B-1
Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
A P P E N D I X
B
Specifications
BNM-T3 Specification
Intershelf Link
T3 line interface connector:
BNC connector per ANSI T1.404
T3 cable recommended:
Coax, 75 ohm, 728A or equivalent
T3 line signal:
DSX-3 Specification per ANSI T1.102 and ATT PUB 54014
T3 line rate:
44.736 Mbps
±
895 bps
T3 framing:
Asynch. C-bit Parity per ANSI T1.107a
Input jitter tolerance:
Per ATT TR 54014, Category II Equipment
Output jitter generation:
Per ATT TR 54014, Table B1, “Equipment with DS3
Oscillator” Category
PMD layer alarms:
LOS, OOF, AIS, RAI
PMD layer performance
statistics:
LCV, LES, % EFS, LSES, SEFS, PCV, PES, PSES, SEFS,
UAS
Trans. convergence protocol:
PLCP per TR-TSV-000773
TC layer alarms:
OOF, RAI
TC layer performance
statistics:
BIP8-CV, BIP8-ES, BIP8-SES, SEFS, UAS
ATM layer protocol:
Header check sum is XORed with the COSET function
(0 x 55) per CCITT I.361