ADC HRM-238 L1 user manual Connect NMA Wiring, For 220 type mechanics

LTPH-UM-1237-04 Installation

Connect NMA Wiring

From the 50-pin Amphenol connector P1 and/or P6 (Figure 8), wire directly to the NMA pin 46 on the 220-type shelf backplane for each line unit being managed. Route wires from the P1 and P6 connectors to the NMA

220-type mechanics shelves as shown in Figure 2 on page 2. Refer to Table 3 for P1 and P6 NMA connector information.

50-pin Amphenol	50-pin Amphenol
connector (P6)	connector (P1)

H0548-A

Figure 8. Connect NMA Wiring

1Remove the plastic cover from the 50-pin Amphenol connector P1 and/or P6.

2Install a 50-pin female plug into the connector. Separate the wires for each of the 50 pins.

For 220 type mechanics:

3Wire wrap the corresponding NMA wire from the plug to the NMA pin 46 on the shelf for each line unit being managed. The wire leads from the Amphenol plug can be up to 20 feet maximum.

For 3190 type mechanics:

4Wire wrap the corresponding NMA wire from the plug to the NMA pin 7 on the shelf for each line unit being managed. The wire leads from the Amphenol plug can be up to 20 feet maximum.

For DDM+ type mechanics:

5Wire wrap or soldier (depending on chassis manufacturer) the corresponding NMA wire from the plug to the NMA pin 104 on the shelf for each line unit being managed. The wire leads from the Amphenol plug can be up to 20 feet maximum.

HRM-238 List 1 July 21, 2004 7