I2.4
T855/856/857 SII - SI Conversion
M850-00
31/09/98 Copyright TEL
Step Action
6
If you are modifying a T856, follow these steps (refer to Figure 2.2):
• remove R808 (10Ω)
• remove R160 (10Ω)
• place %R150 (10Ω).
Continue with Step 8.
If you are modifying a T857, follow these steps (refer to Figure 2.2):
• remove R808 (10Ω)
• remove R160 (10Ω)
• place %R150 (10Ω)
• remove L314; this will disable cyclic keying to enable the T857
to work with a Series I PA.
Continue with Step 7.
converts D-range 1 pin 7 from
serial com to audio 1
converts D-range 1 pin 7 from
serial com to audio 1
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