Patton electronic ONSITE 2800 - Manual (Page 32)

Installing the VPN router 32
OnSite 2800 Series User Manual 2 • Hardware installation
• E1 (Dual coaxial connectos)—Model 2803, see section “Installing the E1 dual coaxial cables” on page 35
for details on installing the coaxial cables
Installing the V.35 interface cable. The OnSite Model 2835 comes with a V.35 interface presented on a DB-
25 female connector (see
figure 2 ).
Figure 2. Rear view of the router showing location of V.35 interface connector
The signal pin-outs for the Model 2835 V.35 interface are shown in table 6 .
Table 6. Signal pin-outs for the V.35 interface on the OnSite 2800
Pin Signal Pin Signal
1 Frame Ground 12 TXCb
2 TXDa 14 TXDb
3 RXDa 15 RXCa
4 RTS 16 RXDb
5 CTS 17 RXCa
6 DSR 18 LL
7 Signal Ground 20 DTR
8 DCD 21 RL
9 RXCb 24 EXTCa
11 EXTCb
V.35 serial port connector