Station Apparatus
Digital Add-on Module Installation
8-20 Strata CTX I&M 10/02
Note On the DKT3001, the Msg LED shows if the feature has been turned On/Off. There is no
visible indication on the other telephones. If the telephone ringer and busy tone buzzes or
doesn’t sound clear, check the country settings.
Digital Add-on Module Installation
The DADM provides 20 buttons that can be flexibly programmed for any telephone feature that is
provided by the Strata CTX system.
Install one or two DADM to a Toshiba digital
telephone (only) (shown below). The digital
telephone and the DADM must belong to the same
series, i.e., 3000- or 2000-series
• See the appropriate system Installation Chapter for
loop length and secondary protection
requirements.
• DADMs cannot be installed on telephones that
have BPCI, BVSU or DVSU installed.
➤ To install DADMs
See Figure 8-15 and follow these steps:
1. Loosen the four captive screws on the digital
telephone base and remove it.
2. Remove the base handset hanger.
3. Loosen two captive screws on DADM and remove bases.
4. Put the DADM supplied cable through the telephone and DADM bases.
5. Connect DADM cable connectors to P1 of DADM and P1 of DKT telephone.
6. Install base of DADM and telephone – tuck DADM cable into DADM and telephone base, as
necessary, for proper length.
7. Secure DADM to telephone base with DADM connecting plate (using four screws).
8. If required to achieve maximum distance, install two-pair house cable (or external power) and
two-pair modular cord, supplied with DADM. (See Chapter 7 – MDF PCB Wiring.)
9. If a second DADM should be installed, connect P1 of the second DADM to P2 of the first
DADM with the DADM connecting cable.
Table 8-7 Country Code Settings for Mu Law/A Law
Country FB1 FB2 FB3 FB4
USA, Canada (default is Mu Law) Off Off Off Off
Mexico Off Off Off On
Taiwan On Off Off Off
Hong Kong, Thailand Off On Off Off
Singapore, Malaysia, Indonesia, Sri Lanka, India, China On On Off On
5843
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