Huawei OptiX PTN Series Quick Installation Manual page 27

7 Installing/Routing E1 Cables
CAUTION
When TPA1MQ1, TPA1MPA, TPA1EG16, TPA1EG24, TPA2EG24
(EG16, EG24 boards equipped with electrical modules) cannot be
installed in the slot 1, 16, 17, or 32 (edge slot).
Overhead Cabling
CAUTION
A black cable is used to connect the 75-ohm 21 x E1 cable to the
connector. Silkscreen on the gray cable is SYFVZP–MC 75-1-1*42.
A black cable is used to connect the 120-ohm 21 x E1 cable to the
connector. Silkscreen on the gray cable is SEYVP-120 42 x 2 x 0.4.
Underfloor Cabling
24
CAUTION
A TPA1MQ1 with E1 interfaces
supported must be installed in
slot 1, 16, 17, or 32. Ensure
that E1 cables are routed on
the side of the chassis, without
passing through the subrack
cable tray.
CAUTION
A TPA1MPA with E1
interfaces supported must be
installed in slot 1, 16, 17, or
32. An E1 cable must be
routed on the side of the
chassis, without passing
through the cable tray.
NOTE
Use a #0 Phillips screwdriver to
install E1 cables.
#0 Phillips
screwdriver
E1 cable
75-ohm 120-ohm