ADTRAN 3000 - Manual (Page 121)

Appendix B. Status Buffer Messages
61203153L2-20 Express 3000 User Manual B-7
L1 not up
The network interface is not active.
L2 not up
The data link layer interface is not active.
L3 not up
The call control interface is not active.
L2 #2 not up
The data link layer interface for a second call (BONDING) is
not active.
L3 #2 not up
The call control layer interface for a second call (BONDING)
is not active.
LDN TOO LONG
The local directory number entered has too many digits.
Login failed
Unable to connect to remote unit on remote configuration at-
tempt.
MANDATORY_IE_LEN_ERR
Mandatory information element length error.
MANDATORY_IE_MISSING
Mandatory information element missing.
MULTILINK PPP UP
Unit connected with Multilink PPP.
Need 64K call
The BONDING protocol requires the Express 3000 to be con-
figured for 64K data call types.
NETWORK BUSY
The ISDN switch is busy and unable to process a call.