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Switching from the Headset to the Handset
If you are on a call on the headset and want to switch to the handset,
you can do so by lifting the handset. The call is now on the handset.
Press the Off button on the headset adapter in order to turn off the light
next to the On/Quiet button.
To switch from the handset back to the headset, press the On/Quiet
button and place the handset back in the telephone cradle.
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Appendix C
Auxiliary Power for the 8110 Telephone
If you are using an 8110 telephone, it is recommended that you install
auxiliary power (9V DC, 100 mA.) to improve the performance of the
speakerphone under the following conditions:
●
When loop length exceeds:
If you are using:
➤
19,000 feet (22 gauge)
Circuit Pack TN742
➤
12,000 feet (24 gauge)
Circuit Pack TN769
➤
7,500 feet (26 gauge)
or
●
When loop resistance exceeds 300 ohms
or
●
When loop current is less than 26 mA.
●
When loop length exceeds:
If you are using:
➤
12,000 feet (22 gauge)
Circuit Pack SN229
➤
8,000 feet (24 gauge)
➤
5,000 feet (26 gauge)
or
●
When loop resistance exceeds 200 ohms
or
●
When loop current is less than 26 mA.
Any installation When loop current is less than 26 mA.
Any installation
When another analog telephone is bridged
with the 8110 telephone
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