SDM-9XXX Series Hardware Installation Guide
3-2 Memotec Inc.
3.1 Chapter Overview
Hardware installation of the SDM-9120/9220/9230 involves the following steps:
• Opening the chassis casing (“Opening the Chassis Casing” on page 3-3)
• Installing or upgrading the DSP module (“Installing or Upgrading the DSP
Module” on page 3-5)
• Closing the chassis casing (“Closing the Chassis Casing” on page 3-8)
• Removing an interface card (“Removing an Interface Card” on page 3-9)
• Hardware strapping:
- NT/TE mode on the ISDN-BRI S/T interface cards (“NT/TE Mode” on
page 3-11)
- E1-75 jumpers on the single/dual port T1/E1 interface card (“E1-75 Jumpers”
on page 3-13)
• Installing an interface card (“Installing an Interface Card” on page 3-17)
• (Optional) Installing the unit in a rack (“Installing the Unit in a Rack” on page 3-
20)
• E&M wiring and grounding procedures (“E&M Wiring and Grounding” on
page 3-23)
• Installing the ferrites for E1-75, FXS, FXO, E&M/PTT and ISDN-BRI S/T
connections (“Installing the Ferrites (EMI Filters)” on page 3-26)
• Powering up the unit (“Powering the Unit” on page 3-28)
• Connecting the console terminal (“Connecting the Console Terminal” on page 3-
31)
• Installing the licensed software options (“Installing the Licensed Software
Options” on page 3-33)
• (Optional) Connecting the unit to the LAN hub (“Connecting the LAN Hub” on
page 3-34)
• (Optional) Connecting user equipment to the serial ports (“Connecting the User
Equipment” on page 5-4).