Ds1/Ds3/E1/E3 Structured Test Interfaces (Option 110) - HP 37717C Calibration Manual

General Information
Specifications
DS1/DS3/E1/E3 structured test
interfaces (Option 110)
OUT and IN ports (used for
transmit and receive)
Type: Electrical: To ANSI T1.102-
1993; ITU-T O.171, G.703.
Connectors: DS1 (1.554 Mb/s):
WECO bantam, 100
(44.736 Mb/s): BNC, 75
unbalanced.E1 (2.048 Mb/s): BNC,
75 , unbalanced and WECO bantam,
120 balanced. E3 (34.368 Mb/s):
BNC, 75 , unbalanced.
Rate: 1.544, 2.048, 34.368,
44.736 Mb/s.
DSn/PDH transmitter
Clock timing: Internal: All rates;
Recovered by the receiver.
Frequency offset generation:
Up to 100 ppm in 1 ppm steps.
Clock output: Selected transmitter
clock (internal or looped receiver
clock) used to generated DS1/DS3/E1/
E3 test output signal. (BNC connector,
externally terminated 50
Line coding: DS1: B8ZS, AMI.
DS3: B3ZS.E1: AMI, HDB3.E3:
HDB3.
Output level: DS1: DSX-1, DS1-LO.
DS3: DS3-HI, DSX-3, DS3-900'
Framing: All rates: Unframed, framed
and structured. DS1: SF (D4). DS1:
ESF to ANSI T1.403-1989, Bellcore
TR-TSY-000499 and ITU-T G.704;
the ESF data link (DL) defaults to
repetition of idle code (01111110).
DS3: M13 to ANSI T1.107-1995.
DS3: C-bit parity to ANSI T1.107a-
1990. E1: To ITU-T G.706/G.732.
E3: To ITU-T G.751.
N x 64 kb/s structured to ITU-T G.704
for E1, E3
N x 64 kb/s and N x 56 kb/s structured
for DS1 and DS3.
balanced. DS3
,
Test pattern: PRBS: 2
20
2
QRSS (DS1 only).
3-in-24 stress pattern (DS1 only).
Word: 1010, 1000, 16 bit user word, all
ones, all zeros. The PRBS polarity of
patterns is user selectable.
Error add: DS1: Bit, FAS (Frame
Alignment Signal), BPV/code, CRC-6,
EXZ (excess zeros).
DS3: Bit, FAS, MFAS (MultiFrame
Alignment Signal), BPV/code, parity (P
bits), CP (path parity), FEBE, EXZ
(excess zeros).
E1: Bit, FAS, BPV/code, CRC-4,
REBE. E3: Bit, FAS, BPV/code.
Error insertion rate: Single. 1.0E-3.
1.1E-3. 1.0E-4 to 9.9E-9. Mantissa step
to ground).
size 0.1, exponent step size 1.
Alarm generation: DS1: Loss of
signal (LOS); Out of frame (OOF);
alarm indication signal (AIS); remote
alarm indication (RAI).
DS3: LOS; LOF; AIS; RAI; far end
alarm and control (FEAC): As per
T1.107-1995.
E1: LOS, LOF, AIS, RAI.
E3: LOS, LOF, AIS, RAI.
9
-1, 2
23
-1, 2 -1.
11 15
-1, 2 -1,
1-17