14 Hardware
T1 Interface Card
T1 is a digital transmission link with the capacity of 1.544 Megabits per second (Mbps). T1 uses
two pairs of normal twisted wires, and can normally handle 24 simultaneous voice conversations.
The T1 Interface Card is installed inside the TVS and supports 24 T1 channels. The T1 Interface
Card supports E&M, DID, DNIS, ANI, Ground Start, and Loop Start. A maximum of two T1
Interface Cards can be installed in the TVS. The following table shows the number of T1 channels
and Analog CO lines that can be configured for each T1 card installed in the TVS.
Number of T1
Cards
T1 channels Maximum
# of PEUs
Maximum
Analog CO lines
Maximum
Total Ports
0 0 12 96 192
1 24 10 72 184
2 48 8 48 176
T1 Interface Card
Hardware Specifications
Dimensions: 13.5" x 4"
Weight: 10 oz.
Power Requirement: +5 Vdc from ISA Bus
Adapter Specifications: RJ-48
Architecture: 8-bit Industry Standard Architecture (ISA)
Standards Compliance: FCC Part 15; UL1459
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