Number of ports
Frame format
Frequency Offset
BER Test patterns
Line build out
Alarm Insertion
Error Insertion
11.3.2.3 PDH
Max. 2
Non PCM frame
Bit rate : Refer to Bit Rate.
Framed
Bit rate (Format)
E1 2.048Mbit/s (30,31ch with or without CRC4, Sa-bit, CAS)
E3 34.368Mbit/s (G.751)
E4 139.264Mbit/s (G.751)
DS1 1.544Mbit/s (T1.107, SF/ESF/Japan ESF, CAS)
DS3 44.736Mbit/s (T1.107, M13/C-bit)
Mux/DeMux
E1 n*64kbit/s
DS1 n*64kbit/s or n*56kbit/s
±125 ppm 1 ppm step
PRBS:
E1
2
6
-1, 2
7
-1, 2
9
-1, 2
11
-1, 2
15
-1, 2
20
-1, 2
23
-1, QRSS 11, QRSS 20
E3/E4
2
9
-1, 2
11
-1, 2
15
-1, 2
20
-1, 2
23
-1, 2
29
-1, 2
31
-1, QRSS 20
(2
29
-1, 2
31
-1 and QRSS 20 are only available for E4.)
DS1/DS3
2
9
-1, 2
11
-1, 2
15
-1, 2
20
-1, 2
23
-1, 2
29
-1, 2
31
-1, QRSS 20
Fixed : User Pattern (32bis, 2048bits), All0, All1, 1 in 1, 1 in 3, 1 in 7, 3 in 24,
Fox Pattern
(Fox Pattern is not available for E4.)
Logic : Normal, Inverse
DS1
0 dB, -7.5 dB, -15 dB, -22.5dB, 1-133 ft, 133-266 ft, 266-399 ft, 399-533 ft,
533-655 ft
DS3
High-0 ft, DSX-450 ft
Item
E1
No Signal, AIS, No Frame, Distant Alarm, Pattern sync loss, No CAS MFAS,
Distant MF Alarm
E3/E4
No Signal, AIS, No Frame, RDI, Pattern sync loss
DS1
LOS, AIS, RAI, OOF, LLS
DS3
LOS, AIS, RAI, LOF, Idle, LSS
Item
E1
FAS, FAS and NFAS, FAS word, CRC4, CRC4 MFAS, Code, Pattern error,
CAS MFAS, E-Bit, Pattern slip, Frame slip, Transparent
E3/E4
Frame, Code, Pattern error, Pattern slip (Code is only available for E3.)
DS1
Pattern error, Pattern slip, CRC-6, F-Bit, S-Bit, BPV, EXZ
DS3
Pattern error, Pattern slip, FEBE, C-Bit, F-Bit, P-Bit, BPV