Software Architecture; Figure 4-8 Front Panel Of Clock Module - Zte ZXR10 5900E Product Description

4. Supports SyncE based on physical layer clock recovery
5. Supports automatic switchover between different reference sources.
6. Supports Stratum 2 clock holdover.
7. Provides external 1-port BITS IN, 1-port BITS OUT, 1-port GPS input (PPS&TOD IN)
and 1-port GPS output (PPS & TOD OUT).
There are 6 indicators on the clock module panel, which are BTIS IN, BITS OUT,
PPS&TOD IN green and yellow, and PPS&TOD OUT green and yellow.The front panel
of clock module is shown as follows:

Figure 4-8 Front panel of clock module

4.3

Software Architecture

ZXR10 5900E series products are multi-layer switches with L2 switching and L3 routing
capabilities and support for multiple functions, providing L2/3 wire speed switching and
routing and QoS assurance. The system software performs management, control, and
data forwarding. Its basic operations include system start, configuration management,
running of protocols, maintenance of tables, setting switch chips, and status control, as
well as software forwarding of some special packets. The system software must
implement the following functions:

Implementing major L2 protocol functions, including 802.1D STP protocol, 802.1P
priority control, related functions of 802.1Q VLAN, and 802.3ad link aggregation
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ZXR10 5900E Product Description
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