Merlin 3070 Service And Maintenance Manual page 118

The adapter is used to connect a voice terminal cord (D8W) to
another voice terminal cord (D8W) or to a voice terminal ex-
tension cord (D8AF).
D8-TYPE
MODULAR CORD
(Greenish-Yellow)
INSTALLATION INSTRUCTIONS
Plug one end of each D8-type voice terminal cord into
1.
either end of the adapter.
Caution: Used only with voice terminal cords (D8-type).
(451A) ADAPTER
451A ADAPTER
Do not use with line cords (D4-type) since this
may cause an interruption of service.
Equipment manufactured by AT&T Technologies in the U.S.A.
CIB 2861
D8-TYPE
MODULAR CORD
(Greenish-Yellow)