Using minicom at 57600 8N1
--------------------------

#
#  My comments prefixed with #
#
#  Send CR LF or just CR brings back a command prompt. LF doesn't.
#

UCCM-P >

#
#  Some specimens have UCCM > prompt instead.
#

UCCM-P >?
*IDN?
ALARm:HARDware?
ALARm:OPERation?
DIAGnostic:OUTPut ON|OFF
OUTPut:REFerence?
OUTPut:ACTive:ENABle
OUTPut:ACTive:DISable
OUTPut:ACTive:HOLDover:DURation:THReshold <seconds>
OUTPut:ACTive:HOLDover:DURation:THReshold? 
OUTPut:INACTive
OUTPut:INACTive?
OUTPut:STATe?
SYNChronization:HOLDover:DURation:STATus:THReshold <seconds>
SYSTem:PRESet
SYNChronization:TFOMerit?
LED:GPSLock?
SYNChronization:FFOMerit?
GPS:POSition N or S,<deg>,<min>,<sec>,E or W,<deg>,<min>,<sec>,<height>
GPS:POSition?
GPS:POSition:HOLD:LAST? 
GPS:REFerence:ADELay <numeric value>
GPS:REFerence:ADELay?
GPS:SATellite:TRACking:COUNt?
GPS:SATellite:TRACking?
DIAGnostic:ROSCillator:EFControl:RELative?
SYNChronization:TINTerval?
DIAGnostic:LOG:READ:ALL?
DIAGnostic:LOG:CLEar
SYSTem:PON
OUTPut:MODE?
SYSTem:STATus?
SYSTem:COMMunication:SERial1:BAUD 9600|19200|38400|57600
SYSTem:COMMunication:SERial1:BAUD?
SYSTem:COMMunication:SERial1:PRESet
SYSTem:COMMunication:SERial2:BAUD 9600|19200|38400|57600
SYSTem:COMMunication:SERial2:BAUD?
SYSTem:COMMunication:SERial2:PRESet
OUTPut:STANby:THReshold <seconds>
changeSN
SYNChronization:REFerence:ENABLE LINK|GPS
SYNChronization:REFerence:DISABLE LINK|GPS
SYNChronization:REFerence:ENABLE?
STATus
POSSTATus
TOD EN|DI
TIME:STRing?
REFerence:TYPE GPS|LINK
REFerence:TYPE?
PULLINRANGE 0|1|2|...|254|255
PULLINRNAGE?
DIAGnostic:LOOP?
DIAGnostic:ROSCillator:EFControl:DATA GPS|<value>
DIAGnostic:ROSCillator:EFControl:DATA?
OUTut:TP:SELection PP1S|PP2S
OUTut:TP:SELection?
GPSystem:SATellite:TRACking:EMANgle <degrees>
GPSystem:SATellite:TRACking:EMANgle?
DIAGnostic:TCODe:STATus:AMASk
DIAGnostic:TCODe:STATus:OMASk
DIAGnostic:TCODe:ERRor:AMASk
DIAGnostic:TCODe:ERRor:OMASk
DIAGnostic:HOLDover:DELay
DIAGnostic:HOLDover:DELay?
GPS:SATellite:TRACking:IGNore <PRN>, ...,<PRN>
GPS:SATellite:TRACking:IGNore?
GPS:SATellite:TRACking:INCLude <PRN>, ...,<PRN>
GPS:SATellite:TRACking:INCLude?
GPS:SATellite:TRACking:<select>:ALL
? or HELP

Command complete
UCCM-P >

#
#  The command syntax resembles GP-IB or SCPI.
#

UCCM-P >*IDN?
TRIMBLE,57964-80,60791267,V2.0.1.6-01
Command complete
UCCM-P >

#
# Identifies itself as 57964 but the board is marked 57963
#

UCCM-P >SYSTem:STATus?

-------------------------------------------------------------------------------
57964-80     serial number  60791267     firmware ver  2.0.1.6-01 LINK    mode 
-------------------------------------------------------------------------------
Reference Status __________________________   Reference Outputs _______________
XX Ref 8KHz 0: [LOS]                                                           
XX Ref 8KHz 1: [LOS]                          TFOM     2            FFOM      0
XX Ref 8KHz 2: [LOS]                          UCCM A Status[ACTIVE]            
XX Ref 8KHz 3: [LOS]                                                           
>> GPS: [phase:+1.1E-07]                                                       
ACQUISITION ...................................................[GPS 1PPS Valid]
Tracking: 2 ____   Not Tracking: 8 ________   Time ____________________________
PRN  El  Az  C/N   PRN  El  Az                GPS      19:06:05     24 Nov 2015
 30  58  71   46    27   7  13                                                 
  7  27  59   42    28  37 130                ANT DLY  -1 ns                   
                     5  55 193                Position ________________________
                    13  67 282                MODE     Hold                    
                    21  16 318                                                 
                     8   8  44                LAT      N  53:42:10.303         
                    15  30 283                LON      W   2:04:19.575         
                    20  48 287                HGT              +286.61 m (MSL) 
                                                                               
