ADTRAN Total Access OC-3 L3, Установка и эксплуатация

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2 61181031L3-5A
Features
The OC-3 MUX module (P/N 1181031L3) includes the
following features:
• Grooms any one of the three STS-1s within the
OC-3 signal, between two standard DS3 interfaces,
or 28 DS1 channels (M13 Multiplexer).
• Provides transmit and receive coaxial interfaces via
two standard DS3 (44.736 Mb/s). Requires use of
Quad BNC module (P/N 1181007L1 or L2).
• Carries DS3 contents via each STS-1, where one
STS-1 can be demultiplexed into 28 DS1 channels
(VTs not supported).
• Detects and indicates standard SONET alarms and
loopback conditions and supports detection and
indication of chosen DS3-level alarms and
loopback conditions.
• Provides timing modes: External, DS-1, Line from
OC-3.
• Provides SONET Minimum Clock (SMC) with ±20
ppm accuracy.
• Supports S1 synchronization status messages on
the OC-3 interface.
• Provides a 1+1 OC-3 equipment and facility protec-
tion switching relationship.
• Provides a 1:1 DS3 equipment protection switching
relationship.
• Supports protection switching of DS3 and DS1
drops on SONET facility, path, and equipment
faults.
• Supports OC-3 terminal point-to-point mode only.
• Provides OAM&P interface via System Controller
Unit (SCU) OS interface.
• Supports TL1 and SNMP management.
• Provides OC-3 facility (line) and terminal (local)
loopback modes.
• Provides DS3 facility and terminal loopback
modes.
• Provides a 1:1 access module protection relation-
ship.
• Offers DCC capability on the OC-3 interfaces to
provide remote management through TL1 over
SONET network.
• Includes the following front panel-mounted
controls: APS (Automatic Protection Switching),
TEST/ENABLE
• Operates over a standard temperature range of
−
40ºC to +65ºC.
• Automatically detects operation in Total Access
3000/3010 shelf.
• Meets NEBS Level 3, GR-1089-CORE, and
UL 1950 requirements.
• Meets applicable SONET requirements
(GR-253-CORE).
• Provides full Performance Monitoring at OC-3
Section, Line, and Path Level.
• Provides Line Performance Monitoring at two
subtended DS3s.
• Offers software-upload capability.
2. INSTALLATION
After unpacking the OC-3 MUX, inspect it for damage.
If damage has occurred, file a claim with the carrier,
then contact ADTRAN Customer Service (refer to
Warranty and Customer Service on page 26). If
possible, keep the original shipping container for
returning the OC-3 MUX for repair or for verification of
shipping damage.
Instructions for Installing the Module
The Total Access OC-3 MUX plugs directly into the
Total Access 3000 (23-inch) shelf or the Total access
3010 (19-inch) shelf. Both are rack mounted chassis,
with 28 access module slots on the Total Access 3000
and 22 access module slots on the Total Access 3010.
Both chassis provide two multiplexer slots (A and B)
and a system controller unit slot.
To install the OC-3 MUX, perform the following steps:
1. Pull the ejector tab on the bottom of the OC-3
MUX into the down position.
2. Hold the OC-3 MUX by the front panel while
supporting the bottom edge of the access module
and align the access module edge with the guide
groove in the chassis.
3. Insert the OC-3 MUX halfway into the A or B slot.
4. Connect the RECEIVE fiber to the left SC
connector.
5. Connect the TRANSMIT fiber to the right SC
connector.
C A U T I O N !
SUBJECT TO ELECTROSTATIC DAMAGE
OR DECREASE IN RELIABILITY.
HANDLING PRECAUTIONS REQUIRED.