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Basic
network, low send level, push button, wall
type telephone with provision for four button switches and two lamps in the case.
Wall version of Telephone No. 784.
Introduced in 1979 the Telephone No. 8786RR was fitted with a Timed Break Recall button (Register Recall).
The telephone is fitted with a Kit-CP100, which is a small circuit board and
whose use and circuit diagrams are covered in Specification
S1376.
Introduced around 1978.
Introduced in 1983, the Telephone No. 8785 was fitted with
a Bell No. 59D-1 (high
impedance bell coils 4000 ohms) and a Cord Connection No. 4/502 250mm.
Circuit diagram - N885
(Telephone No. 785)
and N8885 (Telephone No. 8785).
Specifications - S1289
(Telephone No. 785) and S1492 (Telephone
No. 8785).
Additional Information
| Model |
Mark |
Grey |
Introduced |
PBU No |
Remarks |
| Tele 785 |
Mk 1 |
y |
9/77 |
7E or F |
GEC |
| Tele 785 |
Mk 2 |
y |
6/78 |
54A |
STC |
| Tele 785 |
Mk 3 |
y |
9/80 |
56A/4 |
PLESSEY |
| Tele 785 |
Mk 4 |
y |
2/79 |
11A |
PYE/TMC |
| Tele 785 |
Mk 5 |
y |
9/81 |
56A/2 |
GEC |
| Tele 785 |
Mk 6 |
y |
2/81 |
56A/3 |
TMC |
| Tele 785 |
Mk 7 |
y |
9/81 |
56A/1 |
STC |
| Tele 785 |
Mk 8 |
y |
3/82 |
56A/5 |
BTF |
| Tele 785 |
Mk 9 |
y |
|
56B/4 |
PLESSEY |
| Tele 785 |
Mk 10 |
y |
8/82 |
56B/3 |
TMC |
| Tele 785 |
Mk 11 |
y |
3/82 |
56B/2 |
GEC |
| Tele 785RR |
Mk 1 |
y |
|
7E or F |
GEC |
| Tele 785RR |
Mk 2 |
y |
|
54A |
STC |
| Tele 785RR |
Mk 3 |
y |
|
56A/4 |
PLESSEY |
| Tele 785RR |
Mk 4 |
y |
|
11A |
PYE/TMC |
| Tele 785RR |
Mk 5 |
y |
|
56A/2 |
GEC |
| Tele 785RR |
Mk 6 |
y |
|
56A/3 |
TMC |
| Tele 785RR |
Mk 7 |
y |
|
56A/1 |
STC |
| Tele 785RR |
Mk 8 |
y |
|
56A/5 |
BTF |
| Tele 785RR |
Mk 9 |
y |
|
56B/4 |
PLESSEY |
| Tele 785RR |
Mk 10 |
y |
|
56B/3 |
TMC |
| Tele 785RR |
Mk 11 |
y |
|
56B/2 |
GEC |
|