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CXR Larus 80-100-400 Issue 1, July 2006 page
3-75
.4414
Output Pulse Amplitude:
54573: Bip
, rise time
<100 ns, overshoot
≤
10% of peak to base amplitude.
54574: 2.0
time <100 ns, overshoot
≤
10% of peak to base
amplitude.
3.4415
ule will not exceed a magnitude of 35 ns for any
observation interval.
3.4416
Twenty per card; monitor jack (-20 dB) for output #1
3.4417
Wirewrap, for up to 22 AWG shielded cable
3.4418
Less than 0.03 UI peak to peak from 20 Hz to 100 kHz
3.4419
g a 120 ohm load through up to 200 meters of
22 AWG shielded pair cable
.4420
Outputs and Controls:
a.
e to 54560 Alarm Interface Card signals loss of one or more
outputs.
b.
d can disable the capacity of
any specific output to generate an alarm.
c. Switch selects either CAS or CCS framing (54573 only).
d. Switch selects CRC4 on or off (54573 only).
e.
the 54560. The number of output failures is
monitored by the 54550.
f.
ts Protected or
Non-Protected operation with a matching output card.
3
olar E1 framed all ones, 3 volts ±0.6 volt base to peak; meets
ITU-T G.703 requirements. Line code HDB3, duty cycle 50 ±5%,
pulse width 244 ns ±10%, pulse interval 488 ns ±10%
48 MHz square wave, 1.0 to 1.9 volt base to peak; meets ITU-T
G.703 standard. Pulse width 244 ±10%, pulse interval 488 ns
±10%, rise
Rearrangement Phase Transient during Switching of Input Signals:
MTIE 324 nanoseconds maximum; phase change rate less than 61 ns in any
1 microsecond. Long-term maximum phase discontinuity (wander) on a
separate output mod
Number of Outputs:
Output Connectors (on backplane):
Output
Jitter:
Drive:
Each output capable of drivin
3
Alarm lin
One-wire interface to 54550 Information Management Card reports
personality and LED and output status an
If one or more outputs fail to meet the output pulse amplitude level, an
output failure is reported to
There is a small jumper behind the faceplate that selec
