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COMSPHERE 3900 Series Modems
G-2 September 1998 3910-A2-GN32-40
Point-to-Point
Figure G-1 shows a sample configuration for point-to-point applications.
3910
A
Cable 1 Cable 1Cable 2Cable 2
Leased
19200(V32t) 19200(V32t)
TX TX
DTE
(Sync)
DTE
(Sync)
3910
B
Figure G-1. Sample Configuration — Point-to-Point
Configuration Options
3910 A Use Sync Leased (Answer) default configuration options.
3910 B Use Sync Leased (Originate) default configuration options.
Cables
Cable 1 Use a standard, customer-supplied, EIA-232-D/V.24 cable with a DB-25-P (plug)
connector at one end to attach to the modem. Attach this to the connector labeled
DTE1.
Cable 2 Use part number 125-0053-1431 (an 8-position, 8-wire modular cord that is
supplied with the modem). Attach this to the connector labeled LEASED.