Connection In G.703 At Cn1 (D-Sub) Connector; Dc Power At Tb1 Connector; Led Indicators - Toshiba GR 200 Series Instruction Manual

treatment or by exceeding the minimum bend radius of the fiber cable.

Connection in G.703 at CN1 (D-sub) connector

The CN1 (D-sub 25 pin / DB-25) connector is used for connection with the MUX over
twist-pair cables, as shown in Figure 2.3-1 and Table 2.3-1.
GIF200
Transmit (Tx)
Receive (Rx)
Signal Timing (CLK)
(Required only in clauses
1.2.3 and 1.2.2 of G.703)
Figure 2.3-1 Signals between GIF200 and MUX
Table 2.3-1 Electrical connection with MUX
Circuits Signal names
Transmit (TX)
Timing (CLK)
Receive (RX)

DC power at TB1 connector

The TB1 connector is used for DC power supply. Note that terminal pin numbers 3 and 4 are
shorten for frame ground.
Table 2.4-1 CN1 connector on GIF200 unit
Signal name
P
G
FG

LED indicators

Eight (8) LEDs are provided to check communication status between the MUX and the
GRL200 IED, as shown in Figure 2.5-1. Table 2.5-1 details the color and functions associated
CN1/G703
D-sub
25
Ta
24
Tb
23
Ra
22
Rb
21
Sa
20
Sb
Signal type
Ta
Tb
Sa
ITU-T G.703
Sb
Ra
Rb
Signal type
DC rated voltage
24/48/110/ 220Vdc
Frame ground terminals
- 3 -
6F2S1916 (0.5)
MUX
Pin numbers
25
24
21
20
23
22
Pin numbers
1
2
3,4, and 5
GIF200