N3024P Serial Console Issues

I recently purchased a used N3024P to replace an HP switch in my home network. It appears to have been reset before sale. I've connected to the serial port to configure it, but the console goes strange and then locks up after a while.

U-Boot SPL 2012.10-00078-g24e99ea (Jun 24 2014 - 16:41:18)
BENCH SCREENING TEST1
=========================================
IPROC_XGPLL_CTRL_3: 0x15400000
IPROC_XGPLL_STATUS: 0x800000d9
DCO code: 13
FAIL
=========================================
HWRev: 0x35 AVS: 0x0 VOUT Init: 0x64 VOUT Set: 0x64 
DEV ID= 0000dc14
SKU ID = 0x0
DDR type: DDR3
MEMC 0 DDR speed = 800MHz
ddr_init2: Calling soc_ddr40_set_shmoo_dram_config
ddr_init2: Calling soc_ddr40_phy_calibrate
C01. Check Power Up Reset_Bar
C02. Config and Release PLL from reset
C03. Poll PLL Lock
C04. Calibrate ZQ (ddr40_phy_calib_zq)
C05. DDR PHY VTT On (Virtual VTT setup) DISABLE all Virtual VTT
C06. DDR40_PHY_DDR3_MISC
C07. VDL Calibration
C07.1
C07.2
C07.4
C07.4.1
C07.4.4
VDL calibration result: 0x30000003 (cal_steps = 0)
C07.4.5
C07.4.6
C07.5
C08. DDR40_PHY_DDR3_MISC : Start DDR40_PHY_RDLY_ODT....
C09. Start ddr40_phy_autoidle_on (MEM_SYS_PARAM_PHY_AUTO_IDLE) ....
C10. Wait for Phy Ready
Programming controller register
ddr_init2: Calling soc_ddr40_shmoo_ctl
Validate Shmoo parameters stored in flash ..... OK
Press Ctrl-C to run Shmoo ..... skipped
Restoring Shmoo parameters from flash ..... done
Running simple memory test ..... OK
DDR Tune Completed
 Micron MT29F2G08ABAEA, 128 KiB blocks, 2 KiB pages, 16B OOB, 8-bit
NAND:   chipsize 256 MiB


U-Boot 2012.10-00078-g24e99ea (Jun 24 2014 - 16:41:18)

DRAM:  1 GiB
WARNING: Caches not enabled
NAND:   Micron MT29F2G08ABAEA, 128 KiB blocks, 2 KiB pages, 16B OOB, 8-bit
NAND:   chipsize 256 MiB
In:    serial
Out:   serial
Err:   serial
arm_clk=1000MHz, axi_clk=499MHz, apb_clk=124MHz, arm_periph_clk=500MHz
Net:   Registering eth
Broadcom BCM IPROC Ethernet driver 0.1
Using GMAC0 (0x18022000)
et0: ethHw_chipAttach: Chip ID: 0xdc14; phyaddr: 0x1
serdes_reset_core pbyaddr(0x1) id2(0xf)
bcmiproc_eth-0
boot in 3 s
Creating 1 MTD partitions on "nand0":
0x000000200000-0x00000f000000 : "mtd=4"
Loading file '/image1' to addr 0x70000000 with size 22124042 (0x0151960a)...
Done
## Booting kernel from Legacy Image at 70000074 ...
   Image Name:   System for iproc_pct
   Image Type:   ARM Linux Multi-File Image (gzip compressed)
   Data Size:    22123862 Bytes = 21.1 MiB
   Load Address: 61008000
   Entry Point:  61008000
   Contents:
      Image 0: 2523553 Bytes = 2.4 MiB
      Image 1: 1782876 Bytes = 1.7 MiB
      Image 2: 474 Bytes = 474 Bytes
      Image 3: 17816934 Bytes = 17 MiB
   Verifying Checksum ... OK
## Loading init Ramdisk from multi component Legacy Image at 70000074 ...
   Uncompressing Multi-File Image ... OK
boot_prep_linux commandline: console=ttyS0,9600 maxcpus=2 mem=1024M root=/dev/ram mtdparts=nand_iproc.0:1024k(nboot),512k(nenv),256k(vpd),256k(shmoo),243712k(fs),16384k(diags) ubi.mtd=fs ethaddr=f8:b1:56:89:ce:db quiet

Starting kernel ...

starting pid 884, tty '': '/etc/init.d/rcS'
starting pid 1014, tty '/dev/ttyS0': '/etc/rc.d/rc.fastpath'
Mounting /dev/mtdblock4 at /mnt/fastpath...done.
Mounting tmpfs at /mnt/application...done.
Checking for USB Device... done.
No USB Device found!


