Bell System Practices TOUCH-A-MATIC 2872A1M Identification, Installation, Connections, Operation, And Maintenance page 43

ISS 5, SECTION 503-603-101
t PSB-16
G-W) L2NETWORK
J""o'-" l . ,NSOL...NO
(S)__ (R-BL) @ FOR ADD-ON CONFERENCING, C ONVERT THE 5TH
PU TO NONLOCKING (REMOVE PIN)
MTG. CORD Q FOR MULTILINE EXCLUSION, CONVERT THE 5TH
TBI-I?I? ,._ Ib ,__,y b /TBI-I PU TO NONLOCKING (REMOVE PIN)
?(AI (O-W) _Y) ,, C _1:_) Q WITHOUT STATION BUSY LAMP
---<
Lo _
T_ O WITH STATION BUSY LAMP
S G " I" HOLD OPTION
BL(Y-BR) T81-6 _
44 ( (_ FACTORYWIRING
_,CR=
,,.-_ 533F
TBI-IO _
(G
SP (V-O) T NETWORK
_.-<
47'(
,Q
/ Z .
/
@ _ . (eL) 3 ×, -.. : H(_LD
. ® ¥ ,ST (Y .B,.)
IA (W-O) IPU 2 (w)
27( , v : (' IBi-:
2ND
_:U (R) SIRAP
I 21
30 (2A (W-S) • (EK}
3RD
-.-< 33 <3A (R-G) TBI-7 (S-W) I Pv U 2 (BK)
e ¢ _ IBI
4TH
4A(BK-BL) TBI-9 (BR) I PU 2 (Y)
_.< 36(
'G ×
=
5TH V_)
5A (BK-BR) rBI-4 (5)
I PU 2
(V) _
_39( (2) ¢ X ¢ m, >...
Fig. IO--D"I" Hold, Exclusion, Station Busy Lamp, and Add-On Conferencing--lA1 and 1A2 KTS (Showing
5th Key Modified)_l
Page 43