                                                                               
                                                                               
                                                                               
ELEV MASK  5 deg                                                               
-------------------------------------------------------------------------------

Command complete
UCCM-P >

#
# The LAT LON HGT and GPS time are correct.  The antenna has a poor
# view of the sky.
#

UCCM-P >GPS:POSition?
N,53,42,10.303,W,2,4,19.575,+286.61
Command complete
UCCM-P >

UCCM-P >TIME:STRing?
2015/11/24 19:07:20

Command complete
UCCM-P >POSSTATus

---------------------------------------------
 11/24/2015  19:12:18
---------------------------------------------
 Position: LAT(N  53:42:10.303) LON(W   2:04:19.575) H(        +286.61 m MSL)
---------------------------------------------
 Geometry: PDOP(0.0) HDOP(0.0) VDOP(0.0)
 num of visible sats >  3
 num of sats tracked >  3
  -------- Receiver Channel State --------
 CH  0 > SateID(27) TrackMode(tracking ) SigValue(28)
 CH  1 > SateID(30) TrackMode(pos avail) SigValue(44)
 CH  2 > SateID(07) TrackMode(pos avail) SigValue(39)
 CH  3 > SateID(28) TrackMode(pos avail) SigValue(38)
 CH  4 > SateID(05) TrackMode(tracking ) SigValue(23)
 CH  5 > SateID(13) TrackMode(tracking ) SigValue( 0)
 CH  6 > SateID(21) TrackMode(tracking ) SigValue( 0)
 CH  7 > SateID(08) TrackMode(tracking ) SigValue(20)
 CH  8 > SateID(15) TrackMode(tracking ) SigValue(11)
 CH  9 > SateID(20) TrackMode(tracking ) SigValue( 0)
 CH  10 > SateID(00) TrackMode(tracking ) SigValue( 0)
 CH  11 > SateID(00) TrackMode(tracking ) SigValue( 0)
---------------------------------------------
 Rcvr Status(1):   
---------------------------------------------
 Antenna Voltage:  5000.00mV   , Antenna Current:    20.69mA 

Command complete
UCCM-P >STATus

               - UCCM Slot STATE-

1-1. #Now ACTIVE STATUS ---------------- [Master]
1-2. #Before ACTIVE STATUS ------------- [OCXO Warm]
2-1. #Reference Clock Operation -------- [Not Used]
2-2. #Current Reference Type ----------- [GPS]
2-3. #Current Select Reference --------- [GPS 1PPS]
2-4. #Current Reference Status --------- [Good Accuracy & Stable]
     #GPS STATUS ----------------------- [Available]
     #Priority Level ------------------- [LINK > GPS]
     #ALARM STATUS
     #H/W FAIL [ LINK ]
     #OPERATION ALARM ------------------ [LINK ]
3-1. #PLL STATUS ----------------------- [ENABLE]
3-2. #Current PLL MODE ----------------- [NORMAL 2 MODE]

Command complete
UCCM-P >

#
#  There are typos in the help text, example:
#
OUTut:TP:SELection?
Undefined header
UCCM-P >

#
# The correct command seems to be
#

UCCM-P >OUTPut:TP:SELection?
PP1S
Command complete
UCCM-P >

#
# Turn on regular messages for a few seconds, then turn off again
#

UCCM-P >TOD EN

Command complete
UCCM-P >C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C B2 00 11 60 04 45 80 00 00 00 00 48 A0 CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C B4 00 11 60 04 45 80 00 00 00 00 43 C7 CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C B6 00 11 60 04 45 80 00 00 00 00 B5 05 CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C B8 00 11 60 04 45 80 00 00 00 00 55 09 CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C BA 00 11 60 04 45 80 00 00 00 00 A3 CB CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C BC 00 11 60 04 45 80 00 00 00 00 A8 AC CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C BE 00 11 60 04 45 80 00 00 00 00 5E 6E CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C C0 00 11 60 04 45 80 00 00 00 00 CE E5 CA 
C5 00 80 00 00 00 00 28 1C 52 00 00 20 60 C1 91 00 00 00 00 00 00 00 00 00 00 00 43 7F 7C C2 00 11 60 04 45 80 00 00 00 00 38 27 CA 
TOD DI

Command complete
UCCM-P >

#
#  Got one frame every 2 seconds.  The GPS time field is obvious and
#  the 11 is hopefully the GPS/UT offset of 17 seconds.
#
#  I guess the 00 28 1C 52 and 20 60 C1 91 are position fields.
#  Unable to move the antenna far enough to tell at the moment.
#
#  The device has two serial ports.   The other port sends out the
#  same packets but in binary as opposed to ASCII hex.  The other
#  port also accepts UCCM commands and mixes ASCII responses with
#  the binary packets.
#