HP 37717C, Calibration Manual, Page: 36 / 399

1-15
General Information
Specifications
Test signal rates: N X 64 kb/s, 64 kb/s,
2.048 Mb/s, 8.448 Mb/s, 34.368 and
139.264 Mb/s.
Frame Formats
All Rates: Unframed, Framed or
Structured.
2 Mb/s, and 64 kb/s Framing: PCM30
CAS with or without CRC4, PCM31
with or without CRC4.As ITU-T Rec.
G.704
8 Mb/s Framing: As ITU-T Rec.
G.742
34 Mb/s Framing: As ITU-T Rec.
G.751
140 Mb/s Framing: As ITU-T Rec.
G.751
Background Patterns: Unframed 2
9
-1
PRBS, AIS or same pattern as test
signal.
External 2 Mb/s Mux I/P: Meets ITU-
T Rec. G.703, unbalanced HDB3 signal
only.
Receiver (Option UKJ, UKL)
Interface bit rate:
2.048 Mb/s:
±
100 ppm balanced/
unbalanced.
8.448 Mb/s:
±
100 ppm unbalanced.
34.368 Mb/s:
±
100 ppm unbalanced.
139.264 Mb/s:
±
100 ppm unbalanced.
Line codes: As transmitter.
Autosetup: Bit rate, test pattern,
framing and level of an incoming
signal.
Synchronization: Sync loss when BER
≥
20% over 100 ms for PRBS or
≥
4%
over100 ms for word patterns. Sync
gain when 32 consecutive error free bits
received.
Equalization at f/2: 2.048 Mb/s, 8.448
Mb/s: 6 dB34.368 Mb/s, 139.264 Mb/s:
12 dB
Monitor point compensation: 2.048
Mb/s, 8.448 Mb/s: 20 dB, 26 dB or 30
dB. 34.368, 139.264 Mb/s: 20 dB or 26
dB.
Frame Formats: As transmitter.
Frame Alignment 2 Mb/s: As ITU-T
Rec. G.706
Frame Alignment 2 Mb/s CRC4: As
ITU-T Rec. G.706.
Frame Alignment 2 Mb/s CAS: As
ITU-T Rec. G.732.
Frame Alignment 8 Mb/s: As ITU-T
Rec. G.742.
Frame Alignment 34 Mb/s: As ITU-T
Rec. G.751.
Frame Alignment 140 Mb/s: As ITU-
T Rec. G.751.
Frame Gain 2 Mb/s: 1 correct
sequence of FAS-NFAS-FAS.
Frame Loss 2 Mb/s: 3 consecutive
incorrect FAS or NFAS words.
Frame Gain 2 Mb/s CAS: 1 correct
CAS multiframe and the previous CAS
word is not 0000.
Frame Loss 2 Mb/s CAS: 2
consecutive errored CAS multiframe
patterns or 16 frames with CAS word
0000.
PDH Binary Interfaces (Option UH3)
Option UH3. Provides binary interfaces
for the PDH modules (Options UKK
and UKJ)
Transmitter
Binary Data Output
Data rates: 700 kb/s to 50 Mb/s (TTL),