CiTRANS R820 Edge Router Hardware Description
4
Collects and distribute single-card configurations, alarms, and
performance data.
u
Service access and switching functions
4
Provides a switching capacity of 26G.
4
Processes packets, for example, identifies, terminates, encapsulates, and
discards packets and performs unicast and multicast processing for
packets.
4
Implements different types of protection, such as 1:1 tunnel, LAG, PW
redundancy, LDP FRR, IP FRR, VPN FRR, MPLS TE FRR, and VRRP.
4
Supports OAM at four layers: link layer, tunnel layer, PW layer, and
Ethernet service layer.
4
Supports the hierarchical QoS function.
u
Time and clock synchronization functions
4
Provides the 25 MHz (single-ended TTL) system clock and the 8 kHz
frame timing clock required by each card.
4
Supports synchronous Ethernet interfaces.
4
Supports the interface for synchronizing external frequencies and
implements input and output of E1 HDB3 or E1 Hz clocks.
4
Support IEEE 1588v2.
4
Supports the external time interface TOD and can use this interface to
issue or receive the time.
Panel Description
Figure 5-6 shows the panel of the SCUS1/SCUS2/SCUS3 card.
5-8
Version: A
