Orolia SecureSync 2400 - Page 509

Figure 5-56: Rear plate of NENA-compliant module
IRIG Output Specifications
AM IRIG Output:
Output impedance: 50 Ω nominal
Amplitude (adjustable):
500 mV
p-p
min, 6V
p-p
max into 50 Ω
1V
p-p
min, 12V
p-p
max into > 600 Ω
AM Carrier:
IRIG A – 10 kHz
IRIG B – 1kHz
IRIG E – 100 Hz, 1kHz
IRIG G – 100 kHz
Modulation Ratio: 3.3:1 nominal
DCLS IRIG Output:
Signal Level: 0V to 4.3 V (TTL compatible) into 50 Ω
Output impedance of buffer is ~7 to 10 Ω
ASCII RS-232 Specifications
Outputs
: ±5V
DC
minimum, ±5.4 V
DC
typical
Signal Type and Connector
: RS-232 DB-9F
RS-232 Input:
-25 V
DC
to +25 V
DC
+0.6V
IL min
, +1.2V
IL TYP
+1.5V
IH TYP
, +2.4V
IH MAX
Input impedance > 3kΩ
SecureSync 2400 User Manual 493
APPENDIX