- Foundry Router Installation Guide

Specifications
June 2004 © 2004 Foundry Networks, Inc. A - 3
WAN Interfaces
The following tables provide specifications for T1 WAN and E1 WAN interfaces.
Table A.3: 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