User guide
Specifications
284 AXS-200/805/855
DSn/PDH Specifications
DSn/PDH Specifications
DS1 Receiver
Modes Monitor, Terminate, Bridged, CSU/NIU emulation
Framing ESF, SF, SLC96, unframed, auto detect
Line coding B8ZS, AMI
Rx bit rate 1.544 Mbit/s ± 300 ppm
Impedance 100 nominal, bridged > 1000
Rx level sensitivity For 772 kHz: TERM: )26 dB (cable loss only) at 0 dBdsx Tx
DSX-MON: )26 dB (20 dB resistive loss + cable loss )6 dB)
Bridge: )6 dB (cable loss only)
Note: Measurement units = dBdsx
Frequency measurement accuracy (uncertainty)
±7 ppm
Electrical power measurement accuracy (uncertainty)
±1.5 dB
Line events LOS, OOF, AIS, RAI, UAS, CRC, BPV, F-bits, 1’s D, ExZ
Patterns Auto, QRSS, 3 in 24, 2 in 8, 1 in 16, 1 in 8, 1111, 0000, 1010, DALY, 2E15-1, 2047
PM stats CNT, BER, ES, EFS, % EFS, SES, % SES
Loopbacks NREM, NLOC, NDU1, NDU2, CREM, CLOC, CDU1, CDU2, ARM, HTUR, HTUC, NRE1, NRE2, CSU, NIU5
Smart repeater codes (ILR, IOR), Payload, Line, Network, Local, Self
Round-trip delay Displayed in milliseconds (ms)
Timing slips Count and deviation
Fractional T1 Contiguous and non-contiguous: N x 64
DS1 Transmitter
Modes Terminate
Framing ESF, SF, SLC96, unframed
Line coding B8ZS, AMI
Tx bit rate 1.544 Mbit/s, ± 20 ppm
LBO 0, —7.5, –15 and –22.5 dB
Error inject Bit error, framing loss (2 F-bits) and BPV
Patterns Auto, QRSS, 3 in 24, 2 in 8, 1 in 16, 1 in 8, 1111, 0000, 1010, DALY, 2E15-1, 2047
Loopbacks NREM, NLOC, NDU1, NDU2, CREM, CLOC, CDU1, CDU2, ARM, HTUR, HTUC, NRE1, NRE2, CSU, NIU5
Smart repeater code (ILR, IOR), Payload, Line, Network, Local, Self
Standards ANSI T1.403, AT&T Pub.62411
Tx pulse amplitude 2.4 to 3.6 V
DS3 SPECIFICATIONS
DS3 Receiver
Modes Monitor, Terminate, Through, DS1 Drop and Insert, Through no Gen
Framing C-bit, M13, unframed, auto
Line coding B3ZS
Rx bit rate 44.736 Mbit/s ± 100 ppm
Impedance 75 nominal
Rx level sensitivity For 22.368 MHz: TERM: )10 dB (cable loss only)
DSX-MON: )26.5 dB (21.5 dB resistive loss + cable loss )5 dB)
Note: Measurement units = dBm
Line events LOS, OOF, AIS, RDI, IDLE, UAS, C-bit, BPV, F-bit, P-bit, FEBE, ExZ
Patterns 2E23-1, 2E20-1, 2E15-1, QRSS, 3 in 24, 1010, 1111, 1100, 1000
PM stats CNT, BER, ES, EFS, % EFS, SES, % SES
FEAC codes Displays any of 11 received FEAC codes
Frequency measurement accuracy (uncertainty)
±7 ppm
Power measurement accuracy (uncertainty)
±1.5 dB
Round-trip delay Displayed in milliseconds (ms)
Fractional T1 Contiguous and non-contiguous: N x 64
DS3 Transmitter
Modes Terminate, Through, Through no Gen
Framing C-bit, M13, unframed
Line coding B3ZS
Tx bit rate 44.736 Mbit/s ± 20 ppm
Tx levels DSX, DSX-HI
Error inject Bit errors, F-bit, C-bit, P-bit, BPV, Ex-Zeros: single, burst and continuous
Patterns 2E23-1, 2E20-1, 2E15-1, QRSS, 3 in 24, Idle, 1010, 1111, 1100, 1000, AIS, RAI
Loopbacks Local, CSU/NIU, FEAC, COT, COT (alternate-2), COT (alternate-1), DS3 Repeater
FEAC codes Transmits any of 11 FEAC codes
Standards G.703, G.775, TSY-009-000499, T1.404, T1.102, T1.107
Tx pulse amplitude 0.36 V to 0.85 V