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Total Access 3000 23-Inch Chassis Installation and Maintenance Practice
SPECIFICATIONS
See
Table 2
at the end of this document for complete product specifications.
Specification
–48 VDC and return connection for each of two power buses
Frame ground isolated from return to support single-point ground system; may be jumpered together.
Frame ground for all metal chassis elements
6-pin wire-wrap on backplane for logical DSX test access
6-pin wire-wrap on backplane for metallic loop testing (MLT)
Responds to 16-bit interface selection codes
28
Table 2. Total Access 3000 Specifications
Main Chassis Mechanical
Height:
Width:
Depth:
Heat Baffle Mechanical
Height:
Width:
Depth:
Input Power
Nominal:
Minimum:
Maximum:
Data I/O Connectors
Network:
Loop:
High-speed:
Power/Ground Connectors
Administrative I/O Connectors
DB-25:
RS-485:
RJ-48:
Test Access
Description
6 inches
Mounts in standard 23-inch rack. Compatible
with 25-mm hole spacing or standard EIA hole
spacing
12 inches (includes all connectors, meets NEBS
standards)
4 inches
Mounts in 23-inch rack
12 inches (meets NEBS standards)
–
48 VDC
–
42 VDC
–
56 VDC
Four 64-pin amphenols for 56 DSX-1 circuits
Up to eight 64-pin amphenols for 224 2-wire
circuits
BNC supported modular connector for DS3 and
future high-speed interfaces
Two ports for supporting TL1 and local craft
interface
Interbank communications
10Base-T Ethernet jack
61181001L1-5E
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