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Safety Information
Hardware Features Supported
Description of the Module
Functional Description
Hardware Specifications
Page 2 of 6
When installing the LIM3–1 module, follow the safety guidelines provided in the
®
PacketStar
PSAX Multiservice Media Gateway Safety Guidelines, which accompanies
this product, to help prevent serious personal injury and damage to the module.
Please read all warnings and instructions supplied before beginning installation of
the module. In addition to the general safety information provided, you should
also refer to the PacketStar
for other important safety information and procedures.
The LIM3–1 module supports all hardware releases and features of the
PSAX 1000 system. For a list of N:1 traffic protection modules currently available,
®
refer to the PacketStar
Library CD-ROM that came with your system software.
Note:
Within a given protection group, the same type of module must be
used for both the working modules and the group's protection module.
The LIM3–1 module provides three sets of BNC connectors for transmission and
reception of DS3, E3, and STS-1e traffic. It also provides loss of signal indicators
and relays to control traffic flow. The LIM3–1 module is only installed in one rear
panel slot (
) of the PSAX 1000 chassis on a one-for-one basis with the
LIM SLOT4
PSAX protection modules installed in the front panel slots (
the LIM3–1 module direct the traffic flow between the working module and the
protection module in normal operation and during a switchover.
The 1:1 Traffic Protection feature supports the configuration of one protection
pair for the PSAX 1000 system, with the group containing one working module,
one protection module of the same type for the group, and one LIM3–1 module
for both PSAX protection modules.
Under normal conditions, the working module in a protection group is in active
mode, exchanging traffic, and the protection module is in standby mode.
The LIM3-1 module specifications are given in Table 1.
®
PSAX 1000 Multiservice Media Gateway Installation Guide
PSAX Multiservice Media Gateways Product Information
PacketStar
PSAX 1000 3-Port Line Interface Module Description and Specifications
4
and
15
). Relays on
®
PSAX Multiservice Media Gateways
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