Specifications - HP 37718A Installation And Verification Manual
Communications performance analyzer
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Also See for 37718A:
- User manual (190 pages) ,
- Installation and verification manual (202 pages)
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General Information
Specifications
Specifications
Except where otherwise stated, the
following parameters are warranted
performance specifications. Parameters
described as "typical" or "nominal" are
supplemental characteristics which
provide a useful indication of typical
but non-warranted performance
characteristics.
PDH (Option 010 with Option 001)
Bit rates: 2.048 Mb/s, 8.448 Mb/s,
34.368 Mb/s, 139.264Mb/s
Interface: Meets ITU-T G.703
Ω
Connectors: BNC 75
Ω
pin Siemens 120
balanced
Clock: Internal ±4.5 ppm.
Loop Timed - recovered from receiver.
Test signal rates: N X 64 kb/s, 64 kb/s,
2.048 Mb/s, 8.448 Mb/s and 34.368
Mb/s.
Line coding: 140 Mb/s - CMI
34 Mb/s - HDB3.
8 Mb/s, 2 Mb/s - AMI, HDB3.
Framing:
All Rates: Unframed, Framed or
Structured.
2 Mb/s: PCM30 CAS with or without
CRC4, PCM31 with or without CRC4.
As ITU-T Recs. G.704, G.706 and
G.732
8 Mb/s: As ITU-T Rec. G.742
34 Mb/s: As ITU-T Rec. G.751
140 Mb/s: As ITU-T Rec. G.751
1-14
Test patterns
PRBS - 2
rates.
Word - User-defined 16 bit word, all
ones, all zeros, 1010, 1000.
Live traffic - Receiver only.
Background Patterns: Unframed 2
PRBS, AIS or same pattern as test
signal.
Error add type: Bit, Frame - all rates.
CRC4, REBE - 2 Mb/s only.
Code - 2, 8 and 34 Mb/s only.
Error add rate: Single and 1X10
to 7). Frame burst = 1 to 4 consecutive
framewords.
Alarm generation: LOS, AIS, LOF,
RAI, RMFAI, CASMFL, Minor alarm.
unbalanced, 3
Spare bits generation:
140 Mb/s: FAS bits 14 to 16
8 & 34 Mb/s: FAS bit 12
2 Mb/s:
Si bits (international bits): Timeslot 0 bit
1 in both FAS and NFAS frames.
E bits: CRC4 frames 13 and 15;
timeslot 0 bit 1.
Sa bit (national bits): NFAS timeslot bits
4 to 8.
Sa bit sequences: An 8 bit sequence
may be transmitted in any selected
NFAS Sa bit when CRC4 framing has
been selected. The sequence appears in
odd-numbered CRC4 frames, starting
at frame 1.
CAS multiframe: MFAS timeslot bits 5,
7 and 8.
Frequency offset: Up to ±100 ppm in 1
ppm steps.
9
11
15
23
-1, 2
-1, 2
-1, 2
-1 at all
9
-1
n
(n = 3
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