V7122 Gateway User Guide 45Users 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 V7122 GatewaySee 1 Chapter 2: Physical Description for detailed information on the gateway ‘s rear panelconnectors and LEDs. Note that the gateway is available in many configurations, that is, ACor DC, in the 16-trunk, 8-trunk, 4-trunk, 2-trunk or 1-trunk device. The 16-trunk dual AC(Figure 11) and the 8-trunk DC (Figure 12) configurations are illustrated here asrepresentative products.Figure 11 V7122 Rear Panel Cabling (16 Trunks, Dual AC Power)Table 15 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.
