Switch User's Guide

Troubleshooting
CSX400 and CSX400-DC User’s Guide 207
Table 27 CSX400 WAN LED States for STS 1
WPIM Color State
T1, DI, and E1
OFF Normal or port disabled
RED Red alarm
DDS
OFF Normal or port disabled
AMBER Out of service (OOS)
SYNC
OFF Inactive or disabled
GREEN Request to send (RTS)
HDSL
OFF Port disabled or in loopback mode
RED
Loop 1 not synchronized, in T1 and
Fractional T1 mode
GREEN Loop 1 synchronized
S/T
OFF B1 not active or port disabled
GREEN B1 active
Table 28 CSX400 WAN LED States for STS 2
WPIM Color State
T1, D1, and E1
OFF Normal or port disabled
AMBER Yellow alarm
DDS OFF Normal or port disabled
SYNC
OFF Inactive or disabled
GREEN Clear to send (CTS)
HDSL
OFF
Port disabled, in Loopback mode, or
Fractional T1 mode
RED Loop 2 not synchronized (T1 mode only)
GREEN Loop 2 synchronized (T1 mode only)
S/T
OFF B2 not active or port disabled
GREEN B2 active