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desertinn (Vendor)
6 Jun 11 22:14
Can someone check my configurations for a 8 line CID upgrade for a customer who has a meridian 824:

(1) 0x12 Copper Module
(2) CI Cards
(1) DR5 Software

I understand that CID will only display before the call is answered at only (1) promary station but they the user can see the CID info when the call is answered, the line is pressed or they enter F811.

Have I missed anything?
misseditbythatmuch (TechnicalUser)
6 Jun 11 23:21
Maybe stating the obvious, but the KSU needs a copper expansion card (2 or 6 port) and you will need a copper ds-30 (or is it b-30) cable to connect the expansion card to the trunk module, and the customer definitely has a caller id subscription ?

You will also need to enable the caller id service in programming to identify the set that get the auto-display id.

You may want to check loop current as well.  The older CI cards (relay type) in my experience do better at handling high loop current than the fully solid state cards, which I find often need a line conditioning device to handle a high current.
cook1082 (Vendor)
7 Jun 11 13:00
Caller Id does not work on the 8x24 unless you have a C8 module?
misseditbythatmuch (TechnicalUser)
7 Jun 11 13:16
The 824 can obtain caller ID from the M-8 module for the 8 on-board lines that land on the KSU CO AMP connector.

Either separately or in addition to the 8 on-board lines ...

You can also add a trunk module with line cards, and if you use CI cards in the trunk module, those additional lines will pass caller ID to the KSU directly, no M-8 needed.  This method, of course, means that either you do not use lines 001 to 008 or if you do use them, they will not have caller id.

On the 616, the only way to get caller ID was to have a C-6 module (or in a pinch a M-8 module and use only the first 6 lines of it) and a DR 5.x software card.
misseditbythatmuch (TechnicalUser)
7 Jun 11 13:22
As an aside, where these products are no longer mfg supported, there is a lot of variation in procurement cost depending on how legitimate your supply channel is, and what degree of limited New Old Stock you might find and the general run of refurbished and working pull product that circulates.

My experience has been that C-6 and M-8 units are harder to come by than CI cards, and as such, are disproportionately more expensive (on a cost per feature per line basis, so if you have to support an old 824 with caller ID, the line card option tends to be more cost effective than adding a M-8 unit, and also it tends to be easier to get replacement CI cards, so if there is a surge or other damage, rather than losing the KSU if lines 001 to 008 get fried, you can just swap out a line card, 4 lines at a time, and be back in service without re-programming and with limited collateral damage.
norstarboy125 (Vendor)
8 Jun 11 12:27
I can back the caller id method with a 12x0 and CI cards. Ive done this more times then I can think of. As stated above it is much more cost effective then purchasing a M8. I think the last time I bought one of those I paid over $500 for it. We all know we can get a copper 12x0 trunk mod w/ a ds-30 cable for next to nothing, and the 2 port copper exp. card.

Jeremy J. Carter
Charm City Communications
http://www.charmcitycommunications.com
Norstar. BCM. CS1000 Programmer

desertinn (Vendor)
8 Jun 11 16:26
Yes that was my plan because this customer only hase 7 lines.  I have a 0x12 that I got for 25.00 and the CI cards are about 100.00. I have what looks like a copper interface cable with a strange flat kind of female plug at both ends and a two port card that have the male version.
misseditbythatmuch (TechnicalUser)
8 Jun 11 17:10
Remember on the expansion card, connect trunk modules from top down and station modules from bottom up on the card.
desertinn (Vendor)
8 Jun 11 21:17
THank you.

I have all this at my shop so I am going to set up a test and make sure it works then just swap the parts at the customers office.  I have several old 824 at the shop plus some old parts.

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