GE 90-70 manual Enhanced Hot Standby CPU Redundancy System with Local I/O, Local I/0 Can be

1

Enhanced Hot Standby CPU Redundancy System with Local I/O

The following illustration is an example of an Enhanced Hot Standby CPU Redundancy system with Local I/O in standard Series 90-70 expansion racks.

LOCAL I/0

CAN BE IN

RACKS 0 - 6

Secondary Unit

Primary Unit

RACK 0

RACK 0

P C

B R G I I I I I

P C B R G I I I I I

S P T C B O O O O O

S P T C B O O O O O

U

M M C

U M M C

30

31

*

TERMINATED I/O CABLE

REMOTE DROP

B

P S

I

I

I

I

I I

I I

L

S C O O O O O O O O

O

A

C

N

K

N

E

R

RACK 1

P

B

I

I

I

I

I

I I

I

S R O O O O

O O O O

M

---

RACK 6

P

B

I

I

I

I

I

I I

I

S R

O O O O O O O O

M

* I/O CABLE WITH BUILT-IN TERMINATION

IC697CBL803 (3 FEET (0.9m))

*

TERMINATED I/O CABLE

IC697CBL811 (10 FEET (3m))

IC697CBL826 (25 FEET (7.5m))

Note

Rack 7 is not available for I/O modules in an Enhanced Hot Standby CPU Redundancy system.

GFK-1527A Chapter 1 Introduction 1-7