Test/Operate, Timing Options Strapping - IBM System/32 Introduction And Maintenance Manual

10.4.7 Test/Operate, Timing Options
Strapping
Basic Timing Options
•
•
•
C
D
E
•
• •
A B G
•
•
•
• •
• •
•
J P
M
N
N
• •
• • •
K
Q
L N N
• •
• •
•
Location K2
Clear to Send (see facing page)
A, B
8.5 ms
A,D 25 ms
B,C 75 ms
C,D 147 ms
L 75 ms SNBU
M
147 ms SNBU
Carrier Detect Bridge
G, H - Required for every option
Jumper Functions (see facing page)
J - 4 wire
K - 2 wire
•
F
•
H
•
•
N
•
N
•
P Short carrier detect, no echo clamp
Q
56 or 123 ms carrier detect, no
echo clamp
R 50 ms echo clamp (100 ms if not
strapped)
S No echo clamp during leased line
operation
10-26
Feature Timing Options
• R.
·s·
(SNBU timing)
Location K3