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Line Interface Modules
DS3-2C Overview
The DS3-2C LIM is a two port DS3 LIM for ATM transport that can be used with
a variety of controllers listed in
Front Panel indicators
•
IS illuminates when link is in-service.
•
OS illuminates when link is out of service. Glows dimly when the LIM is in a
not communicating correctly with the Slot Controller.
•
LB illuminates during line loopback tests.
•
RD illuminates when there is a receive (red) loss of frame alarm or loss of
signal.
•
BL illuminates when there is a receive blue alarm indication signal (AIS)
alarm.
•
LS illuminates when there is a receive loss of signal alarm.
•
YL illuminates when there is a receive yellow alarm (FERF- Far End Receive
Failure).
•
ER illuminates when there is an error on the link receive line. (A parity error
is an example of an error that causes ER to light.)
Front Panel Connectors
• The DS3-2C LIM uses one 75-ohm coaxial cable each for transmit and receive,
following
•
LINK 0 TX is a 75-ohm BNC connector for the link 0 transmit line.
LINK 0 RX is a 75-ohm BNC connector for the link 0 receive line.
•
LINK 1 TX is a 75-ohm BNC connector for the link 1 transmit line.
LINK 1 RX is a 75-ohm BNC connector for the link 1 receive line.
•
IMPORTANT! Refer to
(Figure
5-25) to comply with all domestic and international standards.
Figure 5-8
032R440-000
Issue 17
Table
1-4.
law. (Insertion loss per ANSI T1.102, Figure-9.)
F
Class A EMI-RFI Suppression Requirements
DS3-2C LIM Front Panel Features
Xedge 6000 Hardware
Installation & Setup Guide
DS3-2C Overview
DS3-2C
LINK 0
TX
RX
L0
L1
IS
OS
LB
RD
BL
LS
YL
ER
TX
RX
LINK 1
5-15
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