NEC ND-71762(E) system manual Clock Pulses from M-OSC/EXT. OSC and Connection with PLO/OSC

GENERAL INFORMATION FOR CCIS

5.3 Clock Pulses from M-OSC/EXT. OSC and Connection with PLO/OSC

Two clock pulses from the M-OSC/EXT. OSC can be supplied to each PLO/OSC. Figure 2-14 shows the diagram of connection between the M-OSC and the PLO/OSC.

Figure 2-14 Diagram of Connections between M-OSC and PLO/OSC

1

M-OSC/EXT. OSC

0

IDF/MDF for PCM

Route 3

Route 2

Route 1

Route 0

M-OSC 1

M-OSC 0

Installation Cable (25p)

Route 3

Route 2

Route 1

Route 0

M-OSC 1

M-OSC 0

PLO 1

(PH-CK17)

/OSC 1

(PA-CK14)

Backplane wiring

Cross-connection of

PLOs￿

Multiple-connection of

DTIs￿

PLO 0

(PH-CK17)

/OSC 0

(PA-CK14)

BWB of TSWM or ISWM/PIM

Cable-connection

Note: The OSC (PA-CK14) card is used for the 1-IMG system only. The PLO (PH-CK17) card is used for the 4-IMG system.

ND-71762 (E)CHAPTER 2

Page 19

Issue 2