User's Manual

WinLink User and Installation Guide Version 1.795 2-16
Ethernet Services
The WinLink LAN port provides 10/100BaseT interfaces with auto-
negotiation and transparent VLAN support. Traffic handling is provided
by a MAC level self-learning bridge. Ethernet services include:
• 1 or 2 Ethernet interfaces in the indoor units
• 10/100BaseT with auto-negotiation (IEEE 802.3)
• Layer 2 Ethernet bridge
• Self-learning of up to 2047 MAC addresses (IEEE 802.1Q)
• Support of 1+1 applications (HUB/Bridge selectable mode)
• Up to 18 Mbps symmetrical net throughput
• VLAN transparent
• Latency < 3msec
• Retry mechanism for loss-less connection (Fast ARQ)
TDM (E1/T1) Services
The WinLink TDM interface accepts E1 or T1 traffic, supporting
unframed operation (E1 and T1) and AMI and B8ZS zero suppression
(T1). TDM services include:
• 1 to 4 E1/T1 interfaces in the indoor units
• Standard E1/T1, compliant with ITU-T standards
• Unframed E1/T1
• BER < 1 x 10
-11
@ sensitivity threshold
• Accurate clock recovery mechanism (<50 PPB)
• One way delay < 8msec
• Advanced clock configurations