Raisecom
RC3000-15 (P100R001) Hardware Description
7 PDH cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
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7.3 P240×2L
7.3.1 Functions and appearance
Panel
Function
The P240×2L is an Ethernet service multiplexing card. It provides the
following functions:
Provide 2 groups of PDH optical interfaces which are enabled with
APS. Each group of PDH optical interface multiplexes 8 ways of E1
services and 100Base-TX Ethernet service; wherein, 8 ways of E1
services are allocated to the 2 groups.
Provide 8 ways of E1 services. The number of E1 services for each
group of optical interface is configurable and is 4 by default. The first
4 ways of E1 services of two groups correspond to 8 E1 interfaces on
the backplane.
Support ALS on optical interface. By default, ALS is disabled.
Support failover from the optical interface to the Ethernet interface. By
default, fault pass is disabled.
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The triggers of failover include local LOS, local LOF, remote LOF,
and remote LOF. The triggers cannot be configurable.
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When alarms are generated on the working optical interface, disable
4 FE electrical interfaces on the front panel.
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When alarms are generated on all 4 optical interfaces in all
switching working mode, disable the working FE interface.
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In Access VLAN or Tunnel VLAN working mode, you can disable
the corresponding working FE interface according to VLAN
configurations.
Support framed and unframed E1 mode. By default, framed E1 mode
is used.
Support PCM30 and PCM31 modes. By default, PCM30 mode is used.
Support signaling cross connection in framed E1 mode.
Support E1 BERT. Only one of 8 BERTs can be enabled at a time.
Support external loopback on optical interfaces.
Support E1 local bidirectional loopback.
Support network management of remote E1 module devices. E1
network management channel can be configured to SA4, SA5, or
independent timeslot; by default, it is SA5. Baud rate is configurable
and is 2400 by default.
Provide 7 Ethernet interfaces naming FE1 to FE7. Wherein,
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FE1 to FE4 are the 4 FE interfaces on the front panel. They support
automatic negotiation of duplex mode and interface rate. They also
support flow control and rate limiting.
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FE5 is the FX interface connected to the backplane. It is fixed to 100
Mbit/s in duplex mode. It does not support rate limiting.
–
FE6 and FE7 are for transmission.
Support managing remote devices, such as the RC3000 (versions B
and C), RC3000E, RCMS29 series, and RC86 series.