Since in a previous related thread I saw a request for a Session Trace, here it is. I'm not SW Support but to me this looks like NCM just sitting there doing nothing, then deciding it had timed out.
[3/21/2014 12:01:01 PM] -----------------NCM 7.2.2-------------------
[3/21/2014 12:01:01 PM] UseCustomMorePromptBehaviour: False
[3/21/2014 12:01:01 PM] MorePromptKey:
[3/21/2014 12:01:01 PM] Login Attempts: 1
[3/21/2014 12:01:01 PM] Custom UserName Prompt:
[3/21/2014 12:01:01 PM] Device Template: Cisco IOS-1.3.6.1.4.1.9.ConfigMgmt-Commands
[3/21/2014 12:01:01 PM] System Name: coolswitch.mynetwork.local
[3/21/2014 12:01:01 PM] System Description: (Some Really Cool Cisco Software that costs a whole lot for maintenance)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2013 by Cisco Systems, Inc.
Compiled Wed 26-Jun-13 01:50 by prod_rel_team
[3/21/2014 12:01:01 PM] System OID: 1.3.6.1.4.1.9.1.516
[3/21/2014 12:01:01 PM] OS Image: C3750E-IPBASEK9-M
[3/21/2014 12:01:01 PM] OS Version: 15.0(2)SE4, RELEASE SOFTWARE (fc1)
[3/21/2014 12:01:01 PM] Menu-Based mode=False
[3/21/2014 12:01:01 PM] FreezeLoginForPreCommands mode= False
[3/21/2014 12:01:01 PM] FISP mode= False
[3/21/2014 12:01:01 PM]
-->StateChange: Connecting to server<--
[3/21/2014 12:01:01 PM] TimerTick: mstrData=<> State=1 - Connecting to server
[3/21/2014 12:01:01 PM] Pending Disconnect = False
[3/21/2014 12:01:01 PM] TimerState not Idle, Leaving.
[3/21/2014 12:01:02 PM] TimerTick: mstrData=<> State=1 - Connecting to server
[3/21/2014 12:01:02 PM] Pending Disconnect = False
[3/21/2014 12:01:02 PM] TimerState not Idle, Leaving.
[3/21/2014 12:01:02 PM] Got HostFingerPrint: 36:09:bl:ah:bl:ah:bl:ah:bl:ah
[3/21/2014 12:01:02 PM] SWTelnet9 Crypto Information Begin
[3/21/2014 12:01:02 PM] Protocol = SSH2
[3/21/2014 12:01:02 PM] RemoteName = SSH-2.0-Cisco-1.25
[3/21/2014 12:01:02 PM] SCcipher = aes128-cbc
[3/21/2014 12:01:02 PM] CSCipher = aes128-cbc
[3/21/2014 12:01:02 PM] Keys = ssh-rsa
[3/21/2014 12:01:02 PM] SWTelnet9 Crypto Information End
[3/21/2014 12:01:03 PM]
-->StateChange: Connected to server - idle<--
[3/21/2014 12:01:03 PM] Solarwinds.Net SWTelnet9 Version 9.0.27
[3/21/2014 12:01:03 PM] Connected!
[3/21/2014 12:01:03 PM] -->
[3/21/2014 12:01:03 PM] --> COOLSWITCH >
[3/21/2014 12:01:03 PM] ProcessLogin State: 0
[3/21/2014 12:01:25 PM] TimerTick: mstrData=<COOLSWITCH>> State=3 - Connected to server - idle
[3/21/2014 12:01:25 PM] Pending Disconnect = False
[3/21/2014 12:01:25 PM] Pre-Commands: Waiting more than 3 seconds for response start sending pre-command if any...
[3/21/2014 12:01:25 PM] Sending to get a banner!
[3/21/2014 12:01:25 PM] <--
[3/21/2014 12:01:25 PM] TimerTick: Login Timeout
[3/21/2014 12:01:25 PM] Disconnected - From: 192.168.50.50