Paradyne Comsphere 3920Plus Installation And Operation Manual page 252

COMSPHERE 392xPlus Modems
Cables
Cable 1
Cable 2
Cable 3
Point-to-Point with Automatic Dial Backup
Figure G-4 shows a sample configuration for point-to-point applications with automatic dial
backup.
9600
DTE
(Sync)
9600
DTE
(Sync)
4800
DTE
(Sync)
4800
DTE
(Sync)
Figure G-4. Sample Configuration — Point-to-Point with Automatic Dial Backup
G-8
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, 2, 3, or 4.
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 818-2759-0111 or an equivalent customer-supplied,
EIA-232-D/V.24 crossover cable with DB-25-P (plug) connectors on both ends to
attach to the modems. (See Appendix C for pin assignments.)
Cable 4
28800(V34)
TX
Leased
A
3920 Plus
Cable 2
Cable 1
April 1995
Dial
Cable 4
28800(V34)
TX
B
3920 Plus
Cable 2
Cable 1
9600 DTE
(Sync)
9600 DTE
(Sync)
4800
DTE
(Sync)
4800
DTE
(Sync)
3920-A2-GN31-10