Common Equipment cards 33
Quantity-Two pef
Network Module (use vintage C when two or more
groups are installed)
QPC414 Network
System Hardware-All
Purpuse-Provides
30 time slots interface per each of two network loops.
Provides speech path switching, signaling and control circuits for two
network loops. Interfaces between network and NT8D13 PE, NT8D47
RPE, and Meridian Mail Modules, and PRI/DTI cards,
Quantity-As
required; refer to
System engineering
(553-3001,151)
QPC417 Junctor Board
System Hardware-System
option 71
Purpose-Provides
space switching paths between network groups in
multigroup systems for up to five groups.
Quantity-One per system
QPC441 Three-Port Extender
System Hardware-System
option 61/71
.-
Purpose-Extends
CPU
data, address and control signals between one
NT8D35 NET Module and a QPC215 Segmented Bus Extender on a CPU
Module in System option 71. In System option
61,
interfaces between two
NT6D39 CPU/NET Modules.
Quantity-One per
NT8D35 NET or NT6D39 CPU/NET Module
QPC471 Clock Controller
System Hardware-All
Purpose-The
Clock Controller (CC) is used in System option 71 to
synchronize the Meridian 1 network to an external source clock and to
generate and distribute clock to the Meridian 1 system. It is also used with
PRA/DTI in all system options.
Note:
QPC471C or later vintage is required.
Equipment identification and ordering information 553-3001-154
.
.