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Table 1. LIM3-1 Module Specifications
Specification
Slot configuration
Dimensions
System Environmental
Weight
Connector
Pin Configurations
Module Placement
Installing the Module
®
PacketStar
PSAX Multiservice Media Gateways
PSAX 1000 3-Port Line Interface Module Description and Specifications
Slot 4 on rear panel
18.8 cm W by 10.4 cm D by 2.3 cm H
(7.4 in. W by 4.1 in. D by 0.9 in. H)
•
Operating temperature range:
For AC-powered systems: 0° to 50° C (32° to 122° F)
For DC-powered systems: -20° to 60° C (-4° to 140° F)
with a cold start minimum of 0° C (32° F)
•
Operating humidity range:
•
Operating altitude range:
level to 4,000 meters (13,123 feet) above sea level
•
Storage temperature range:
•
Storage humidity range:
0.32 kg (0.7 lb.)
Six BNC (3 TX, 3 RX), 75 ohm unbalanced termination
The LIM3–1 module includes three pairs of BNC connectors (TX/RX) for the
three ports used to interface the DS3/E3/STS-1e network with the protection
modules. Each connection has a 75-ohm unbalanced termination.
Note:
The LIM3–1 module provides the physical connections for the N:1 traf-
fic protection modules; the protection modules do not have port con-
nections.
The LIM3–1 module is installed only in the rear panel slot labeled
the PSAX 1000 chassis. The associated PSAX protection modules are installed
only in the front panel slots labeled
module).
Perform the following procedure to install the LIM3–1 module in the chassis.
Note:
If the LIM blank faceplate is already installed in the rear-panel slot,
Slot 4
, remove the faceplate by loosening the two srews or see the pro-
cedure in the PacketStar
tion Guide.
Installing the Blank LIM Faceplate
Begin
1 Remove the LIM3–1 module from its box and protective packing material.
Save these materials for future use, if needed.
2 Insert the module into
Description
5% to 85% relative humidity
60 meters (197 feet) below sea
-40° to 70° C (-40° to 158° F)
0% to 90% noncondensing
(working module) and
4
®
PSAX 1000 Multiservice Media Gateway Installa-
.
LIM Slot 4
LIM Slot 4
of
(protection
15
LIM
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