Ceragon FA4800, Руководство пользователя

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IDU Appendix A
FA4800 User Manual Release 1.9.30 A-4
Type
E1/T1 configurable by FibeAir2000 Manager
Framing
Unframed (transparent)
Timing
Independent timing per port, Tx and Rx
Connector
RJ-45
Standards Compliance
ITU-T G.703, G.826
Line Code
E1: HDB3 @ 2.048 Mbps, T1: B8ZS/AMI @ 1.544 Mbps
Latency
Configurable 5-20 msec
Impedance
E1: 120 Ω , balanced, T1: 100 Ω , balanced
Jitter & Wander
According to ITU-T G.823, G.824
Jitter Buffer
Jitter Buffer configuration enabling a latency from 5msec to 16msec for
interference immunity confront
Clock Recovery Resolution
0.05ppb
Clock stability
20ppm as clock master (crucial for wander requirements of cellular operators)
Table A-11: LAN Interface
Ethernet ports
Ports: 2
10/100BaseT with Auto-Negotiation (IEEE 802.3u)
Framing/Coding IEEE 802.3
Connector RJ-45
Line Impedance 100 Ω
SFP port (IDU-C only)
1 port, Type: Fast Ethernet
VLAN Support
Transparent
Maximum Frame Size
2047 Bytes
Bridge
Layer 2, self-learning of up to 2047 MAC addresses (IEEE 802.1Q), hub/Bridge
selectable mode
Latency
3 msec
Table A-12: Special Features
Dry Contact Alarms
4 4 Outputs; Configurable by the FibeAir2000 Manager
Monitored Hot Standby (IDU-C only)
Supported
Table A-13: Mechanical
IDU-C IDU-E
Style
1U 19” Rack mounted Half 19” wall mounted or desktop
Dimensions
43.6cm(W) x 21cm(D) x 4.4cm(H) 22cm(W) x 17cm(D) x 4.4cm(H)
Weight
1.5 kg/3.3 lbs 0.5 kg/1.1 lbs
Table A-10: TDM Interface (Continued)
IDU-C IDU-E