Leased-Line Connection - Black Box 325 User Manual

MODEM 325 AND MODEM 325 CARD
The modem is compatible with exclusion key phone arrangements.
3.6.4 L -L C
EASED INE ONNECTION
Leased lines use either a 2-wire or 4-wire connection. The telephone company will install the leased line
and wall jack at your site. The line connects to the modem at the 8-position TELSET/LEASED LINE
jack.
The 42A block is most common for leased-line use. It requires the use of the 8-pin-modular-to-spade-
lug cable (included).
leased lines with dial backup.
Some Bell operating companies have discontinued the 42A block for leased-line
terminations. Instead, the modular jack JM8 is used. If this is the case in your area, you
need a special cable (EL08MS-0006). Contact technical support for further information.
2 6
illustrates the typical hook-up of the modem for operation over private
Figure 3-5
NOTE
NOTE