IBM System/34 Maintenance Manual page 455

30-710 Locations
Figure 30-30 shows the parts for the external modem
configuration for line 1. If installation is on line 2, 3, or
4, see Figures 30-5 and 30-7 for hardware locations.
F2 L2
Cable Tower
r--- --,
~
Analog
Wideband
Adapter
I I
Adapter
A-B3 Board
C
Clear to Send
D Request to Send
E
Send Data
F Data Set Ready
J
Transmit Clock
K Receive Data
L
Receive Clock
M
Carrier Detect
A, B, G and H are not used
Note:
If the wide band adapter is installed on line 2, 3,
or 4, see Figures 30-5 and 30-7 for hardware locations.
Figure 30-30. Analog Wideband Adapter Locations (Line 1)
46 30-710
1""-.. '"
(
\..
.
r'"
ABC D E F
0
000000
0
a
0
a
000000
a
G HJ K L M