Paradyne COMSPHERE 3911 Installation And Operation Manual page 258

COMSPHERE 3900 Series Modems
Point-to-Point with Automatic Dial Backup
Figure G-3 shows a sample configuration for point-to-point applications with automatic dial
backup.
DTE
(Sync)
Cable 1
Figure G-3. Sample Configuration — Point-to-Point with Automatic Dial Backup
Configuration Options
3910 A
3910 B
Cables
Cable 1
Cable 2
Cable 3
G-4
Cable 3
19200(V32t)
TX
Leased
A
3910
Cable 2
Use Sync Leased (Answer) default configuration options with the following
exception:
Auto Dial Back
Use Sync Leased (Originate) default configuration options with the following
exception:
Auto Dial Back
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.
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.
Use part number 125-0067-0031 (a 6-position, 4-wire modular cord that is
supplied with the modem). Attach this to the connector labeled DIAL.
September 1998
Dial
Cable 3
19200(V32t)
TX
B
3910
Cable 2
Set to Enable.
Set to Enable.
DTE
(Sync)
Cable 1
3910-A2-GN32-40