Electrical Specifications - Fluke 635 User Manual

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Users Manual

Electrical Specifications

Table A-2 provides electrical specifications for the QuickBERT-T1 and
QuickCHECK-T1.
Characteristic
RX T1 Receiver
Input Impedance
Range
Compatibility
Framing
Line Coding
Patterns
Status/History
Pattern Sync Loss
Pattern Sync Gain
Signal Present
RX T1 Receiver (cont.)
Out of Frame
Blue Alarm (AIS)
A-2
Table A-2. Electrical Specifications
Bridge > 1000 ohms
Term = 100 ohms ± 5%
Monitor = 100 ohms ± 5%
Bridge = 6 to -36 dB
Term = 6 to -36 dB
Monitor = -15 dB to -24 dB
ANSI T1.403, AT&T Pub 62411
NONE, D4, ESF, SLC96
AMI, B8ZS
QRSS, 1 IN 7, 2 IN 8, 3 IN 24, ALL 0'S,
ALL 1'S, 1:1, NET55, OCT55, DALY55,
USER (QuickBERT-T1 only)
AMI, B8ZS, SIGNAL PRESENT, OUT OF
FRAME, BLUE ALARM(AIS), ONES
DENSITY, EXCESS ZEROS, YELLOW
ALARM, DS1 IDLE SIGNAL, PATTERN
SYNC LOSS
100 bit errors in 1000 bits
0 bit errors in N + 1200 bits,
N = 20 for QRSS, N = pattern length for
the other pattern
absent when 192 consecutive zeros (no
pulses) have been detected
D4, SLC96: 2 out of 4 FT bits in error;
ESF: 2 out of 4 FPS bits in error
unframed all ones per TR-TSY-000191
(no framing and 14 or less zeros in
13,895 bits)
Specification