Technical Data
GARD 8000 SYS RFL Electronics
September 24, 2012 3-4 973.334.3100
60-Hz Rejection:
A received tone at -30 dBm will not be affected by a 50 Hz or 60 Hz signal as great as 40 Vrms with
optional 50/60 Hz blocking filter.
Amplitude Stability:
The Transmit level will vary by no more than ±1 dB.
Spurious Output:
All harmonics and spurious outputs are at least 40 dB lower than the carrier.
Transmitter Stability:
The transmitter frequency is stable within 0.02 percent over the full range of temperature and input
power variations.
Trip Boost:
Amplitude: Adjustable from zero to +12 dB in 1 dB steps.
Duration: Adjustable from zero to 30 seconds in .5ms steps.
Input and Output Impedance:
600 Ohms
Digital Teleprotection Interfaces (Standard 8-Bit):
The GARD 8000 Digital Teleprotection functionality is provided on the Display with TPS module. Up
to 32 functions of digital protection are available for use over a maximum of 4 digital channels. Each
of the 4 channels has 8 functions.
Digital Teleprotection Interfaces (Optional 96-Bit):
The GARD 8000 Digital Teleprotection functionality is provided on the Display with TPS module. Up
to 96 functions of digital protection are available for use over a single digital channel.
Digital Teleprotection Operating Time:
8-Bit Interface:
5 ms maximum in the most secure mode.
96-Bit Interface:
12.5 ms maximum in the most secure mode.
Operate Time:
5 ms maximum in the most secure mode
Digital Interface Options
T1/E1; 1.544 Mbps/2.048 Mbps for direct connection to a SONET/SDH multiplexer
*RS-449; 56/64 kbps - 768 kbps for connection to a CSU/DSU or a T1 multiplexer
X.21, V.35; 64 - 768 kbps
G.703; 64 kbps
Fiber, 64 - 768 kbps
* One is included in the Base System.
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