T-VIPS CP525 cMux, User Manual

Page: 53 / 292

Functional Description 53
ID: um_tsmux CP525 cMux User’s Manual Rev. 5.20.12 (3944)
Alarm Manager
Virtual Relays
Output Mute Controller
State
Machine
Logic
Virtual relay 1
Virtual relay 2
Virtual relay N
Current
alarms
Criterion 1
Criterion 2
…
…
...
Criterion N
Mute signal
Figure 5.18 Output Mute Block Diagram
Once an action is taken by the muter, the controller enters a hold state in which no further
actions are taken. The time to stay in hold state can be specified with separate values for
entring a mute and exiting a mute.
The user can configure whether to require manual interaction to unmute once muted, or if the
controller should do this automatically once all criteria turn inactive.
5.17 The SFP module
The SFP module (SFP = small form-factor pluggable) is a third-party product providing an extra,
optional interface to the CP525. Depending on the module type it may act as a direct bridge
to E3 and T3 telecom network lines using coaxial cable, or provide a high-speed STM-1/OC-3
optical interface employing single or multi-mode optical fibre.
Figure 5.19 A
typical SFP module
An SFP module may be configurable or non-configurable. Using a configurable SFP module the
parameters relevant to its operation are controlled through the CP525 WEB interface. Control
information is passed to and from the SFP module using the I
2
C protocol.
A wider range of settings are available using the SFP module internal WEB server. To access the
internal WEB server an SFP configuration adapter is required. For further information on this,
and for detailed technical specifications, refer to the vendor’s manual for the specific device.
The CP525 provides a slot to accommodate an SFP module. Access to the SFP interface is
possible if the SFP software is installed and the feature key has been licensed (see section
Section 8.4.9 ).