Dell Networking Boot Options
============================

Select a menu option within 3 seconds or the Operational Code will start automatically...

1 - Start Operational Code
2 - Display Boot Menu

Select (1, 2)#  
 
 
Extracting Operational Code from .stk file...done.
Loading Operational Code...done.
Decompressing Operational Code...done.
Uncompressing apps.lzma
SyncDB Running...
DMA pool size: 16777216
AXI unit 0: Dev 0xb342, Rev 0x01, Chip BCM56342_A0, Driver BCM56340_A0
SOC unit 0 attached to PCI device BCM56342_A0


<186> Apr  9 02:50:36 0.0.0.0-1 General[fp_main_task]: bootos.c(195) 7 %% Event(0xaaaaaaaa)
started!

<185> Apr  9 02:50:36 0.0.0.0-1 SIM[Cnfgr_Thread ]: sim_util.c(3792) 8 %% Switch was reset due to power disruption.

(Unit 1 - Waiting to select management unit)>
Applying Global configuration, please wait ...


Welcome to Dell Easy Setup Wizard

The setup wizard guides you through the initial switch configuration, and 
gets you up and running as quickly as possible. You can skip the setup
wizard, and enter CLI mode to manually configure the switch. You must 
respond to the next question to run the setup wizard within 60 seconds,
otherwise the system will continue with normal operation using the default
system configuration. Note: You can exit the setup wizard at any point
by entering [ctrl+z].

Would you like to run the setup wizard (you must answer this question within 
60 seconds)? (y/n) y

Step 1:
The system is not setup for SNMP management by default. To manage the
switch using SNMP (required for Dell Network Manager) you can
.   setup the initial SNMP version 2 account now.
.   return later and setup other SNMP accounts. (For more information on
    setting up an SNMP version 1 or 3 account, see the user documentation).
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) 
Would you like to setup the SNMP management interface now? (y/n) n

Step 2:
Now we need to setup your initial privilege (Level 15) user account. This
account is used to login to the CLI and Web interface. You may setup other
accounts and change privilege levels later. For more information on setting
up user accounts and changing privilege levels, see the user documentation.
To setup a user account:

Please enter the user name. [admin]:
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
Please reenter the user password: 
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 
User password must be printable characters.
Please enter the user password: 

 This is what happens when I attempt to use the "Easy Setup Wizard" immediately after boot. Below is what happens when I let the prompt time out and drop to the CLI.

Would you like to run the setup wizard (you must answer this question within 
60 seconds)? (y/n) 

No data within sixty seconds!!!


Thank you for using the Dell Easy Setup Wizard. You will now enter CLI mode.

Applying Interface configuration, please wait ...


console>? 
?

enable                   Enter into user privilege mode.
exit                     Exit this session. Any unsaved changes are lost.
help                     Display help for various special keys.
logout                   Exit this session. Any unsaved changes are lost.
password                 Change the password.
ping                     Send ICMP echo packets to a specified IP address.
quit                     Exit this session. Any unsaved changes are lost.
show                     Display Switch Options and Settings.
telnet                   Open a telnet connection to another system.

console>sword(vDrec u u@u<
         ^
% Invalid input detected at '^' marker.

console>d0(vDrec u u@u
        ^
% Invalid input detected at '^' marker.

console>d0(vDrec ?
% Unrecognized command


console>d0(vDrec u u@uL

        ^
% Invalid input detected at '^' marker.

console>assword(vDrecu u@u:

        ^
% Invalid input detected at '^' marker.

console>uu@uu

        ^
% Invalid input detected at '^' marker.

console>uu@uu

        ^
% Invalid input detected at '^' marker.

console>uu@uu

        ^
% Invalid input detected at '^' marker.

console>2|v

        ^
% Invalid input detected at '^' marker.

console>j
        ^
% Invalid input detected at '^' marker.

console>8`O1JS)^jB.|_14

        ^
% Invalid input detected at '^' marker.

console>
console>E=]P7
         ^
% Invalid input detected at '^' marker.

console>':CiXm"sv [
        ^
% Invalid input detected at '^' marker.

console>/yr

        ^
% In

 After the first "?" to cause the menu output, the rest fo the invalid input seems to come from the switch itself, eventually failing to respond entirely. I have tried using the boot menu to select a different startup image, but it dies with the same kind of behavior.