Bell System Practices 220 Identification, Installation, Connections, And Maintenance page 11

A. EARLY VERSION 2220C
1 -(Y) HANDSET CORD JACK LEAD
2-INSULATED D-16 1488 CONNECTOR
(ORDERED SEPERATELY)
3 -IV) LEAD D-180891 KIT OF PARTS
4-INSULATED (Y) SPADE TIP SHANK
AT TERMINAL C
5
-INSULATED FLEXIBLE CIRCUIT TAB (NETWORK)
6- (BK) HANDSET CORD JACK LEAD
7-
INSULATED IBK) SPADE TIP SHANK AT TERMINALS
terminals 1 and 2 on the network.
remain in the handset after being restricted in all
cases.
For dial restriction of a TOUCH-TONE dial
5.02
equipped hand telephone set without a
polarity guard, reverse tip and ring in telephone
base and leave dial in handset.
BSP 502-303-1 02-i02_19 79-l2-ll.j pg
•
Fig. 1 0-t2220C or 2226A Hand Telephone Set Modified for RFI.
The dial will
Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado
13
Note:
installed cannot be restricted.
5.03
shown in Fig. 23 through 29.
Feb 07 , 2012 13:30:11
ISS 2, SECTION 502-303-1 02
B. LATE VERSION 2220C OR 2226A
8-282B ADAPTER ID -180891 KIT OF PARTS)
9 -IYI LEAD 282B ADAPTER
10 -INSULATED (Y) SPADE TIP SHANK AT
5
TERMINAL
11 - IBKI LEAD 282B ADAPTER
12 -INSULATED (BK) SPADE TIP
SHANK AT TERMINAL C
13- INSUL ATED FLEXI BLE CIRCU IT TAB
(NETWORK)
Any handset with a polarity guard
Internal connections for the 220-, 226-, and
2220-, and 2226-type hand telephone sets are
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