Watson
Subrack Control Unit
The Watson Subrack Control Unit (SCU) is a
of Watson modems anywhere in the network without
universal local and remote management agent for
the need to access the modems on site.
the entire family of Watson DSL modems.
The SCU can manage all Watson modems and
It has interfaces for local access to the modems in
subracks. It is supported by Schmids DSL
a subrack (serial interfaces, alarm contacts) and
management system WEM-2. Two Ethernet ports
provides for remote access through Telnet, SSH
are available for cascading of several SCUs at a site,
and SNMP.
allowing to manage multi-subrack installations from
The SCU opens new dimensions of compatibility
a single IP/Ethernet interface.
and flexibility: standardized Management
The SCU is the ideal solution for carriers who need
Information Bases (MIBs) make integration into
to integrate their Watson modems into a centralized
existing standards-based management systems
network management system, reducing their
easy. And its flexible architecture allows new
operational cost and improving their service quality
Watson modems to add new managed objects to
levels.
the SCU without the need to update the SCU
The SCU is one more way Schmid brings you
firmware.
innovation and technology leadership you can rely
The SCU supports remote firmware download,
on for all of your transmission needs. All backed by
making it possible to remotely upgrade the firmware
Swiss quality and by worldwide service and support.
Technical Specifications
Serial Interfaces (F Interfaces)
Remote Firmware download
2 x RS-232, 9-pin SubD connector (1 x DTE, 1 x DCE)
Protocols: TFTP, FTP, HTTP
Management Interfaces (Q Interfaces)
Firmware download to SCU, to Watson plug-in modems in the
subrack and to remote modems/regenerators over the DSL link
2 Ethernet Interfaces
IEEE 802.3 Ethernet
10/100 Mbps half/full duplex, Auto-Sensing, Auto-Crossover
Transparent bridging between Ethernet interfaces
Single VLAN tag IEEE 802.Q
Rapid Spanning Tree IEEE 802.1d
Management Protocols
Watson Monitor over RS-232
Watson Monitor over Telnet and SSH
SNMPv1 RFC 1157
SNMPv3 RFC 3410
Alarm Outputs
Connector RJ-48
Two dry contacts: urgent alarm, non urgent alarm
External Clock input
BNC 75 Ω, galvanically isolated
2.048 MHz, 0.6 .. 1.5V
ITU-T G.703 Section 10
Power Supply
48 .. 60 VDC (-17/+20%)
Supported Modems
Environmental Conditions
Watson 2, 3, 4, 5
Watson TDM
Watson Ethernet
Storage
Transportation
EN 300 019-1-1 class 1.2 (-25 .. +55 °C)
EN 300 019-1-2 class 2.2 (-25 .. +70 °C)
Operation
EN 300 019-1-3 class 3.2e (-5 .. +55 °C)
Watson Ethernet Multiservice
Safety
EMC
EN 60950
EN 300386-2, ES 201 468 Level 2
Supported Subracks
19" subrack SZ.379
19" minirack mechanics SZ.876
Ordering Information
SZ.366.V350 Watson Subrack Control Unit
MIBs
RFC 1213, RFC 4188, RFC 4133, RFC 3635, RFC 2863,
RFC 4318, RFC 4313, RFC 4313
Schmid MIB, Watson MIB, HDSL MIB, CMU MIB
Application
Copyright © 2009-08-25 Schmid Telecom AG. Specifications are subject to change without notice.
Schmid Telecom AG
Binzstrasse 35
8045 Zurich, Switzerland
Tel
+41 44 456 11 11
Fax
+41 44 466 92 92
www.schmid-telecom.com
dsl@schmid-telecom.ch