IBM System/32 Introduction And Maintenance Manual page 393

• R •
Switched Timing
(echo clamp)
Location H3
4
• T •
Echo LL Clear To
Modem Suppressors? Send (ms)
4WLL-SNBU - 8.5
2
25
4WLL-SNBU
-
8.5
2
25
2WLL-SNBU
NO 75
3
147
YES 75
3
147
2WLL-SNBU
- 75
3
147
Switched
-
Network
CADUCEE
-
25
2W - 2 wire
4W
4 wire
LL
Leased line
SNBU With SNBU
SNBU
Without SNBU
1
Permissible only if SNBU operation is in the local area.
2Used only on multipoint tributary modems when 'new
sync' is used at the control station.
3
Used only on short lines, where turnaround is critical
and the communications facility characteristics are
suitable (minimum echo).
4
This jumper is installed if any modem in the TP system
does not have the switched network sequence engi-
neering change.
SNBU/Sw Network Timing Options
Clear To Send (ms)
Strapping
A, B, G, H, J, P
A, D, G, H, J, P
75
1
A,B,G,H,J,L,R,S
147 A, B, G, H, J, M, S
75
1
A,D,G,H,J,L,R,S
147 A, D, G, H, J, M, S
B, e, G, H, K, a
C,D,G,H, K,a
B, e, G, H, K, P
e,D,G,H, K,P
75
1
B,e,G,H, K,L,R
147 B, C, G, H, K, M, R
147
e D G H, K, M
75
3
B, e, G, H, K, R, T4
147 C, D, G, H, K,
T4
A, D, G, H, J, P
Data Communications 10-27