Installation & Operation Manual 98 Document # LTRT-92224
Mediant 8000
15.7 Preparing the PSTN Network Connectivity
Prepare the PSTN Network connections that will be used for connecting the Mediant
8000 Gateway to the other PSTN equipment. The PSTN network connection type
depends on the type of the Media Gateway boards installed in the Mediant 8000
Gateway:
TP-6310 STM-1/OC-3 fiber links or T3 trunks
TP-8410-E1/T1 trunks
15.7.1 Preparing the STM-1/OC-3 PSTN Connections
For STM-1/OC-3 PSTN connections, perform the following checks:
1. Check that the STM-1/OC3 interface bit-rate is 155Mbps.
2. Verify that the provided link is behind the Add-Drop Multiplexer (ADM). The STM-
1/OC-3 interfaces on Mediant 8000 are designed to support point-to-point
topology only. They cannot be part of the SONET/SDH ring.
3. Verify that provided STM-1/OC-3 links have the following multiplexing hierarchy:
• VC12 for SDH
• VT1.5 for SONET
4. Investigate APS (Automatic Protection Switching) capabilities of the connected
STM-1/OC-3 PSTN equipment.
5. Investigate the clock synchronization plan of the site.
15.7.2 Preparing the T3 PSTN Connections
For T3 PSTN connections, perform the following checks:
1. Verify the framing method of the provided T3 trunks.
2. Investigate the clock synchronization plan of the site.
15.7.3 Preparing the E1/T1 PSTN Connections
For E1/T1 connections, perform the following checks:
1. Verify the framing method of provided E1/T1 trunks.
2. Investigate the clock synchronization plan of the site.
15.8 Installing the EMS Server and Client
AudioCodes Element Management System (EMS) is used for performing configuration
and management tasks on the Mediant 8000. The EMS consists of two components –
the EMS server and the EMS client – that must be installed on the site prior to
installing the Mediant 8000 system.
See the “EMS Installation and Operation Manual” for detailed instructions.
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