Installation manual

CHAPTER 2. Hardware of OfficeServ 7400

2-4

Table 2.1 Configuration in the Back side of OfficeServ 7400

Part Function

Battery Receptacle Receptacle for an external battery.

Battery Switch Switch to supply the power to OfficeServ 7400 or charge an

battery

DC LED The LED indicates the normal output of DC power.

AC LED The LED indicates the input of AC power.

Power Inlet Connector Connector for power cable

Fuse Holder Fuse to protect AC input power

Power Switch Power-on/off of OfficeServ 7400

Knob for Mounting or

Demounting Power Module

Knob to mount or demount power module

Receptacle for External

Rectifier

Receptacle to supply external DC power for Power

over Ethernet (PoE)

Ground Lug Lug for grounding system communication

2.2.1 Configuration of Slots

Each of the basic chassis and expansion chassis has 12 slots on which modules can be

mounted. The modules below are mounted on the slots depending on the configuration type

of the OfficeServ 7400:

Table 2.2 Modules that can be mounted on the slots

Chassis Slots Mountable Modules

Basic

Chassis

(OfficeServ

Access)

Slot 0 Special purpose for LP40

Slot 3 Special purpose for MP40

Slot 1 and 2

Slot 4~11

Modules except MP40 and LP40

Expansion

Chassis

(OfficeServ

Expansion)

Slot 0 Special purpose for LP40

Slot 3 Boards excluding LIM, PLIM, and PLIM2

Slot 1, 2, 4~11 Modules except MP40 and LP40

For using total capacity of TEPRI2 and MGI64, basic chassis that supports 64 channels per

slot is used.

Blank Module Function

Blank module is a dummy module that functions as a screen to prevent the

system from foreign materials when the Universal Slot is not equipped modules.