V6100 and V7122 User Guide 53Users assembling the rear brackets by themselves should note the following:• The distance between the screws on each bracket is 26.5 mm.• To attach the brackets, use 4-40 screws with a maximal box penetrationlength of 3.5 mm.To place the device on a 19-inch rack’s shelf:1 Place the device on the preinstalled shelf.2 You’re now recommended to follow the optional steps of fastening the device to theframe of the rack (as described above) while it is placed on the shelf, so preventing itfrom sliding when inserting cables into connectors on the rear panel.Cabling the V7122See 1 Chapter 2: Physical Description for detailed information on the V7122 rear panelconnectors and LEDs. Note that the V7122 is available in many configurations, i.e., AC orDC, in the 16-trunk, 8-trunk, 4-trunk, 2-trunk or 1-trunk device. The 16-trunk dual AC (Figure18) and the 8-trunk DC (Figure 19) configurations are illustrated here as representativeproducts.Figure 18 V7122 Rear Panel Cabling (16 Trunks, Dual AC Power)Table 21 V7122 Rear Panel Cabling (16 Trunks, Dual AC Power) Component DescriptionsItem # Label Component Description1 RTM locking screws.2 ETHERNET Two Category 5 network cables, connected to the 2 Ethernet RJ-45ports.3 TRUNKS Two 50-pin Telco connector cables, each supporting 8 trunks.4 Protective earthing screw.5 100-240~1.5A Dual AC power cables.1 2 3 3 1 4 5
