User guide

Service & maintenance
Technical Details
Do not use sprays or abrasive cleaners as these may damagethe
casing and interior components.
2. Where not to connect your CWB I 00
.To a shared service line (party line).
.To a I + I carrier system.
Siting
Avoid direct sunlight, extreme temperatures, high humidity
and places V'here your CWB I 00 could get wet
3. Your CWB I 00 has been approved for the use of the
following facilities:
.Simple telephone facilrtY
.Mu~i-Frequency (MF orTone) signalling
.Timed Break Recall
.Earth Recall
.Last number redial
.Dial(ing from stored memories
4.
The Ringer Equivalence Number (REN) of this apparatus
is I. If the RENs of all the units connected to your line
are added up, the total must not exceed 4 since that is
the norrnallimft of most exchange lines.
8
-ielpline 0208 787 3111
Helpful
information
To clean
Occasionally wipe over the machine with a clean. slightly
damp cloth.
I. Where to connect your CWB I 00
.Direct Exchange Unes providing Multi-frequency (MF)
signalling and Timed Break Recall facilities.
.Extensions via new style sockets provided for DELs.
.Compatible switchboards which utilise MF signalling and
Timed Break Recall or Earth Recall.