SRM-T1/E1 Specification
SRM-T1/E1 Specification
T1/E1 Line Interface Connector:
Line Rate:
Transmit Clocking:
Input Jitter Tolerance:
Physical Layer Alarms:
Physical Layer Performance Statistics:
Indicators:
•
•
•
•
Maintenance/Serviceability Features:
•
•
•
Cisco MGX 8220 Installation and Configuration
B-8
Per Card:
BERT:
1 to N Redundancy:
Indicator for each T3:
Reliability:
Card Size:
Power:
BNC-3T#
Standby SM requires a special line module:
R-DB15-4T1 if active cards use DB15-4T1
R-DB15-4E1 if active cards use DB15-4E1
R-BNC-4E1 if active cards use BNC
R-RJ48-8T1 if active cards use RJ-48-8T1
R-RJ48-8E1 if active cards use RJ-48-8E1
R-SNB-4E1 if active cards use SMB-8E1
T1: 1.544 Mbps ±75 bps (50 ppm)
E1: 2.048 Mbps ± 100 bps (50 ppm)
Normal or looped timed
Per AT&T Accunet T1.5 Service 1990 - T1
Per G.703 - E1
Indicated in service modules
N/A
Active (green), failed (red), standby (yellow)
Active (green), errors (yellow)
Active (green)
Active (green)
DS1 Loopback toward service modules
Hot pluggable
>85000 hous MTBF
Front card: 7.25 in. x 16.25 in.
Back card: 7 in. x 4.5 in.
48V DC, 50 W
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix B
Specifications