COMSPHERE 392xPlus Modems

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, 2, 3, or 4.

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.

Cable 3 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.)

Point-to-Point with Automatic Dial Backup

Figure G-4 shows a sample configuration for point-to-point applications with automatic dial backup.

DTE

9600

 

Dial

 

 

9600

DTE

(Sync)

 

Cable 4

 

Cable 4

 

 

(Sync)

DTE

9600

28800(V34)

 

28800(V34)

 

9600

DTE

(Sync)

 

 

 

 

(Sync)

 

TX

 

TX

 

 

DTE

4800

3920Plus A

Leased

3920Plus B

4800

DTE

 

 

(Sync)

 

 

 

 

 

 

(Sync)

DTE

4800

 

 

 

 

4800

DTE

 

Cable 2

Cable 2

 

 

 

(Sync)

(Sync)

 

 

Cable 1

 

 

Cable 1

 

 

 

Figure G-4. Sample Configuration Ð Point-to-Point with Automatic Dial Backup

G-8

November 1996

3920-A2-GN31-30

Page 257
Image 257
Paradyne 392xPLUS operation manual Point-to-Point with Automatic Dial Backup, Cables