Fore Systems ES-2810, Руководство пользователя

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ES-2810 ATM Uplink Module User Manual A - 1
APPENDIX A
Technical Specifications
This appendix provides hardware and general specifications for the following
ATM Modules:
• 155 Mbps OC-3c/STM-1 multi-mode
• 155 Mbps OC-3c/STM-1 single-mode
• 155 Mbps OC-3c/STM-1 UTP
A.1 155 Mbps OC-3c/STM-1 MM
The following specifications apply to the 155 Mbps multi-mode ATM Module
(ATM-1/155 MMSC):
Description Specification
Number of Connections Three: 1 SIM connector, 1 ATM-Stack connector,
and one SONET/SDH ATM uplink port
ATM Uplink Data Rate 155.52 Mbps
Maximum Line Length SIM and ATM-Stack: 39 inches (1 meter)
ATM uplink port: ~2 km (2000 meters)
Connector Type SIM and ATM-Stack: 26-position shielded plug
ATM uplink port: duplex SC
Media Type SIM and ATM-Stack: stacking cable
ATM uplink port: multi-mode fiber (62.5/125
µ
m)
Table Size LE_ARP_CACHE at least 2000 addresses
VCC Support up to 4096 VCCs
Dimensions W: 5.9 in. (149 mm)
H: 1.5 in (37 mm)
D: 9.4 in. (238 mm)
Weight 9 ounces (.25 kg)
Framing STS-3c-STM-1
Timing Internal or from the incoming 8 KHz timing
marker
Optical Power -14 to -20 dBm transit power, -14 to -30 dBm
receive sensitivity, 0 to 10 dB path attenuation