[Gb-ccb] Re: Cabling for CCB

[Richard Lacasse]

Bob,

There is now one more cable in the mix.  It runs from the Rx Room reset box 
to the CCB power supply and includes only one shielded twisted pair for the 
contact closure from the Reset Box.  Can you give us another number?

Thanks,
Rich

Bob Simon wrote:
> I've assigned WC and WF cable numbers.  Make a label and put on both 
> ends.  Reference designators are also noted.  AC and DC cables aren't 
> assigned numbers.
> bob..
> 
> 
> Richard Lacasse wrote:
> 
>> All,
>>
>> FYI, JD and I went to the receiver room this afternoon to determine 
>> the cable requirements for connecting the CCB.  Here is a summary of 
>> what we determined.  Some details still need to be worked out, 
>> obviously, but this is a reasonable starting point.  If anyone sees 
>> any problems with what we've listed below, please let us know ASAP.
>>
>> Thanks,
>> Rich and JD
>>
>> -------------------------------------------------
>> Cable     Required     Cable              Note
>>           length (ft)  Connectors
>> -------------------------------------------------
>> AC           8         16 - 18 AWG          1
>>                        Spade lugs
>>
>> DC           15        Multi-conductor      2
>>                        MIL multi-pin
>>
>> 1 PPS        70        RG223                3
>>                        BNC male
> 
> CCB backend to fiber rack 1PPS
> RNE3-6N7A- to RNE3-5A4-
> WC575
> 
>>
>> 10 MHz       15        RG223                4
>>                        BNC male
> 
> CCB backend to LO rack 10Mhz distributor
> RNE3-6N7A- to RNE3-1A9-
> WC576
> 
>>
>> Rcvr ctrl     ?        4 Shielded tw pr     5
>>                        CCB end DB15 male
>>                        Rcvr end ?
>>
>> Console/JTAG 70        2 Shielded tw pr     6
>>                        CCB end: DB25 female
>>                        Rst box end: 2 x DB9
> 
> CCB backend to fiber rack reset box
> RNE3-6N7A- to RNE3-5A3-
> WC577
> 
>>
>> LAN rx rm    70        fiber zip cord       7
>>                        ST at both ends
> 
> CCB backend to mm junction box
> RNE3-6N7A- to RNE3-9A2-
> WF46
> 
>>
>> LAN servo rm 15        fiber zip cord       8
>>                        SC at one end
>>                        ST at the other
>>
>> Notes:
>>
>> 1 - From box attached to ceiling of receiver room to power supply 
>> plate. Box was designed by Bob Simon.
>>
>> 2 - From power supply plate to CCB front panel.
>>     Determine required minimum wire gauge from nominal voltage drop
>>     at normal operating currents.  Need connector part #
>>
>> 3 - From "back room" 1 PPS distribution chassis to cable
>>     trays, to turret, to CCB.
>>
>> 4 - From 10 MHz distributor on turret to CCB
>>
>> 5 - Need additional info for receiver end.
>>     4 twisted pairs with and overall shield should be adequate.
>>
>> 6 - Need two individually shielded twisted pairs for reset signals.
>>     Other signals will be on a short pigtail coming out of the same
>>     backshell.  Cable goes to Reset Box in the back room.
>>
>> 7 - From back room to cable trays to turret to CCB
>>
>> 8 - Need to use two unused fibers between the servo room and rx rm
>>     because none of the fibers in the rx rm presently carry 100 Mbit
>>     ethernet.
>>     Presently, the following are unused:
>>     Rx Rm           Servo Rm
>>     BLK tube        BLK tube
>>       BLK
>>       RED
>>       ORG             ORG
>>       BLU             BLU
>>       VIO             VIO
>>     YEL tube        YEL tube
>>       RED             RED
>>       WHI             WHI
>>     Red tube        Red tube
>>       RED             RED
>>       BLK             BLK
>>
> 
> 
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