User Guide

61
Installation Guide: 601, 602, and 604 Routers
WAN Interfaces
The following tables provide specifications for T1 WAN and E1 WAN interfaces.
Table 19 Performance Monitoring
Statistics Storage
Statistics for the last 24 hours in 15-minute increments
Statistics for 24-hour increments
Reporting
G.821 performance reports
Alarm history
Interface statistics
Alarms
RRAI
receive yellow
TAIS
transmit alarm indication signal
TRAI
transmit yellow
RAIS
receive alarm indication signal
RLOF
receive loss of frame
LORC
loss of receive clock
RLOS
receive loss of signal
Threshold alarms
Table 20 T1 WAN Interface
Receive line rate 1.544 Mbps ± 32 ppm
Line code b8zs or ami
Framing d4 or esf
Interface ESF FDL AT&T TR-54016-1986
AT&T TR-54016-1989
ANSI T1.403-1989
Input signal DSX-1
0 to – 24 db
Output signal 0
–7.5 db
– 15 db
Equalization 0 to 655 ft. (DSX-1)
Impedance 100 ohm
Connectors RJ-48C
Timing internal
network
Pulse density AT&T TR-62411; HDLC Inversion, forced