T1 And E1 Line Cards Description - Paradyne 8995 Installation And User Manual

T1 and E1 Line Cards Description

The Models 8995 and 8997 line cards can be used in any 8620 or
8820 Broadband Loop Carrier (BLC) managed by a Shelf
Concentration and Processing (SCP) card.
Physical Description
Each 8995 or 8997 access line card connects through one
50-position Telco connector (RJ48M) on the rear of the chassis. Each
supports:
Short haul and long haul configurations
Surge protection for standards compliance
Local and remote loopback testing functions
Selectable test patterns
Loopbacks and statistics
Each 8995 T1 line card supports:
ESF framing
B8ZS line code
Each 8997 E1 line card supports:
G.703 framing
HDB3 line code
75 Ohm or 120 Ohm operation
ATM Features
ATM features include support for:
Four service categories:
— Constant Bit Rate (CBR)
— Real-Time Variable Bit Rate (rt-VBR)
— Non-Real-Time Variable Bit Rate (nrt-VBR)
— Unspecified Bit Rate (UBR)
24 virtual circuits (VCs) per port
Virtual Path (VP) switching
Traffic shaping by virtual circuit (VC) or logical port
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