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1.3.4 - Connecting on the ADR ERE card
ADR ERE
STATUS
LED
Green
Red
ON
OFF
ON
ON
OFF
OFF
OFF
ON
Flashing
Each ADR ERE module provides connection for:
!
an STM1 electrical interface ("TR" transmission port and "REC" reception port)
!
two order wire channels at 64 kbit/s (named "EOW" and "AUX"), which, by default, are
conveyed in E1 and F1 bytes of the SOH, respectively ; others SOH bytes can be selected for
carrying EOW orderwire. See details on table 2-6.
"TR" and "REC" ports:
Bit rate
Standard
Encoding
Electrical level
Transmit optical power
Input Attenuation
Input adaptation
Attenuation
Connector
"EOW" and "AUX" Interface:
See § 1.3.3.2 and 1.3.3.3.
No reproduction or communication without the written consent of SAGEM SA
EOW
STATUS
Card in service
Card in alarm
Hardware default (fuse)
Card out of service
Autotest default
Figure 1-5- Connecting ADR ERE card inputs
155.520 Mbit/s ± 20 ppm,
ITU-T G.703 § 12,
CMI
1V ±0,1V c to c
-5 to 0 dBm
12,7 dB in √f at 78MHz
≥15 dB between 8MHz and 240MHz
BNC 75 ohms
1.6/5.6 75 ohms (with BNC - 1.6/5.6 adapter)
1 - INSTALLATION AND COMMISSIONING
AUX
8
15
1 : NC
2 : TA
3 : TOF PA
4 : RA
5 : ROF PA
6 : R64 A
7 : T64 A
8 : GND
Installation and User Guide - N56717020104
STM1 transmission port
STM1 reception port
TR
REC
"EOW and "AUX"
1
9
9 : TB
10 : TOF PB
11 : RB
12 : ROF PB
13 : R64 B
14 : T64 B
15 : NC
NC: Reserved
Page A1-17
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