Migration tasks
Issue 2.1 June 2006 787
9. Disconnect the cables on the back of carrier A.
● TDM/LAN - reused
● ICC-A, -B - Replaced
● AUX Cable - reused
● 9-pin D subminiature plug on right side of cabinet from the P1 connector on carrier -
reused
10. Remove the Current Limiter (CURL) unit from the back of the carrier. The CURL can be
reused.
11. Remove all carrier grounds.
12. Remove carrier A from the cabinet.
13. Repeat for carrier B (H/C only).
Installing the expansion control carrier and the port carrier
To install the expansion control carrier and port carrier:
1. Install the J58890-AF-2 L13 PN expansion control carrier in position A.
2. Install a J58890BB -4 L14 Port carrier in position B.
3. Connect the carrier grounds.
4. Install the CFY1B current limiter (CURL) unit on the back of control carrier A. You can reuse
the CURL.
5. Connect the cables to the back of the carriers.
● TDM/LAN
● Carrier A to D (if equipped)
● Carrier A to B
● Carrier B to C (if equipped)
● ICC cables from carrier A to B (if required).
● Duplex reliability: No ICC cables required
● High reliability: ICCC and ICCD
● Critical reliability: ICCA, ICCB, ICCC, and ICCD
● AUX cable to carrier A.
● 9-pin D subminiature plug to P1 connector on each carrier.
6. Install the faceplates on carrier A.
7. Install the faceplates on carrier B.
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