30 Common Equipment cards
Quantity-As required.
R&fer
to System engineering (553-3001-151) for
engineering details.
NT8Dl8AA NetworWDigitone Receiver
System Hardware-System
option 21 and 21A
Purpose-Combines the functionality of the Network Controller and
Digitone
Receiver cards in a mother/daughterboard assembly. The
motherboard plugs into a dedicated slot on the backplane. The
daughterboard attaches to the motherboard through an SDI/ESDI connector
and does not connect to the backplane.
Quantity--One
per
NT8Dll
CE/PE Module
NT8D19AA Memory/Peripheral Signaling
System Hardware-System
option 21 and 21A
Purpose-Combines
the functionality of the Memory and Peripheral
Signaling cards, as well as miscellaneous CPU functions.
The CPU functions include interrupt and fault monitoring.
The Peripheral Signaling function provides:
.-
-
signaling interface between CPU and Peripheral Equipment for up to 32
network loops
-
clock and timing signals for real-time transmission functions
Quantity--One per
NTSDl
1 CE/PE Module
NT8D41AA Serial Data Interface paddle board (Dual Port)
System Hardware-System option 21/51/61
Purpose-Provides two serial ports between the
SL-1
processor and an
external device. Each port supports
-
RS-232-C interface
-
g-bit ASCII data with parity and stop bit
-
asynchronous, start-stop operation
Equipment identification and ordering information 553-3001-154
..d