C-15
Hardware Specifications
C.2.8 155 Mbps OC-3c/STM-1 SM Module
The following specifications apply to network modules NM-4/155SMSRC
and NM-4/155SMLRC:
Description
Specification
Port Capacity
Four SONET/SDH ports per module
Data Rate
155.52 Mbps
Output Buffer
13,312 cell capacity
Media
Short or long reach single mode fiber
Max. Line Length
~2 km (short reach); ~40 km (long reach)
Connectors
FC
Line Encoding
Non-Return to Zero (NRZ)
Framing
STS-3c/STM-1
Clock Accuracy
±
20 ppm
Timing
Primary and secondary 8kHz reference from
internal (default) or network
Loopbacks
Transmit and receive loopbacks
Power - Short Reach
-8 to -15 dBm transmit power, -8 to -23 dBm
receive sensitivity, 0 to 8 dB path attenuation
Power - Long Reach
0 to -5 dBm transmit power, -10 to -34 dBm
receive sensitivity, 10 to 29 dB path attenuation
Core Diameter
10
µ
m
Fiber Diameter
125
µ
m
Wavelength
1310 nm
Statistics/Alarms
SONET/SDH statistics include Loss of Signal
(LOS), Loss of Frame (LOF), Loss of Pointer
(LOP), Far End Block Errors (FEBE), Alarm
Indication Signal (AIS), Far End Receive Fail-
ure (FERF), Yellow Alarm, Bit Interleaved Par-
ity errors (Line BIP-24, Section BIP-8, Path
BIP-8), Header Check Sequence errors (HCS)
Compliance
ATM Forum STS-3c UNI v3.1, ITU-T I.432,
ANSI T1E1.2/93-020, T1S1/92-185, ITU-T
G.957, Bellcore TR-NWT-000253
Содержание MMAC-Plus 9A000
Страница 1: ...MMAC Plus 9A000 SFCS 200BX SFCS 200WG and SFCS 1000 ATM SWITCH User s Guide...
Страница 2: ......
Страница 17: ...1 3 Introduction Figure 1 1 9A000 Switch Configuration...
Страница 22: ...1 8 Introduction...
Страница 26: ...2 4 Installing the 9A000...
Страница 50: ...3 24 Switch Hardware...
Страница 84: ...5 18 Hardware Maintenance Procedures...
Страница 157: ...C 31 Hardware Specifications...
Страница 158: ...C 32 Hardware Specifications...
Страница 180: ...g 22 GLOSSARY...