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APPENDIX B
Module Specifications
B-20
T3 ATM
(3 ports)
T3 ATM CT3/T3
I/O
3 BNC
75 ohm
• The line interface unit
supports two line build-outs:
› 0–68.5 m (0–225 feet)
› 69–137 m (226–450 feet)
• Signal strength is software
controlled.
• The transmitted signal
complies with ANSI
T1.102-1993: Digital
Hierarchy – Electrical
Interfaces (1999) for cable
lengths up to 201 m (660
feet).
T3 FRAME
(3 ports)
T3 FRAME CT3/T3
I/O
3 BNC
75 ohm
• The line interface unit
supports two line build-outs:
› 0–68.5 m (0–225 feet)
› 69–137 m (226–450 feet)
• Signal strength is software
controlled.
• The transmitted signal
complies with ANSI
T1.102-1993: Digital
Hierarchy – Electrical
Interfaces (1999) for cable
lengths up to 201 m (660
feet).
T3 FRAME
(12 ports)
COCX-F3 CT3/T3
12
I/O
12 BT43 SMB
(cable that adapts to
75-ohm BNC is
available)
• The line interface unit
supports two line build-outs:
› 0–68.5 m (0–225 feet)
› 69–137 m (226–450 feet)
• Signal strength is software
controlled.
• The transmitted signal
complies with ANSI
T1.102-1993: Digital
Hierarchy – Electrical
Interfaces (1999) for cable
lengths up to 201 m (660
feet).
TSM TUNNEL
SERVICE
No I/O
module
N/A N/A N/A
Table B-3 Connection information for module assemblies (continued)
Assembly
Name and
Capability
Line
Module
Label
I/O Module
Label
No. of
Ports
Connector Type Cabling Specifications