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T1/DS1 (1.544 Mb/s)
General
This interface is suitable for plugging into the J2300C/D
Advisor mainframe and the J2900A High Speed undercradle. The J2298B has
RJ-48C connectors. These modules handle cell and frame-based technologies,
i.e. ATM, Frame Relay, ISDN, HDLC, X.25, PPP, and BERT. These interfaces
do not support Frame Relay CIR and SLA measurements.
Common to Inputs and Outputs:
Connectors:
- J2298B: balanced 100 Ohm RJ-48C and WECO mini-Bantams
Line Code:
Framing:
- ATM:
Extended Super Frame (ESF)
- WAN:
Extended Super Frame (ESF)
D4 (Super Frame) Ft and Fs, or Fs only
Fractional, any multiple of 56 kbps or 64 kbps channels
Unframed 1.544 Mbps
- Cell Mapping:
Direct (normal mode, ITU-T G.804) and PLCP (obsolete mode)
- Cell Scrambling:
Conforms to ITU-T I.432.1 (x 43 + 1) and may be turned on or off
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