver, DSC,
DSC WATCH- KEEPING receiver, frequency PROGRAM
o DISTRESS
Transmit 2182kHz/H3E alarm
o Miscellanea
DISPLAY BOARD, INTERNAL / EXTERNAL LOUD SPEAKER
selectivity HAND- SET input, DIMMER.
o MAIN PROCESSOR
V25 - 20MHz
o ROM
27C040 (512K BYTE)
o RAM
68C1000 (128K BYTE)
o Display
LCD BACK- LIGHT DISPLAY
o INTERFACE
RS - 232 INTERFACE - 2 CHANNEL equipment
PRINTER INTERFACE - 1 CHANNEL equipment
(based on CENTRONICS INTERFACE )
2.7 DSC
o PROTOCOL
Complied with CCIR recommendation 493- 3 and 541- 2
o EMISSION
F1B/J 2B, 100 BAUD
o Modulator
Output frequency : 1700Hz ± 85Hz
Output LEVEL : Max +10dBm (600 ohm unbalanced/balanced)
o Demodulator
Input frequenc y 1700Hz + 85Hz
Input LEVEL : 20dBm ~ +5dBm
(600 ohm unbalanced/balanced)
o Processor
10- bit error detection code as specified
in CCIR 493- 8 standard.
* Correction of CLOCK transmission type
CLOCK frequency : 14,000kHz
CLOCK stability : within ± 5× 10
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