Specifications

152 Hardware Description and Reference for Avaya Communication Manager
● Lightning protection
In addition to correct earthing, sufficient lightning protection must be included at the site in
order to prevent damage to the equipment. Damage can result either from a direct strike of
lightning or from propagated high voltage surges.
In order to avoid damage caused by lightning surges, installation of equipment should be
compatible with Class 3 classification as defined by EN61000-4-5 Annex B, where the
surge level may not exceed 2kV.
● Altitude: up to 3048m (10,000 ft)
● Earthquake: zone 4
● Rack requirements
- Telco rack: 19-inch
- Space: as per GR-63-CORE; maintenance access 762 mm (2 ft 6 in); wiring access 610
mm (2 ft)
Electrical aspects
The main midplane routes all signals and power to and from the plug-in boards residing in the
slots, in both the front and rear sections of the chassis. Each slot is equipped with a key on the
midplane to match the appropriate board type in order to prevent inserting a wrong board type
into the slot.
Related hardware and adjuncts
Ethernet switch
All of the VoIP traffic (media and signaling) is routed between the gateway and the IP network
via the Ethernet switch. The media gateway board communicates with the Ethernet switch via
two redundant 100/1000 Mbps cPSB links.
The SC boards communicate with the Ethernet switch via two redundant 100 Mbps cPSB links.
This configuration ensures redundant operation protection upon failure of any of the
communication elements.
Both Ethernet switch boards are interconnected according to the PICMG 2.16 cPSB standard in
a dual-star configuration, with one ES board in active mode and the other in standby mode. This
configuration ensures full redundant Ethernet routes to all boards in the chassis. Failure of the
active ES board automatically switches the second ES board from standby to active mode.
Each of the ES boards has two fiber optic or copper Gigabit uplink interfaces for connection to
the IP backbone network.
The ES/6600 board provides 24GbE ports, of which five are 1000 Bade-T ports for connection
to external equipment.