Xerox Telecopier 7033 Service Manual page 245

1.5 Installation
1.5.1 Encryption Interface PWB
1. Remove encryption interface PWB kit from carton and verify
contents.
• encryption interface PWB
• option mother PWB
• ribbon harness (G3 PWB to encryption interface PWB)
• Y-cable
• bag of hardware
2. Set the encryption interface PWB jumpers (Figure 1) to the
required settings as shown in Table 1.
Table 1. Encryption Interface PWB Jumper Settings
Jumper Settings Encryptor
JP1 OFF GRETAG
JP2 OFF
JP1 ON DATOTEK Only pix data is sent to the
JP2 OFF
Factory default setting; J1 = OFF, J2 = OFF
3. Remove and modify the rear access cover.
a. Disconnect the telephone line and handset cords.
b. If installed, disconnect the RS-232 cable.
Telecopier 7032 / 7033 Service Manual
Description
All data (pix and protocol) is sent to
the encryptor, but only pix data is
encrypted. (ENCOL signal is
disabled)
DTR signal is not provided to the
encryptor.
encryptor to be incrypted. (ENCOL
signal is enabled)
DTR signal is not provided to the
encryptor.
www.printcopy.info
JP1 & JP2
Figure 1. Encryption Interface PWB Jumpers
c. Remove screw securing the access cover, then remove the
plastic and metal cover.
d. Remove the plastic knock-out on the access cover for the
harness connection.
4. If necessary, install the option mother PWB. Set the board on the
guide and slide it to the left to connect P1 to J230 on the main
PWB. Secure the upper right corner of the PWB to the electrical
box using the plated screws provided in the kit.
5. Move the modem PWB from the G3 PWB to the encryption
interface PWB and connect the ribbon harness (Figure 2).
a. Loosen the screw securing the G3 PWB, then slide the board
out of the electrical box.
b. RX only: Disconnect P/J3 on the coupler PWB, then compress
the standoffs to separate the G3 and coupler PWBs.
c. Remove the modem PWB from the G3 PWB and install it on the
encryption interface PWB.
d. Connect one end of the pre-formed ribbon harness to P/J32 on
the G3 PWB, and the other end to P/J281 on the encryption
interface PWB.
e. RX only: Reseat the coupler PWB on the G3 PWB and connect
P/J3.
f. Connect the G3 PWB to the main PWB, and tighten the
mounting screw.
6/92
8c-5
1.5, 1.5.1