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Appendix A
Technical Specifications
Table A-12 FRSM-2T3E3 Front Card Physical Characteristics
Feature
Power
Card Status Indicator LEDs
Line Status Indicator LEDs
Reliability
Card Size
FRSM-2T3E3 T3 Line
The T3 line characteristics appear in
Table A-13 T3 Line Level
Feature
Number of T3 Lines
Line Interface
Connector
Line Rate
Line Coding
Transmit Timing
Input Jitter Tolerance
Output Jitter
Output Pulse
T3 Framer Level
For the framing characteristics of T3 operation, the FRSM-2T3E3:
•
•
•
•
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Significance or Value
Two
75 ohm BNC
44.736 Mbps +/- 20 ppm
B3ZS
Normal or Loop timed
Per GR-499-CORE, ITU-T G.824
0.05 UI maximum with jitter-free input clock
Per ANSI T1.102
Supports C-bit parity and M13 DS3 format.
Frames to a DS3 signal with a maximum average reframe time that meets the requirements set by
TR-TSY-000009 and GR-499-CORE.
Detects the alarm indication signal (AIS) in milliseconds in the presence of a 10
When in-frame, indicates M-bit or F-bit framing errors as well as P-bit errors. In C-bit parity mode,
it also indicates both C-bit parity errors and far end block errors.
Significance or Value
–48 VDC, 60W (estimated)
Active (Green),
Failed (Red),
Standby (Yellow)
Active & Okay (Green),
Active & Local Alarm (Red),
Active & Remote Alarm (Yellow)
> 85000 hours MTBF (target)
Front card: 7.25 inches by 15.83 inches (18.42 cm by
42.75 cm)
Back cards: 7.25 inches by 4.125 inches (18.42 cm by
10.48 cm)
Table
A-13.
Cisco MGX 8230 Edge Concentrator Installation and Configuration
FRSM-2T3E3 Specifications
-3
bit error rate.
A-11
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