AT&T Merlin II Feature Module 2 Data Communications Manual page 50

Modem Configuration Connected to a Basic Telephone Jack
The connectivity diagram in Figure 3-9 shows modem pool members
connected jacks on a 12-Basic Telephone (012) Module at the control unit.
to
This configuration doesn't require a BTMI.
FIGURE 3-9 Modem pool members connected to basic telephone jack.
Basic
telephone
module
Digital
station
module
1 A 2-pair modular cord connects the modem to a jack on a 12-Basic
Telephone (012) Module at the control unit. The maximum cable length is
1000 feet.
2 Standard RS-232-C connectors and cable connect the MTDM to the
modem. The maximum cable length is 17 feet.
3 A 4-pair modular cord connects the MTDM to a jack on an 8-Digital
Station (008D) Module at the control unit. The maximum cable length is
1000 feet.
If a number of MTDMs are to be connected at a common
NOTE:
location, you can put as many as eight in one multiple mounting
rather than installing each in a stand-alone mounting. A multiple
mounting reduces the number of ac power sockets needed to power
the MTDMs. See the documentation that came with your MTDM for
information on the multiple mounting connections.
1
1
3
Modem Pools 3-13