5.2.4.1
NENA-Compliant Module: Specifications
Outputs:
(1) IRIG B/E, IEEE
1344/C37.118-2005
(AM/TTL)
(1) ASCII RS-232
(1) ASCII RS-485
(2)
Relay/Alarm
Connectors:
BNC (J1)
DB9F (J2)
3.81 mm Terminal block (J3)
Accuracy:
±20 to ±200 μs of UTC, format-
dependent
±100-1000 μs
(format-dependent)
±100-1000 μs
(format-dependent)
Switch time
4ms, max.
Table 5-7:
NENA module specifications
Figure 5-3:
Rear plate of NetClock 9483 NENA-compliant module
5.2.4.2
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
NetClock User Reference Guide
349
APPENDIX
Summary of Contents for NetClock 9400 Series
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Page 42: ...BLANK PAGE 1 11 Regulatory Compliance 26 CHAPTER 1 NetClock User Reference Guide Rev 16...
Page 160: ...BLANK PAGE 2 17 Configuring Outputs 144 CHAPTER 2 NetClock User Reference Guide Rev 16...
Page 238: ...BLANK PAGE 3 5 Managing the Oscillator 222 CHAPTER 3 NetClock User Reference Guide Rev 16...
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