Bell System Practices 220 Identification, Installation, Connections, And Maintenance page 20

:
S1S- RECALL
ca
Ill
TYPE SWITCH
... JACK
0
TIP
RING
BSP 502-303-10 2-i02_1979 -12-20.jpg
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
NETWORK
OP-DIAL PULSE CONTACT
Fig. 26-Schematic of 226A Hand Telephone Set
Feb 07,2012 13:34:03
RCVR TRMTR 315A AMPLIFIER
UNIT UNIT
A
3
Ill
DIAL
�
....
0
z
"'
0
...
w
0
0
...
s